Dataset Viewer
The dataset viewer is not available for this split.
Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code: StreamingRowsError
Exception: CastError
Message: Couldn't cast
domains: list<item: string>
child 0, item: string
edge_count: int64
node_count: int64
schema: string
source: struct<attribution: string, author: string, license: string, provider: string, retrieved_via: string (... 1 chars omitted)
child 0, attribution: string
child 1, author: string
child 2, license: string
child 3, provider: string
child 4, retrieved_via: string
associationType: string
identifier: string
originNodeURI: string
destinationNodeURI: string
to
{'associationType': Value('string'), 'destinationNodeURI': Value('string'), 'identifier': Value('string'), 'originNodeURI': Value('string')}
because column names don't match
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
return get_rows(
dataset=dataset,
...<4 lines>...
column_names=column_names,
)
File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
return func(*args, **kwargs)
File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
File "/src/services/worker/src/worker/utils.py", line 483, in safe_iter
yield from ds.decode(False) if ds.features else ds
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2840, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2373, in __iter__
for key, pa_table in self._iter_arrow():
~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2398, in _iter_arrow
for key, pa_table in self.ex_iterable._iter_arrow():
~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
for key, pa_table in iterator:
^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
for key, pa_table in self.generate_tables_fn(**gen_kwags):
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
self._cast_table(pa_table, json_field_paths=json_field_paths),
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
pa_table = table_cast(pa_table, self.info.features.arrow_schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2378, in table_cast
return cast_table_to_schema(table, schema)
File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
raise CastError(
...<3 lines>...
)
datasets.table.CastError: Couldn't cast
domains: list<item: string>
child 0, item: string
edge_count: int64
node_count: int64
schema: string
source: struct<attribution: string, author: string, license: string, provider: string, retrieved_via: string (... 1 chars omitted)
child 0, attribution: string
child 1, author: string
child 2, license: string
child 3, provider: string
child 4, retrieved_via: string
associationType: string
identifier: string
originNodeURI: string
destinationNodeURI: string
to
{'associationType': Value('string'), 'destinationNodeURI': Value('string'), 'identifier': Value('string'), 'originNodeURI': Value('string')}
because column names don't matchNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
lego573402/mathgraph-00
Prerequisite knowledge graph exported from the teach engine's ConceptGraph (schema teach-concept-graph-v1). Item/association shape is modeled on 1EdTech CASE's CFItem/CFAssociation (precedes = origin established before destination); this is a shape reference, not a CASE-conformance claim.
- Nodes: 45
- Edges: 40
- Domains: math
Source
{
"attribution": "Knowledge Graph is provided by Learning Commons under the CC BY-4.0 license. Virginia Mathematics standards provided by the Virginia Department of Education available at https://www.doe.virginia.gov/home/showpublisheddocument/48908/638603404953130000.",
"author": "Virginia Department of Education",
"license": "https://creativecommons.org/licenses/by/4.0/",
"provider": "Learning Commons (learningcommons.org), Knowledge Graph v1.13.0",
"retrieved_via": "https://cdn.learningcommons.org/knowledge-graph/v1.13.0/exports/{nodes,relationships}.jsonl"
}
Files
nodes.jsonl-- oneCFItem-shaped record perConceptNodeassociations.jsonl-- oneCFAssociation-shaped record perPrerequisiteEdgemanifest.json-- schema name, counts, and thesourceblock above as structured data
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