Triple
T5997409
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago 'L' Red Line Chicago station (nearby) |
E133505
|
entity |
| Predicate | isPartOfCorridor |
P35
|
FINISHED |
| Object | Chicago Red Line north–south corridor |
E252488
|
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 Red Line north–south corridor | Statement: [Chicago 'L' Red Line Chicago station (nearby), isPartOfCorridor, Chicago Red Line north–south corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago Red Line north–south corridor Context triple: [Chicago 'L' Red Line Chicago station (nearby), isPartOfCorridor, Chicago Red Line north–south corridor]
-
A.
Red Line (Chicago "L")
chosen
The Red Line is a major rapid transit route of the Chicago "L" system, running north–south through the city and operating 24 hours a day.
-
B.
Orange Line Metro Train
Orange Line Metro Train is a rapid transit line in Lahore, Pakistan, forming part of the city’s metro system and providing high-capacity urban rail service.
-
C.
Orange Line at Clark/Lake
The Orange Line at Clark/Lake is a Chicago 'L' rapid transit route serving the Loop and Midway Airport, intersecting multiple CTA lines at the busy Clark/Lake station.
-
D.
IND 63rd Street Line
The IND 63rd Street Line is a New York City Subway line in Manhattan and Queens that carries F and sometimes other services through the 63rd Street Tunnel.
-
E.
MAX Red Line light rail
The MAX Red Line light rail is a public transit service in the Portland metropolitan area that connects downtown Portland with Portland International Airport and other key destinations.
- 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_69c00870ddbc81909880fa3864f4f38d |
completed | March 22, 2026, 3:19 p.m. |
| NER | Named-entity recognition | batch_69c04ee274e08190b6478c7ae318ae48 |
completed | March 22, 2026, 8:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c10876d4d0819083ac7431c8abaedd |
completed | March 23, 2026, 9:31 a.m. |
Created at: March 22, 2026, 4:05 p.m.