Triple
T1225204
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Blue Line (Washington Metro) |
E26310
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Morgan Boulevard station |
E211097
|
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: Morgan Boulevard station | Statement: [Blue Line (Washington Metro), hasStation, Morgan Boulevard station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Morgan Boulevard station Context triple: [Blue Line (Washington Metro), hasStation, Morgan Boulevard station]
-
A.
Morgan Boulevard station
chosen
Morgan Boulevard station is a Washington Metro rapid transit station in Prince George's County, Maryland, serving the nearby FedExField stadium and surrounding residential areas.
-
B.
Pattison Avenue station
Pattison Avenue station is a subway station in Philadelphia that serves as the southern terminus of SEPTA’s Broad Street Line, providing access to the South Philadelphia Sports Complex.
-
C.
Avenue Road station
Avenue Road station was the original name of Toronto’s Museum subway station on Line 1 Yonge–University.
-
D.
Crescent Street station
Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
-
E.
Central Avenue station
Central Avenue station is a stop on Boston's MBTA Mattapan Trolley line serving the Milton area along the historic Ashmont–Mattapan High-Speed 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_69a49484688c8190a1bf285eb396a8b6 |
completed | March 1, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69a4be382c4081909238c18b805352a7 |
completed | March 1, 2026, 10:31 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae51572d808190b6e2e7a8a3b597f0 |
completed | March 9, 2026, 4:49 a.m. |
Created at: March 1, 2026, 7:47 p.m.