Triple
T818513
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Orange Line (CTA) |
E17700
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Chicago "L" |
E15398
|
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: Chicago "L" | Statement: [Orange Line (CTA), partOf, Chicago "L"]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago "L" Context triple: [Orange Line (CTA), partOf, Chicago "L"]
-
A.
Chicago "L"
chosen
The Chicago "L" is the elevated rapid transit system serving Chicago and some surrounding suburbs, known for its iconic above-ground tracks and extensive urban rail network.
-
B.
Metra
Metra is the commuter rail system serving the Chicago metropolitan area, operating extensive routes that connect the city with its surrounding suburbs.
-
C.
CTA Brown Line
The CTA Brown Line is a Chicago 'L' rapid transit route that runs from the city's Northwest Side into the downtown Loop, serving numerous residential and commercial neighborhoods.
-
D.
Yellow Line (CTA)
The Yellow Line (CTA), also known as the Skokie Swift, is a short Chicago Transit Authority rapid transit route that runs between Howard and Skokie without serving downtown Chicago.
-
E.
Chicago Surface Lines
Chicago Surface Lines was a privately operated streetcar and bus system that provided most of Chicago’s surface public transportation in the first half of the 20th century.
- 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_69a4937bcaac8190a322524ac6f45a5a |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4ab63f4a48190a61a14c3c41ed641 |
completed | March 1, 2026, 9:11 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a7edfcb7a88190b3670c6ef2b93609 |
completed | March 4, 2026, 8:31 a.m. |
Created at: March 1, 2026, 7:38 p.m.