Release v0.12.0: compact Tech Threads schema

Reduce each table from 18 to 9 top-level fields while retaining source-native IDs, attribution, licenses, and extraction provenance in nested metadata. The thread/post rows and content are unchanged from v0.11.8.

README.md

@@ -1,87 +1,85 @@
----
-pretty_name: Tech Threads
-license: other
-size_categories:
-- other
-tags:
-- community-data
-- technical-discussions
-configs:
-- config_name: threads
-  data_files:
-  - split: train
-    path: data/threads/train.parquet
-  default: true
-- config_name: posts
-  data_files:
-  - split: train
-    path: data/posts/train.parquet
----
-
-# Tech Threads
-
-A plain, multi-source dataset of technical community discussions and engineering documents. It stores source threads and their posts as two linked Parquet tables, without retrieval chunks or generated training examples.
-
-**Release:** v0.11.8 · **Snapshot assembled:** 2026-10-01  
-**Size:** 743,453 threads and 2,580,340 posts
-
-## Sources
-
-| Source family | Threads | Posts |
-|---|---:|---:|
-| apache_jira | 95,616 | 364,959 |
-| arxiv | 100 | 100 |
-| github | 628,048 | 2,164,014 |
-| gitlab | 1,743 | 1,489 |
-| python_pep | 425 | 28 |
-| stackexchange | 17,521 | 49,750 |
-| **Total** | **743,453** | **2,580,340** |
-
-The source families are GitHub, Apache Jira, Stack Exchange, GitLab, Python PEPs, and arXiv. Records include questions and answers, issues and comments, pull requests, discussions, PEPs, and research papers. The source_platform, source_instance, source_kind, and repository fields identify the source and its content type.
-
-## Files and loading
-
-The dataset has two independent table configurations:
-
-- threads: one canonical row per retained source thread or document.
-- posts: one retained post or document-text row, linked to its thread by thread_uid.
-- manifest.json: release counts, file hashes, source snapshots, schema, deduplication rules, audits, and exclusions.
-
-Load either table directly:
-
-~~~python
-from datasets import load_dataset
-
-threads = load_dataset("aluha501/tech-threads", "threads", split="train")
-posts = load_dataset("aluha501/tech-threads", "posts", split="train")
-~~~
-
-The source instance and project/repository for a post are inherited from its parent thread. Join posts.thread_uid to threads.thread_uid when you need that context.
-
-## Schema
-
-### Threads
-
-Fields: thread_uid, thread_id, source_platform, source_instance, source_kind, repository, title, body, tags, created_at, updated_at, source_url, author_name, author_url, license, license_evidence_url, source_snapshot_at, source_version.
-
-thread_uid is the stable dataset key used by posts. thread_id is the source identifier. source_snapshot_at and source_version identify the source snapshot and extraction version. Tags use a list of strings; timestamps are stored as source-derived strings.
-
-### Posts
-
-Fields: post_uid, thread_uid, post_id, parent_post_id, source_platform, source_kind, post_role, post_origin, body, created_at, updated_at, source_url, thread_source_url, author_name, author_url, accepted, license, license_evidence_url.
-
-post_uid is the stable post key. thread_uid links to the parent thread. post_id and parent_post_id retain source identifiers; parent_post_id is optional. post_role is a normalized source role, while source_kind retains the source content type. post_origin records the source actor category when available, such as human, maintainer, bot, community_user, or unknown. accepted is a source-provided accepted-answer signal and is null when that concept does not apply. Other fields are null when the source does not provide a value.
-
-## Attribution and licenses
-
-There is no single license for the complete dataset, so the Hub metadata is set to other. Each row retains a license label and evidence URL from the source checks used by the collection pipeline. Preserve attribution and follow the terms that apply to each record.
-
-The license fields document provenance; they are not a legal ruling that every user-authored contribution has been independently relicensed. A project-level license or policy may not settle the rights for each issue, answer, pull request, or comment. Check the original source and its current terms before redistributing or using individual records. Author names and profile URLs are retained when available.
-
-## Preparation and limitations
-
-Exact source records are deduplicated using source identifiers. The latest source update wins; a later normalized snapshot breaks timestamp ties. Near-duplicate text is not removed. Posts without text or without a retained parent thread are excluded. Standalone documents remain a single thread; a source-text post is included only when available and eligible. No synthetic discussion posts or labels are added.
-
-Repeated source identifiers and parent-derived project metadata are stored once where possible. Platform-specific reaction scores are omitted because their meanings differ across sources; file hashes and the provenance gate are recorded in manifest.json.
-
-This is a point-in-time dataset, not a live feed or benchmark. It contains no retrieval chunks, embeddings, generated question-answer pairs, preference labels, or task-specific ranking views. Sources without an established text redistribution basis and records held by safety/provenance checks are excluded; detailed counts are in manifest.json. The manifest also records the Stack Exchange baseline items omitted because attribution could not be verified or a safety hold applied.
+---
+pretty_name: Tech Threads
+license: other
+size_categories:
+- other
+tags:
+- community-data
+- technical-discussions
+configs:
+- config_name: threads
+  data_files:
+  - split: train
+    path: data/threads/train.parquet
+  default: true
+- config_name: posts
+  data_files:
+  - split: train
+    path: data/posts/train.parquet
+---
+
+# Tech Threads
+
+A plain dataset of technical community discussions and engineering documents from multiple public sources. It contains linked thread and post tables, with no retrieval chunks, embeddings, or generated training-task records.
+
+**Release:** v0.12.0 · **Snapshot assembled:** 2026-10-01  
+**Size:** 743,453 threads and 2,580,340 posts
+
+## Sources
+
+| Source family | Threads | Posts |
+|---|---:|---:|
+| Apache Jira | 95,616 | 364,959 |
+| arXiv | 100 | 100 |
+| GitHub | 628,048 | 2,164,014 |
+| GitLab | 1,743 | 1,489 |
+| Python PEPs | 425 | 28 |
+| Stack Exchange | 17,521 | 49,750 |
+| **Total** | **743,453** | **2,580,340** |
+
+The source families are GitHub, Apache Jira, Stack Exchange, GitLab, Python PEPs, and arXiv. Content includes questions and answers, issues and comments, pull requests, discussions, PEPs, and research papers.
+
+## Load the data
+
+```python
+from datasets import load_dataset
+
+threads = load_dataset("aluha501/tech-threads", "threads", split="train")
+posts = load_dataset("aluha501/tech-threads", "posts", split="train")
+
+# Example: select the fields used for a simple text dataset.
+texts = threads.select_columns(["title", "body", "source_platform", "source_url"])
+
+# Provenance remains available under the nested metadata field.
+license_name = threads[0]["metadata"]["license"]
+```
+
+The two tables are linked by `posts.thread_uid = threads.thread_uid`. `thread_uid` and `post_uid` are stable dataset identifiers; source-native IDs and less frequently used fields are grouped in `metadata`.
+
+## Schema
+
+Both tables expose nine top-level columns. The nested `metadata` struct preserves the source details without crowding the main table view.
+
+### Threads
+
+Top-level fields: `thread_uid`, `source_platform`, `source_kind`, `title`, `body`, `tags`, `created_at`, `source_url`, `metadata`.
+
+`metadata` fields: thread_id, source_instance, repository, updated_at, author_name, author_url, license, license_evidence_url, source_snapshot_at, source_version.
+
+### Posts
+
+Top-level fields: `post_uid`, `thread_uid`, `parent_post_id`, `source_platform`, `post_role`, `body`, `created_at`, `source_url`, `metadata`.
+
+`metadata` fields: post_id, source_kind, post_origin, updated_at, thread_source_url, author_name, author_url, accepted, license, license_evidence_url. `parent_post_id` is source-native and may be null. `accepted` is retained in metadata and is null where the source has no accepted-answer concept. `source_url` may be null for a post; `metadata.thread_source_url` retains the canonical thread link as a fallback.
+
+All timestamps are source-derived strings. Empty optional metadata values remain null; no content text is generated during this repackage.
+
+## Attribution and licenses
+
+There is no single license for the complete dataset, so the Hub license is marked `other`. Each row retains its source license and license evidence URL under `metadata`, along with author attribution where available. Preserve attribution and follow the terms that apply to each record. These fields document the collection's source checks; they are not a legal ruling that every user-authored contribution has been independently relicensed.
+
+## Preparation and scope
+
+The release preserves the v0.11.8 rows and content while grouping less frequently used fields under `metadata`. Exact source records were deduplicated using source identifiers; near-duplicate text was not removed. Posts without text or without a retained parent thread are excluded. Standalone documents remain a single thread. The manifest records source snapshots, file hashes, counts, audits, deduplication rules, and exclusions.
+
+This is a point-in-time dataset, not a live feed or benchmark. It contains no retrieval chunks, embeddings, synthetic question-answer pairs, preference labels, or task-specific ranking views. Check original source terms before redistributing or using individual records.

data/posts/train.parquet

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+size 999724773

data/threads/train.parquet

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-size 519191323
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+size 519204063

manifest.json

@@ -1,860 +1,891 @@
-{
-  "artifact_type": "technical_community_threads_posts_dataset",
-  "created_at_utc": "2026-10-01T06:58:50.757305+00:00",
-  "dataset_id": "aluha501/tech-threads",
-  "dataset_version": "v0.11.8",
-  "deduplication": {
-    "near_duplicate_removal": false,
-    "post_key": "source_platform + repository + post_uid (fallback post_id)",
-    "thread_key": "source_platform + repository + thread_uid (fallback thread_id)",
-    "winner": "latest updated_at; later normalized snapshot breaks timestamp ties"
-  },
-  "description": "Multi-source technical discussions and documents in linked thread and post tables.",
-  "dropped_rows": {
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-    "posts_parent_thread_not_included": 17722,
-    "posts_safety_or_provenance": 50340,
-    "threads_safety_or_provenance": 6210
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-  },
-  "excluded_sources": [
-    {
-      "reason": "metadata_only; forum-specific text redistribution permission was not verified",
-      "snapshot": "v0.7.0-discourse"
-    },
-    {
-      "reason": "not collected locally; public API availability does not establish a downstream redistribution license for Community Tab text",
-      "snapshot": "huggingface-hub-discussions"
-    },
-    {
-      "reason": "user-generated issue/PR text is not included without a verified downstream redistribution license",
-      "snapshot": "architecture-rfcs-github-issues-and-pulls"
-    },
-    {
-      "reason": "current GitHub repository license API returned NOASSERTION; no per-file license evidence was stored",
-      "snapshot": "architecture-rfcs-pytorch-blob-files"
-    }
-  ],
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-      "rows": 2580340,
-      "sha256": "c3a8073073d03c6cfdd6e444215693279246dc9a05db86b1d0cac9a8db81ee00"
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+      "networkengineering.stackexchange.com",
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+      "opensource.stackexchange.com",
+      "or.stackexchange.com",
+      "physics.stackexchange.com",
+      "pm.stackexchange.com",
+      "proofassistants.stackexchange.com",
+      "quantumcomputing.stackexchange.com",
+      "raspberrypi.stackexchange.com",
+      "reverseengineering.stackexchange.com",
+      "robotics.stackexchange.com",
+      "scicomp.stackexchange.com",
+      "security.stackexchange.com",
+      "serverfault.com",
+      "softwareengineering.stackexchange.com",
+      "sqa.stackexchange.com",
+      "stackoverflow.com",
+      "stats.stackexchange.com",
+      "superuser.com",
+      "sustainability.stackexchange.com",
+      "tex.stackexchange.com",
+      "unix.stackexchange.com",
+      "webmasters.stackexchange.com"
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+    "included": "safety_status=pass and provenance_status=redistributable_with_attribution; Apache Jira Parquet rows without safety_status are checked with the shared secret/email patterns",
+    "posts_require_included_parent_thread": true
+  },
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+    "metadata_fields": {
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+        {
+          "name": "post_id",
+          "type": "string"
+        },
+        {
+          "name": "source_kind",
+          "type": "string"
+        },
+        {
+          "name": "post_origin",
+          "type": "string"
+        },
+        {
+          "name": "updated_at",
+          "type": "string"
+        },
+        {
+          "name": "thread_source_url",
+          "type": "string"
+        },
+        {
+          "name": "author_name",
+          "type": "string"
+        },
+        {
+          "name": "author_url",
+          "type": "string"
+        },
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+          "name": "accepted",
+          "type": "bool"
+        },
+        {
+          "name": "license",
+          "type": "string"
+        },
+        {
+          "name": "license_evidence_url",
+          "type": "string"
+        }
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+          "type": "string"
+        },
+        {
+          "name": "source_instance",
+          "type": "string"
+        },
+        {
+          "name": "repository",
+          "type": "string"
+        },
+        {
+          "name": "updated_at",
+          "type": "string"
+        },
+        {
+          "name": "author_name",
+          "type": "string"
+        },
+        {
+          "name": "author_url",
+          "type": "string"
+        },
+        {
+          "name": "license",
+          "type": "string"
+        },
+        {
+          "name": "license_evidence_url",
+          "type": "string"
+        },
+        {
+          "name": "source_snapshot_at",
+          "type": "string"
+        },
+        {
+          "name": "source_version",
+          "type": "string"
+        }
+      ]
+    },
+    "omitted_redundant_fields": [
+      "threads.source_thread_uid",
+      "posts.source_post_uid",
+      "posts.source_thread_uid",
+      "posts.source_instance",
+      "posts.repository",
+      "threads.provenance_status",
+      "posts.provenance_status",
+      "threads.content_hash",
+      "posts.content_hash",
+      "threads.repository_commit",
+      "posts.reaction_count"
+    ],
+    "post_source_context": "source_instance and repository are retained under threads.metadata; posts.metadata.source_kind retains the source-specific post type",
+    "relationship": "posts.thread_uid references threads.thread_uid",
+    "repackage": {
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+      "from_version": "v0.11.8",
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+      }
+    },
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+          "name": "post_uid",
+          "type": "string"
+        },
+        {
+          "name": "thread_uid",
+          "type": "string"
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+        {
+          "name": "parent_post_id",
+          "type": "string"
+        },
+        {
+          "name": "source_platform",
+          "type": "string"
+        },
+        {
+          "name": "post_role",
+          "type": "string"
+        },
+        {
+          "name": "body",
+          "type": "string"
+        },
+        {
+          "name": "created_at",
+          "type": "string"
+        },
+        {
+          "name": "source_url",
+          "type": "string"
+        },
+        {
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+        }
+      ],
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+        {
+          "name": "thread_uid",
+          "type": "string"
+        },
+        {
+          "name": "source_platform",
+          "type": "string"
+        },
+        {
+          "name": "source_kind",
+          "type": "string"
+        },
+        {
+          "name": "title",
+          "type": "string"
+        },
+        {
+          "name": "body",
+          "type": "string"
+        },
+        {
+          "name": "tags",
+          "type": "list<element: string>"
+        },
+        {
+          "name": "created_at",
+          "type": "string"
+        },
+        {
+          "name": "source_url",
+          "type": "string"
+        },
+        {
+          "name": "metadata",
+          "type": "struct<thread_id: string, source_instance: string, repository: string, updated_at: string, author_name: string, author_url: string, license: string, license_evidence_url: string, source_snapshot_at: string, source_version: string>"
+        }
+      ]
+    },
+    "top_level_column_count": {
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+    }
+  },
+  "schema_version": 3,
+  "scope": {
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+    "embeddings": false,
+    "near_duplicate_removal": false,
+    "retrieval_chunks": false,
+    "task_specific_views": false
+  },
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+    "posts:github:github_discussion": 295176,
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+    "posts:python_pep:pep": 426,
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+    "threads:gitlab:gitlab_issue": 1440,
+    "threads:gitlab:gitlab_merge_request": 750,
+    "threads:python_pep:pep": 426,
+    "threads:stackexchange:stackexchange_question": 20079
+  },
+  "source_license_policy": {
+    "collection_license": "mixed; no single license applies to the complete dataset",
+    "redistribution_gate": "source license/attribution must be present and provenance_status must be redistributable_with_attribution; source-specific exclusions are listed in excluded_sources",
+    "row_level_fields": [
+      "source_url",
+      "metadata.author_name",
+      "metadata.author_url",
+      "metadata.license",
+      "metadata.license_evidence_url"
+    ],
+    "stackexchange_license_source": "API per-post content_license field; post timeline evidence URL retained",
+    "supplemental_source_evidence": {
+      "apache_jira": {
+        "basis": "ASF-managed issue-tracker communications intended to discuss or improve ASF work, subject to the ASF contribution policy; explicitly marked not-a-contribution comments are excluded",
+        "evidence_url": "https://www.apache.org/foundation/how-it-works/legal.html",
+        "license": "Apache-2.0"
+      },
+      "arxiv": {
+        "basis": "the per-paper arXiv OAI-PMH license field; source paper URLs are retained",
+        "evidence_url": "https://info.arxiv.org/help/license/index.html",
+        "licenses": [
+          "CC-BY-4.0",
+          "CC0-1.0"
+        ]
+      },
+      "python_pep": {
+        "basis": "PEP 1 requires each new PEP to use the public-domain and CC0 dual-license; per-document source URLs are retained",
+        "evidence_url": "https://peps.python.org/pep-0001/#copyright-license",
+        "license": "CC0-1.0"
+      }
+    }
+  },
+  "source_reconstruction_exclusions": {
+    "stackexchange-v0.4.0": {
+      "missing_question_attribution": 175
+    },
+    "stackexchange-v0.5.0": {
+      "missing_question_attribution": 50
+    },
+    "stackexchange-v0.6.0-expanded": {
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+    },
+    "stackexchange-v0.7.0-stackexchange-expansion": {
+      "missing_question_attribution": 161
+    }
+  },
+  "splits": {
+    "posts": "train only",
+    "threads": "train only"
+  },
+  "status": "ready_to_publish"
+}