Triple
T6255100
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mattapan Line |
E140142
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Cedar Grove station |
E188908
|
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: Cedar Grove station | Statement: [Mattapan Line, hasStation, Cedar Grove station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cedar Grove station Context triple: [Mattapan Line, hasStation, Cedar Grove station]
-
A.
Cedar Grove station
chosen
Cedar Grove station is a small neighborhood stop on Boston's MBTA Red Line, serving the Ashmont–Mattapan High-Speed Line in the Dorchester area.
-
B.
Briarwood station
Briarwood station is a New York City Subway station in Queens serving the IND Queens Boulevard Line.
-
C.
Oak Grove station
Oak Grove station is a rapid transit station in Malden, Massachusetts, serving as the northern terminus of Boston’s MBTA Orange Line.
-
D.
Maplewood station
Maplewood station is a commuter rail stop on NJ Transit's Morris & Essex Lines serving the suburban community of Maplewood, New Jersey.
-
E.
Fairview Heights station
Fairview Heights station is a light rail stop in Inglewood, California, serving passengers on Los Angeles Metro's K Line.
- 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_69c008b4858c819095b0199114a9a87b |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c06363d6008190bf05e003b1f74497 |
completed | March 22, 2026, 9:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c2443138788190835ed3fd99f21827 |
completed | March 24, 2026, 7:58 a.m. |
Created at: March 22, 2026, 4:24 p.m.