Triple
T15198041
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 138th Street–Grand Concourse |
E363188
|
entity |
| Predicate | openedAsPartOf |
P9951
|
FINISHED |
| Object | IRT Pelham Line |
E25114
|
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: IRT Pelham Line | Statement: [138th Street–Grand Concourse, openedAsPartOf, IRT Pelham Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: IRT Pelham Line Context triple: [138th Street–Grand Concourse, openedAsPartOf, IRT Pelham Line]
-
A.
Hudson Line
The Hudson Line is a major passenger rail route running along the east bank of the Hudson River in New York, serving both commuter and intercity trains between New York City and points upstate.
-
B.
Pelham Line
chosen
The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
-
C.
Concourse Line
The Concourse Line is a New York City Subway line in the Bronx, primarily served by the B and D trains and running along the Grand Concourse corridor.
-
D.
MBTA Kingston Line
The MBTA Kingston Line is a commuter rail line in Massachusetts that provides service between Boston and the South Shore communities, terminating in Kingston.
-
E.
Mattapan Line
The Mattapan Line is a light rail trolley service in Boston, Massachusetts, operating as part of the MBTA's Red Line system between Ashmont and Mattapan.
- 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_69d85a0b78bc8190b6e5ad51a2c4cfc5 |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e006b476208190a5119710c518bb1f |
completed | April 15, 2026, 9:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fedd2bff388190881396685edd1787 |
completed | May 9, 2026, 7:07 a.m. |
Created at: April 10, 2026, 3:10 a.m.