Triple
T3752197
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Purple Line (CTA) |
E81356
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Harold Washington Library–State/Van Buren |
E75764
|
NE FINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Harold Washington Library–State/Van Buren | Statement: [Purple Line (CTA), hasStation, Harold Washington Library–State/Van Buren]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Harold Washington Library–State/Van Buren Context triple: [Purple Line (CTA), hasStation, Harold Washington Library–State/Van Buren]
-
A.
Harold Washington Library Center
chosen
The Harold Washington Library Center is Chicago’s central public library and one of the largest public library buildings in the world, known for its prominent postmodern architecture.
-
B.
Richard J. Daley Center
The Richard J. Daley Center is a prominent civic skyscraper and courthouse in downtown Chicago, known for housing major Cook County courtrooms and government offices as well as its iconic Picasso sculpture in the adjoining plaza.
-
C.
Chicago City Hall
Chicago City Hall is the central municipal government building of Chicago, housing key city offices and serving as the primary location for official civic administration and proceedings.
-
D.
Cook County Building
The Cook County Building is a major government office structure in downtown Chicago that houses key administrative functions of Cook County.
-
E.
Dewey Library
Dewey Library is a specialized library at the Massachusetts Institute of Technology focused on management, business, and social science resources.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69ad8b19b7b08190a6188804e99c53e9 |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69adcb92135c819093f6d616d3ad28ff |
completed | March 8, 2026, 7:18 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b4db35fa5c81909b26b96cd70ebef8 |
completed | March 14, 2026, 3:51 a.m. |
Created at: March 8, 2026, 3:35 p.m.