Triple
T19184276
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Jarvis station (CTA Red Line) |
E469657
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | North Side Main Line (CTA) |
—
|
NE NERFINISHED |
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: North Side Main Line (CTA) | Statement: [Jarvis station (CTA Red Line), partOf, North Side Main Line (CTA)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North Side Main Line (CTA) Context triple: [Jarvis station (CTA Red Line), partOf, North Side Main Line (CTA)]
-
A.
North Side Main Line (CTA Red Line)
chosen
The North Side Main Line is a major elevated rapid transit corridor in Chicago that carries the Chicago Transit Authority's Red Line trains through the city's North Side neighborhoods.
-
B.
Green Line (CTA) main line
The Green Line (CTA) main line is a principal rapid transit route in Chicago’s 'L' system, running primarily along the South and West Sides and serving as a core corridor that branches to multiple termini.
-
C.
Purple Line (CTA)
The Purple Line (CTA) is a rapid transit route in Chicago primarily serving the northern suburbs and Evanston, with express service to downtown during weekday rush hours.
-
D.
Orange Line (CTA)
The Orange Line (CTA) is a rapid transit route in Chicago that connects the Loop with Midway International Airport and several Southwest Side neighborhoods.
-
E.
Second Avenue Line
The Second Avenue Line is a New York City Subway service planned and built to run primarily beneath Manhattan’s Second Avenue as part of a long-delayed effort to expand the city’s rapid transit network.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8dd0ad9088190a173b32657ae2e7a |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5f61f1d9c8190b67555383d821958 |
completed | April 20, 2026, 9:47 a.m. |
Created at: April 10, 2026, 12:07 p.m.