id stringlengths 9 16 | title stringlengths 4 278 | categories listlengths 1 13 | abstract stringlengths 3 4.08k | filtered_category_membership dict |
|---|---|---|---|---|
1012.4404 | Multicolored Dynamos on Toroidal Meshes | [
"cs.DC",
"cs.CC",
"cs.DS",
"cs.SI"
] | Detecting on a graph the presence of the minimum number of nodes (target set) that will be able to "activate" a prescribed number of vertices in the graph is called the target set selection problem (TSS) proposed by Kempe, Kleinberg, and Tardos. In TSS's settings, nodes have two possible states (active or non-active) a... | {
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1012.4485 | An Experimental Approach for Optimising Mobile Agent Migrations | [
"cs.NI",
"cs.MA"
] | The field of mobile agent (MA) technology has been intensively researched during the past few years, resulting in the phenomenal proliferation of available MA platforms, all sharing several common design characteristics. Research projects have mainly focused on identifying applications where the employment of MAs is pr... | {
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1012.4519 | Belief-propagation-based joint channel estimation and decoding for
spectrally efficient communication over unknown sparse channels | [
"cs.IT",
"math.IT"
] | We consider spectrally-efficient communication over a Rayleigh N-block-fading channel with a K- sparse L-length discrete-time impulse response (for 0<K<L<N), where neither the transmitter nor receiver know the channel's coefficients nor its support. Since the high-SNR ergodic capacity of this channel has been shown to ... | {
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1012.4521 | Characterizing Structure Through Shape Matching and Applications to Self
Assembly | [
"cond-mat.soft",
"cs.CV"
] | Structural quantities such as order parameters and correlation functions are often employed to gain insight into the physical behavior and properties of condensed matter systems. While standard quantities for characterizing structure exist, often they are insufficient for treating problems in the emerging field of nano... | {
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1012.4524 | The interplay of microscopic and mesoscopic structure in complex
networks | [
"cond-mat.stat-mech",
"cs.SI",
"physics.soc-ph",
"q-bio.MN"
] | Not all nodes in a network are created equal. Differences and similarities exist at both individual node and group levels. Disentangling single node from group properties is crucial for network modeling and structural inference. Based on unbiased generative probabilistic exponential random graph models and employing di... | {
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1012.4527 | Harmonic Order Parameters for Characterizing Complex Particle
Morphologies | [
"cond-mat.soft",
"cs.CV",
"physics.chem-ph"
] | Order parameters based on spherical harmonics and Fourier coefficients already play a significant role in condensed matter research in the context of systems of spherical or point particles. Here, we extend these types of order parameter to more complex shapes, such as those encountered in nanoscale self-assembly appli... | {
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1012.4542 | Impact of Mistiming on the Achievable Information Rate of Rake Receivers
in DS-UWB Systems | [
"cs.IT",
"math.IT"
] | In this paper, we investigate the impact of mistiming on the performance of Rake receivers in direct-sequence ultra-wideband (DS-UWB) systems from the perspective of the achievable information rate. A generalized expression for the performance degradation due to mistiming is derived. Monte Carlo simulations based on th... | {
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1012.4552 | On the Throughput Cost of Physical Layer Security in Decentralized
Wireless Networks | [
"cs.IT",
"math.IT"
] | This paper studies the throughput of large-scale decentralized wireless networks with physical layer security constraints. In particular, we are interested in the question of how much throughput needs to be sacrificed for achieving a certain level of security. We consider random networks where the legitimate nodes and ... | {
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1012.4571 | How I won the "Chess Ratings - Elo vs the Rest of the World" Competition | [
"cs.LG"
] | This article discusses in detail the rating system that won the kaggle competition "Chess Ratings: Elo vs the rest of the world". The competition provided a historical dataset of outcomes for chess games, and aimed to discover whether novel approaches can predict the outcomes of future games, more accurately than the w... | {
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1012.4583 | Constructing Quantum Network Coding Schemes from Classical Nonlinear
Protocols | [
"quant-ph",
"cs.IT",
"math.IT"
] | The k-pair problem in network coding theory asks to send k messages simultaneously between k source-target pairs over a directed acyclic graph. In a previous paper [ICALP 2009, Part I, pages 622--633] the present authors showed that if a classical k-pair problem is solvable by means of a linear coding scheme, then the ... | {
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1012.4621 | Self-organized Emergence of Navigability on Small-World Networks | [
"cs.SI",
"physics.soc-ph"
] | This paper mainly investigates why small-world networks are navigable and how to navigate small-world networks. We find that the navigability can naturally emerge from self-organization in the absence of prior knowledge about underlying reference frames of networks. Through a process of information exchange and accumul... | {
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1012.4623 | Fitness-driven deactivation in network evolution | [
"physics.soc-ph",
"cond-mat.dis-nn",
"cs.SI"
] | Individual nodes in evolving real-world networks typically experience growth and decay --- that is, the popularity and influence of individuals peaks and then fades. In this paper, we study this phenomenon via an intrinsic nodal fitness function and an intuitive aging mechanism. Each node of the network is endowed with... | {
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1012.4668 | Distributed Detection over Random Networks: Large Deviations Performance
Analysis | [
"cs.IT",
"math.IT"
] | We study the large deviations performance, i.e., the exponential decay rate of the error probability, of distributed detection algorithms over random networks. At each time step $k$ each sensor: 1) averages its decision variable with the neighbors' decision variables; and 2) accounts on-the-fly for its new observation.... | {
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1012.4715 | Joint Unitary Triangularization for MIMO Networks | [
"cs.IT",
"math.IT"
] | This work considers communication networks where individual links can be described as MIMO channels. Unlike orthogonal modulation methods (such as the singular-value decomposition), we allow interference between sub-channels, which can be removed by the receivers via successive cancellation. The degrees of freedom earn... | {
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1012.4752 | Semantic Web: Who is who in the field - A bibliometric analysis | [
"cs.DL",
"cs.IR"
] | The Semantic Web is one of the main efforts aiming to enhance human and machine interaction by representing data in an understandable way for machines to mediate data and services. It is a fast-moving and multidisciplinary field. This study conducts a thorough bibliometric analysis of the field by collecting data from ... | {
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1012.4755 | Mutual information, matroids and extremal dependencies | [
"cs.IT",
"math.IT"
] | In this paper, it is shown that the rank function of a matroid can be represented by a "mutual information function" if and only if the matroid is binary. The mutual information function considered is the one measuring the amount of information between the inputs (binary uniform) and the output of a multiple access cha... | {
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1012.4759 | Chem2Bio2RDF: A Linked Open Data Portal for Chemical Biology | [
"cs.IR",
"q-bio.OT"
] | The Chem2Bio2RDF portal is a Linked Open Data (LOD) portal for systems chemical biology aiming for facilitating drug discovery. It converts around 25 different datasets on genes, compounds, drugs, pathways, side effects, diseases, and MEDLINE/PubMed documents into RDF triples and links them to other LOD bubbles, such a... | {
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1012.4776 | Automatic Estimation of the Exposure to Lateral Collision in Signalized
Intersections using Video Sensors | [
"cs.AI"
] | Intersections constitute one of the most dangerous elements in road systems. Traffic signals remain the most common way to control traffic at high-volume intersections and offer many opportunities to apply intelligent transportation systems to make traffic more efficient and safe. This paper describes an automated meth... | {
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1012.4795 | On the Equivalence of the General Covariance Union (GCU) and Minimum
Enclosing Ellipsoid (MEE) Problems | [
"math.OC",
"cs.SY"
] | In this paper we describe General Covariance Union (GCU) and show that solutions to GCU and the Minimum Enclosing Ellipsoid (MEE) problems are equivalent. This is a surprising result because GCU is defined over positive semidefinite (PSD) matrices with statistical interpretations while MEE involves PSD matrices with ge... | {
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1012.4814 | Noisy channel coding via privacy amplification and information
reconciliation | [
"quant-ph",
"cs.IT",
"math.IT"
] | We show that optimal protocols for noisy channel coding of public or private information over either classical or quantum channels can be directly constructed from two more primitive information-theoretic tools: privacy amplification and information reconciliation, also known as data compression with side information. ... | {
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1012.4824 | Input Parameters Optimization in Swarm DS-CDMA Multiuser Detectors | [
"cs.AI",
"math.CO",
"stat.CO"
] | In this paper, the uplink direct sequence code division multiple access (DS-CDMA) multiuser detection problem (MuD) is studied into heuristic perspective, named particle swarm optimization (PSO). Regarding different system improvements for future technologies, such as high-order modulation and diversity exploitation, a... | {
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1012.4845 | Directed factor graph based fault diagnosis model construction for mode
switching satellite power system | [
"cs.SY"
] | Satellite power system is a complex, highly interconnected hybrid system that exhibit nonlinear and mode switching behaviors. Directed factor graph is an inference model for fault diagnosis using probabilistic reasoning techniques. A novel approach for constructing the directed factor graph structure based on hybrid bo... | {
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1012.4855 | Target-driven merging of Taxonomies | [
"cs.DB"
] | The proliferation of ontologies and taxonomies in many domains increasingly demands the integration of multiple such ontologies. The goal of ontology integration is to merge two or more given ontologies in order to provide a unified view on the input ontologies while maintaining all information coming from them. We pro... | {
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1012.4875 | Upper Tag Ontology (UTO) For Integrating Social Tagging Data | [
"cs.IR",
"cs.SI"
] | Data integration and mediation have become central concerns of information technology over the past few decades. With the advent of the Web and the rapid increases in the amount of data and the number of Web documents and users, researchers have focused on enhancing the interoperability of data through the development ... | {
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1012.4889 | Tight Bounds for Lp Samplers, Finding Duplicates in Streams, and Related
Problems | [
"cs.DS",
"cs.CC",
"cs.DB"
] | In this paper, we present near-optimal space bounds for Lp-samplers. Given a stream of updates (additions and subtraction) to the coordinates of an underlying vector x \in R^n, a perfect Lp sampler outputs the i-th coordinate with probability |x_i|^p/||x||_p^p. In SODA 2010, Monemizadeh and Woodruff showed polylog spac... | {
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1012.4905 | Convolutional Goppa codes defined on fibrations | [
"cs.IT",
"math.IT"
] | We define a new class of Convolutional Codes in terms of fibrations of algebraic varieties generalizaing our previous constructions of Convolutional Goppa Codes. Using this general construction we can give several examples of Maximum Distance Separable (MDS) Convolutional Codes. | {
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1012.4924 | Information-Theoretic Capacity and Error Exponents of Stationary Point
Processes under Random Additive Displacements | [
"cs.IT",
"math.IT",
"math.PR"
] | This paper studies the Shannon regime for the random displacement of stationary point processes. Let each point of some initial stationary point process in $\R^n$ give rise to one daughter point, the location of which is obtained by adding a random vector to the coordinates of the mother point, with all displacement ve... | {
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1012.4928 | Calibration Using Matrix Completion with Application to Ultrasound
Tomography | [
"cs.LG",
"cs.IT",
"math.IT"
] | We study the calibration process in circular ultrasound tomography devices where the sensor positions deviate from the circumference of a perfect circle. This problem arises in a variety of applications in signal processing ranging from breast imaging to sensor network localization. We introduce a novel method of calib... | {
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1012.4981 | Local Minima of a Quadratic Binary Functional with a Quasi-Hebbian
Connection Matrix | [
"cond-mat.dis-nn",
"cs.NE"
] | The local minima of a quadratic functional depending on binary variables are discussed. An arbitrary connection matrix can be presented in the form of quasi-Hebbian expansion where each pattern is supplied with its own individual weight. For such matrices statistical physics methods allow one to derive an equation desc... | {
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1012.5041 | Jensen divergence based on Fisher's information | [
"cs.IT",
"math.IT",
"physics.data-an"
] | The measure of Jensen-Fisher divergence between probability distributions is introduced and its theoretical grounds set up. This quantity, in contrast to the remaining Jensen divergences, is very sensitive to the fluctuations of the probability distributions because it is controlled by the (local) Fisher information, w... | {
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1012.5071 | Extension of the Blahut-Arimoto algorithm for maximizing directed
information | [
"cs.IT",
"math.IT"
] | We extend the Blahut-Arimoto algorithm for maximizing Massey's directed information. The algorithm can be used for estimating the capacity of channels with delayed feedback, where the feedback is a deterministic function of the output. In order to do so, we apply the ideas from the regular Blahut-Arimoto algorithm, i.e... | {
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1012.5074 | Power-Rate Allocation in DS/CDMA Based on Discretized Verhulst
Equilibrium | [
"cs.CE"
] | This paper proposes to extend the discrete Verhulst power equilibrium approach, previously suggested in [1], to the power-rate optimal allocation problem. Multirate users associated to different types of traffic are aggregated to distinct user' classes, with the assurance of minimum rate allocation per user and QoS. He... | {
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1012.5113 | Timed Game Abstraction of Control Systems | [
"cs.SY"
] | This paper proposes a method for abstracting control systems by timed game automata, and is aimed at obtaining automatic controller synthesis. The proposed abstraction is based on partitioning the state space of a control system using positive and negative invariant sets, generated by Lyapunov functions. This partiti... | {
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1012.5174 | SNEED: Enhancing Network Security Services Using Network Coding and
Joint Capacity | [
"cs.NI",
"cs.CR",
"cs.IT",
"math.IT"
] | Traditional network security protocols depend mainly on developing cryptographic schemes and on using biometric methods. These have led to several network security protocols that are unbreakable based on difficulty of solving untractable mathematical problems such as factoring large integers. In this paper, Security ... | {
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1012.5197 | Accessible Capacity of Secondary Users | [
"cs.IT",
"math.IT"
] | A new problem formulation is presented for the Gaussian interference channels (GIFC) with two pairs of users, which are distinguished as primary users and secondary users, respectively. The primary users employ a pair of encoder and decoder that were originally designed to satisfy a given error performance requirement ... | {
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1012.5208 | Texture feature extraction in the spatial-frequency domain for
content-based image retrieval | [
"cs.CV",
"cs.IR",
"cs.MM"
] | The advent of large scale multimedia databases has led to great challenges in content-based image retrieval (CBIR). Even though CBIR is considered an emerging field of research, however it constitutes a strong background for new methodologies and systems implementations. Therefore, many research contributions are focus... | {
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1012.5224 | Max-Flow Min-Cut Theorems for Multi-User Communication Networks | [
"cs.IT",
"cs.LO",
"math.CO",
"math.IT"
] | The paper presents four distinct new ideas and results for communication networks: 1) We show that relay-networks (i.e. communication networks where different nodes use the same coding functions) can be used to model dynamic networks. 2) We introduce {\em the term model}, which is a simple, graph-free symbolic appr... | {
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1012.5240 | Exploring Grid Polygons Online | [
"cs.CG",
"cs.RO"
] | We investigate the exploration problem of a short-sighted mobile robot moving in an unknown cellular room. To explore a cell, the robot must enter it. Once inside, the robot knows which of the 4 adjacent cells exist and which are boundary edges. The robot starts from a specified cell adjacent to the room's outer wall; ... | {
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1012.5248 | Matrix Insertion-Deletion Systems | [
"cs.FL",
"cs.CC",
"cs.CL",
"cs.DM"
] | In this article, we consider for the first time the operations of insertion and deletion working in a matrix controlled manner. We show that, similarly as in the case of context-free productions, the computational power is strictly increased when using a matrix control: computational completeness can be obtained by sys... | {
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1012.5253 | Exploring Simple Triangular and Hexagonal Grid Polygons Online | [
"cs.CG",
"cs.RO"
] | We investigate the online exploration problem (aka covering) of a short-sighted mobile robot moving in an unknown cellular environment with hexagons and triangles as types of cells. To explore a cell, the robot must enter it. Once inside, the robot knows which of the 3 or 6 adjacent cells exist and which are boundary e... | {
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1012.5306 | An optimization strategy on prion AGAAAAGA amyloid fibril molecular
modeling | [
"cs.CE",
"physics.bio-ph",
"q-bio.BM",
"q-bio.QM"
] | X-ray crystallography and nuclear magnetic resonance (NMR) spectroscopy are two powerful tools to determine the protein 3D structure. However, not all proteins can be successfully crystallized, particularly for membrane proteins. Although NMR spectroscopy is indeed very powerful in determining the 3D structures of memb... | {
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1012.5318 | Condensation into ground state in binary string models | [
"cs.IT",
"math.IT"
] | The ensemble of binary strings defined via strong-interaction model exhibits enhanced condensation (collapse) into ground state below certain temperature. The non-interaction model shows gradual accumulation into ground state as temperature approaches zero | {
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1012.5327 | Computationally Efficient Modulation Level Classification Based on
Probability Distribution Distance Functions | [
"cs.IT",
"cs.PF",
"math.IT",
"stat.ML"
] | We present a novel modulation level classification (MLC) method based on probability distribution distance functions. The proposed method uses modified Kuiper and Kolmogorov-Smirnov distances to achieve low computational complexity and outperforms the state of the art methods based on cumulants and goodness-of-fit test... | {
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1012.5339 | Efficient Generation of Random Bits from Finite State Markov Chains | [
"cs.IT",
"math.IT"
] | The problem of random number generation from an uncorrelated random source (of unknown probability distribution) dates back to von Neumann's 1951 work. Elias (1972) generalized von Neumann's scheme and showed how to achieve optimal efficiency in unbiased random bits generation. Hence, a natural question is what if the ... | {
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1012.5340 | Relations between $\beta$ and $\delta$ for QP and LP in Compressed
Sensing Computations | [
"cs.IT",
"math.IT"
] | In many compressed sensing applications, linear programming (LP) has been used to reconstruct a sparse signal. When observation is noisy, the LP formulation is extended to allow an inequality constraint and the solution is dependent on a parameter $\delta$, related to the observation noise level. Recently, some researc... | {
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1012.5357 | Quasirandom Rumor Spreading: An Experimental Analysis | [
"cs.DS",
"cs.SI"
] | We empirically analyze two versions of the well-known "randomized rumor spreading" protocol to disseminate a piece of information in networks. In the classical model, in each round each informed node informs a random neighbor. In the recently proposed quasirandom variant, each node has a (cyclic) list of its neighbors.... | {
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1012.5430 | Trajectory Codes for Flash Memory | [
"cs.IT",
"math.IT"
] | Flash memory is well-known for its inherent asymmetry: the flash-cell charge levels are easy to increase but are hard to decrease. In a general rewriting model, the stored data changes its value with certain patterns. The patterns of data updates are determined by the data structure and the application, and are indepen... | {
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1012.5454 | Compressed Sensing for Feedback Reduction in MIMO Broadcast Channels | [
"cs.IT",
"math.IT"
] | We propose a generalized feedback model and compressive sensing based opportunistic feedback schemes for feedback resource reduction in MIMO Broadcast Channels under the assumption that both uplink and downlink channels undergo block Rayleigh fading. Feedback resources are shared and are opportunistically accessed by u... | {
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1012.5464 | Classification of self-dual codes of length 36 | [
"math.CO",
"cs.IT",
"math.IT"
] | A complete classification of binary self-dual codes of length 36 is given. | {
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1012.5498 | Checkable Codes from Group Rings | [
"cs.IT",
"math.AC",
"math.IT"
] | We study codes with a single check element derived from group rings, namely, checkable codes. The notion of a code-checkable group ring is introduced. Necessary and sufficient conditions for a group ring to be code-checkable are given in the case where the group is a finite abelian group and the ring is a finite field.... | {
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1012.5499 | Integrating neighborhoods in the evaluation of fitness promotes
cooperation in the spatial prisoner's dilemma game | [
"physics.soc-ph",
"cs.SI"
] | A fundamental question of human society is the evolution of cooperation. Many previous studies explored this question via setting spatial background, where players obtain their payoffs by playing game with their nearest neighbors. Another undoubted fact is that environment plays an important role in the individual deve... | {
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1012.5506 | Ontology-based Queries over Cancer Data | [
"cs.AI",
"cs.DB",
"cs.IR"
] | The ever-increasing amount of data in biomedical research, and in cancer research in particular, needs to be managed to support efficient data access, exchange and integration. Existing software infrastructures, such caGrid, support access to distributed information annotated with a domain ontology. However, caGrid's c... | {
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1012.5546 | Mining Multi-Level Frequent Itemsets under Constraints | [
"cs.DB",
"cs.AI",
"cs.DS"
] | Mining association rules is a task of data mining, which extracts knowledge in the form of significant implication relation of useful items (objects) from a database. Mining multilevel association rules uses concept hierarchies, also called taxonomies and defined as relations of type 'is-a' between objects, to extract ... | {
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1012.5553 | Cyclic-Coded Integer-Forcing Equalization | [
"cs.IT",
"math.IT"
] | A discrete-time intersymbol interference channel with additive Gaussian noise is considered, where only the receiver has knowledge of the channel impulse response. An approach for combining decision-feedback equalization with channel coding is proposed, where decoding precedes the removal of intersymbol interference. T... | {
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1012.5585 | Symmetry Breaking with Polynomial Delay | [
"cs.AI"
] | A conservative class of constraint satisfaction problems CSPs is a class for which membership is preserved under arbitrary domain reductions. Many well-known tractable classes of CSPs are conservative. It is well known that lexleader constraints may significantly reduce the number of solutions by excluding symmetric so... | {
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1012.5594 | The Ethics of Robotics | [
"cs.AI",
"cs.RO"
] | The three laws of Robotics first appeared together in Isaac Asimov's story 'Runaround' after being mentioned in some form or the other in previous works by Asimov. These three laws commonly known as the three laws of robotics are the earliest forms of depiction for the needs of ethics in Robotics. In simplistic languag... | {
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1012.5625 | Free and Open-Source Software is not an Emerging Property but Rather the
Result of Studied Design | [
"cs.CY",
"cs.SI"
] | Free and open source software (FOSS) is considered by many, along with Wikipedia, the proof of an ongoing paradigm shift from hierarchically-managed and market-driven production of knowledge to heterarchical, collaborative and commons-based production styles. In such perspective, it has become common place to refer to ... | {
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1012.5693 | On the Asymptotic Connectivity of Random Networks under the Random
Connection Model | [
"cs.NI",
"cs.IT",
"math.IT"
] | Consider a network where all nodes are distributed on a unit square following a Poisson distribution with known density $\rho$ and a pair of nodes separated by an Euclidean distance $x$ are directly connected with probability $g(\frac{x}{r_{\rho}})$, where $g:[0,\infty)\rightarrow[0,1]$ satisfies three conditions: rota... | {
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1012.5696 | Fast and Tiny Structural Self-Indexes for XML | [
"cs.DB"
] | XML document markup is highly repetitive and therefore well compressible using dictionary-based methods such as DAGs or grammars. In the context of selectivity estimation, grammar-compressed trees were used before as synopsis for structural XPath queries. Here a fully-fledged index over such grammars is presented. The ... | {
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1012.5705 | Looking for plausibility | [
"cs.AI"
] | In the interpretation of experimental data, one is actually looking for plausible explanations. We look for a measure of plausibility, with which we can compare different possible explanations, and which can be combined when there are different sets of data. This is contrasted to the conventional measure for probabilit... | {
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1012.5723 | Towards a Better Understanding of Large Scale Network Models | [
"cs.NI",
"cs.IT",
"math.IT"
] | Connectivity and capacity are two fundamental properties of wireless multi-hop networks. The scalability of these properties has been a primary concern for which asymptotic analysis is a useful tool. Three related but logically distinct network models are often considered in asymptotic analyses, viz. the dense network ... | {
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1012.5752 | Increasing risk behavior can outweigh the benefits of anti-retroviral
drug treatment on the HIV incidence among men-having-sex-with-men in
Amsterdam | [
"cs.SI",
"physics.med-ph",
"q-bio.PE"
] | The transmission through contacts among MSM (men who have sex with men) is one of the dominating contributors to HIV prevalence in industrialized countries. In Amsterdam, the capital of the Netherlands, the MSM risk group has been traced for decades. This has motivated studies which provide detailed information about M... | {
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1012.5754 | Software Effort Estimation with Ridge Regression and Evolutionary
Attribute Selection | [
"cs.SE",
"cs.AI",
"cs.LG"
] | Software cost estimation is one of the prerequisite managerial activities carried out at the software development initiation stages and also repeated throughout the whole software life-cycle so that amendments to the total cost are made. In software cost estimation typically, a selection of project attributes is employ... | {
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1012.5755 | DD-EbA: An algorithm for determining the number of neighbors in cost
estimation by analogy using distance distributions | [
"cs.SE",
"cs.AI"
] | Case Based Reasoning and particularly Estimation by Analogy, has been used in a number of problem-solving areas, such as cost estimation. Conventional methods, despite the lack of a sound criterion for choosing nearest projects, were based on estimation using a fixed and predetermined number of neighbors from the entir... | {
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1012.5774 | Towards the Capacity Region of Multiplicative Linear Operator Broadcast
Channels | [
"cs.IT",
"math.AG",
"math.IT"
] | Recent research indicates that packet transmission employing random linear network coding can be regarded as transmitting subspaces over a linear operator channel (LOC). In this paper we propose the framework of linear operator broadcast channels (LOBCs) to model packet broadcasting over LOCs, and we do initial work on... | {
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1012.5813 | Neural Network Influence in Group Technology: A Chronological Survey and
Critical Analysis | [
"cs.AI",
"nlin.AO"
] | This article portrays a chronological review of the influence of Artificial Neural Network in group technology applications in the vicinity of Cellular Manufacturing Systems. The research trend is identified and the evolvement is captured through a critical analysis of the literature accessible from the very beginning ... | {
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1012.5815 | SAPFOCS: a metaheuristic based approach to part family formation
problems in group technology | [
"cs.AI"
] | This article deals with Part family formation problem which is believed to be moderately complicated to be solved in polynomial time in the vicinity of Group Technology (GT). In the past literature researchers investigated that the part family formation techniques are principally based on production flow analysis (PFA)... | {
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1012.5846 | Improvement of the Han-Kobayashi Rate Region for General Interference
Channel-v2 | [
"cs.IT",
"math.IT"
] | Allowing the input auxiliary random variables to be correlated and using the binning scheme, the Han-Kobayashi (HK) rate region for general interference channel is partially improved. The obtained partially new achievable rate region (i) is compared to the HK region and its simplified description, i.e., Chong-Motani-Ga... | {
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1012.5847 | On Elementary Loops of Logic Programs | [
"cs.AI"
] | Using the notion of an elementary loop, Gebser and Schaub refined the theorem on loop formulas due to Lin and Zhao by considering loop formulas of elementary loops only. In this article, we reformulate their definition of an elementary loop, extend it to disjunctive programs, and study several properties of elementary ... | {
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1012.5883 | On sub-ideal causal smoothing filters | [
"math.OC",
"cs.SY",
"math.CA",
"math.SP"
] | Smoothing causal linear time-invariant filters are studied for continuous time processes. The paper suggests a family of causal filters with almost exponential damping of the energy on the higher frequencies. These filters are sub-ideal meaning that a faster decay of the frequency response would lead to the loss of cau... | {
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1012.5913 | All liaisons are dangerous when all your friends are known to us | [
"cs.SI",
"cs.CY",
"cs.DM"
] | Online Social Networks (OSNs) are used by millions of users worldwide. Academically speaking, there is little doubt about the usefulness of demographic studies conducted on OSNs and, hence, methods to label unknown users from small labeled samples are very useful. However, from the general public point of view, this ca... | {
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1012.5933 | Affine-invariant diffusion geometry for the analysis of deformable 3D
shapes | [
"cs.CV"
] | We introduce an (equi-)affine invariant diffusion geometry by which surfaces that go through squeeze and shear transformations can still be properly analyzed. The definition of an affine invariant metric enables us to construct an invariant Laplacian from which local and global geometric structures are extracted. Appli... | {
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1012.5936 | Affine-invariant geodesic geometry of deformable 3D shapes | [
"cs.CV"
] | Natural objects can be subject to various transformations yet still preserve properties that we refer to as invariants. Here, we use definitions of affine invariant arclength for surfaces in R^3 in order to extend the set of existing non-rigid shape analysis tools. In fact, we show that by re-defining the surface metri... | {
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1012.5947 | Orthogonal symmetric Toeplitz matrices for compressed sensing:
Statistical isometry property | [
"cs.IT",
"math.IT"
] | Recently, the statistical restricted isometry property (RIP) has been formulated to analyze the performance of deterministic sampling matrices for compressed sensing. In this paper, we propose the usage of orthogonal symmetric Toeplitz matrices (OSTM) for compressed sensing and study their statistical RIP by taking adv... | {
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1012.5956 | A New Noncoherent Decoder for Wireless Network Coding | [
"cs.IT",
"math.IT"
] | This work deals with the decoding aspect of wireless network coding in the canonical two-way relay channel where two senders exchange messages via a common relay and they receive the mixture of two messages. One of the recent works on wireless network coding was well explained by Katti \textit{et al.} in SIGCOMM'07. In... | {
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1012.5960 | Extending Binary Qualitative Direction Calculi with a Granular Distance
Concept: Hidden Feature Attachment | [
"cs.AI"
] | In this paper we introduce a method for extending binary qualitative direction calculi with adjustable granularity like OPRAm or the star calculus with a granular distance concept. This method is similar to the concept of extending points with an internal reference direction to get oriented points which are the basic e... | {
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1012.5961 | Vulnerability of Networks Against Critical Link Failures | [
"physics.soc-ph",
"cond-mat.other",
"cs.SI"
] | Networks are known to be prone to link failures. In this paper we set out to investigate how networks of varying connectivity patterns respond to different link failure schemes in terms of connectivity, clustering coefficient and shortest path lengths. We then propose a measure, which we call the vulnerability of a net... | {
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1012.5962 | Annotated English | [
"cs.CL"
] | This document presents Annotated English, a system of diacritical symbols which turns English pronunciation into a precise and unambiguous process. The annotations are defined and located in such a way that the original English text is not altered (not even a letter), thus allowing for a consistent reading and learning... | {
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1012.5994 | Toward Emerging Topic Detection for Business Intelligence: Predictive
Analysis of `Meme' Dynamics | [
"cs.SI"
] | Detecting and characterizing emerging topics of discussion and consumer trends through analysis of Internet data is of great interest to businesses. This paper considers the problem of monitoring the Web to spot emerging memes - distinctive phrases which act as "tracers" for topics - as a means of early detection of ne... | {
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1012.5997 | Protection Over Asymmetric Channels, S-MATE: Secure Multipath Adaptive
Traffic Engineering | [
"cs.IT",
"cs.CR",
"cs.NI",
"math.IT"
] | Several approaches have been proposed to the problem of provisioning traffic engineering between core network nodes in Internet Service Provider (ISP) networks. Such approaches aim to minimize network delay, increase capacity, and enhance security services between two core (relay) network nodes, an ingress node and an ... | {
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1012.6009 | Cluster Evaluation of Density Based Subspace Clustering | [
"cs.DB"
] | Clustering real world data often faced with curse of dimensionality, where real world data often consist of many dimensions. Multidimensional data clustering evaluation can be done through a density-based approach. Density approaches based on the paradigm introduced by DBSCAN clustering. In this approach, density of ea... | {
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1012.6012 | On the Capacity of the Discrete Memoryless Broadcast Channel with
Feedback | [
"cs.IT",
"math.IT"
] | A coding scheme for the discrete memoryless broadcast channel with {noiseless, noisy, generalized} feedback is proposed, and the associated achievable region derived. The scheme is based on a block-Markov strategy combining the Marton scheme and a lossy version of the Gray-Wyner scheme with side-information. In each bl... | {
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1012.6018 | Learning a Representation of a Believable Virtual Character's
Environment with an Imitation Algorithm | [
"cs.AI"
] | In video games, virtual characters' decision systems often use a simplified representation of the world. To increase both their autonomy and believability we want those characters to be able to learn this representation from human players. We propose to use a model called growing neural gas to learn by imitation the to... | {
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1101.0011 | Packet Scheduling in Switches with Target Outflow Profiles | [
"cs.NI",
"cs.MM",
"cs.SY"
] | The problem of packet scheduling for traffic streams with target outflow profiles traversing input queued switches is formulated in this paper. Target outflow profiles specify the desirable inter-departure times of packets leaving the switch from each traffic stream. The goal of the switch scheduler is to dynamically s... | {
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1101.0064 | Dual universality of hash functions and its applications to quantum
cryptography | [
"quant-ph",
"cs.IT",
"math.IT"
] | In this paper, we introduce the concept of dual universality of hash functions and present its applications to quantum cryptography. We begin by establishing the one-to-one correspondence between a linear function family {\cal F} and a code family {\cal C}, and thereby defining \varepsilon-almost dual universal_2 hash ... | {
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1101.0085 | Linear Codes, Target Function Classes, and Network Computing Capacity | [
"cs.IT",
"cs.DC",
"math.CO",
"math.IT"
] | We study the use of linear codes for network computing in single-receiver networks with various classes of target functions of the source messages. Such classes include reducible, injective, semi-injective, and linear target functions over finite fields. Computing capacity bounds and achievability are given with respec... | {
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1101.0133 | Enabling Node Repair in Any Erasure Code for Distributed Storage | [
"cs.IT",
"cs.DC",
"cs.NI",
"math.IT"
] | Erasure codes are an efficient means of storing data across a network in comparison to data replication, as they tend to reduce the amount of data stored in the network and offer increased resilience in the presence of node failures. The codes perform poorly though, when repair of a failed node is called for, as they t... | {
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1101.0139 | A Fast Statistical Method for Multilevel Thresholding in Wavelet Domain | [
"nlin.CD",
"cs.CV"
] | An algorithm is proposed for the segmentation of image into multiple levels using mean and standard deviation in the wavelet domain. The procedure provides for variable size segmentation with bigger block size around the mean, and having smaller blocks at the ends of histogram plot of each horizontal, vertical and diag... | {
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1101.0198 | Link Spam Detection based on DBSpamClust with Fuzzy C-means Clustering | [
"cs.IR",
"cs.IT",
"cs.SI",
"math.IT"
] | Search engine became omnipresent means for ingoing to the web. Spamming Search engine is the technique to deceiving the ranking in search engine and it inflates the ranking. Web spammers have taken advantage of the vulnerability of link based ranking algorithms by creating many artificial references or links in order t... | {
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} |
1101.0211 | Spectral Properties of Directed Random Networks with Modular Structure | [
"cond-mat.dis-nn",
"cs.SI",
"physics.soc-ph",
"q-bio.MN"
] | We study spectra of directed networks with inhibitory and excitatory couplings. We investigate in particular eigenvector localization properties of various model networks for different value of correlation among their entries. Spectra of random networks, with completely uncorrelated entries show a circular distribution... | {
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} |
1101.0237 | A Framework for Real-Time Face and Facial Feature Tracking using Optical
Flow Pre-estimation and Template Tracking | [
"cs.CV"
] | This work presents a framework for tracking head movements and capturing the movements of the mouth and both the eyebrows in real-time. We present a head tracker which is a combination of a optical flow and a template based tracker. The estimation of the optical flow head tracker is used as starting point for the templ... | {
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} |
1101.0242 | Binary and nonbinary description of hypointensity in human brain MR
images | [
"cs.CV"
] | Accumulating evidence has shown that iron is involved in the mechanism underlying many neurodegenerative diseases, such as Alzheimer's disease, Parkinson's disease and Huntington's disease. Abnormal (higher) iron accumulation has been detected in the brains of most neurodegenerative patients, especially in the basal ga... | {
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} |
1101.0245 | Use of Python and Phoenix-M Interface in Robotics | [
"cs.RO",
"cs.AI"
] | In this paper I will show how to use Python programming with a computer interface such as Phoenix-M 1 to drive simple robots. In my quest towards Artificial Intelligence(AI) I am experimenting with a lot of different possibilities in Robotics. This one will try to mimic the working of a simple insect's nervous system u... | {
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} |
1101.0255 | Conditional information and definition of neighbor in categorical random
fields | [
"math.ST",
"cs.LG",
"stat.TH"
] | We show that the definition of neighbor in Markov random fields as defined by Besag (1974) when the joint distribution of the sites is not positive is not well-defined. In a random field with finite number of sites we study the conditions under which giving the value at extra sites will change the belief of an agent ab... | {
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} |
1101.0270 | "On the engineers' new toolbox" or Analog Circuit Design, using Symbolic
Analysis, Computer Algebra, and Elementary Network Transformations | [
"cs.SC",
"cs.CE",
"cs.DM"
] | In this paper, by way of three examples - a fourth order low pass active RC filter, a rudimentary BJT amplifier, and an LC ladder - we show, how the algebraic capabilities of modern computer algebra systems can, or in the last example, might be brought to use in the task of designing analog circuits. | {
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} |
1101.0272 | Social Norms for Online Communities | [
"cs.SI",
"cs.NI",
"physics.soc-ph"
] | Sustaining cooperation among self-interested agents is critical for the proliferation of emerging online social communities, such as online communities formed through social networking services. Providing incentives for cooperation in social communities is particularly challenging because of their unique features: a la... | {
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} |
1101.0275 | Asynchronous Interference Alignment | [
"cs.IT",
"math.IT"
] | A constant K-user interference channel in which the users are not symbol-synchronous is considered. It is shown that the asynchronism among the users facilitates aligning interfering signals at each receiver node while it does not affect the total number of degrees of freedom (DoF) of the channel. To achieve the total ... | {
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} |
1101.0287 | On the Capacity of the Heat Channel, Waterfilling in the Time-Frequency
Plane, and a C-NODE Relationship | [
"cs.IT",
"math.IT"
] | The heat channel is defined by a linear time-varying (LTV) filter with additive white Gaussian noise (AWGN) at the filter output. The continuous-time LTV filter is related to the heat kernel of the quantum mechanical harmonic oscillator, so the name of the channel. The channel's capacity is given in closed form by mean... | {
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} |
1101.0294 | Virtual Full Duplex Wireless Broadcasting via Compressed Sensing | [
"cs.IT",
"cs.NI",
"math.IT"
] | A novel solution is proposed to undertake a frequent task in wireless networks, which is to let all nodes broadcast information to and receive information from their respective one-hop neighboring nodes. The contribution is two-fold. First, as each neighbor selects one message-bearing codeword from its unique codebook ... | {
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} |
1101.0302 | Mutual Information, Relative Entropy, and Estimation in the Poisson
Channel | [
"cs.IT",
"math.IT"
] | Let $X$ be a non-negative random variable and let the conditional distribution of a random variable $Y$, given $X$, be ${Poisson}(\gamma \cdot X)$, for a parameter $\gamma \geq 0$. We identify a natural loss function such that: 1) The derivative of the mutual information between $X$ and $Y$ with respect to $\gamma$ is ... | {
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} |
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