Triple
T781535
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Green Line D branch |
E16506
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Government Center station |
E50931
|
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: Government Center station | Statement: [MBTA Green Line D branch, terminus, Government Center station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Government Center station Context triple: [MBTA Green Line D branch, terminus, Government Center station]
-
A.
Government Center station
chosen
Government Center station is a major Boston subway hub and transfer point in downtown Boston, serving multiple MBTA Green Line branches and the Blue Line.
-
B.
Convention Center station
Convention Center station is a light rail stop in downtown Baltimore, Maryland, serving the Baltimore Light RailLink system near the Baltimore Convention Center.
-
C.
Metro Center station
Metro Center station is a major Washington, D.C. Metrorail hub in downtown D.C. where several lines intersect, serving as one of the system’s busiest transfer points.
-
D.
City Hall station
City Hall station is a major underground rapid transit stop in Philadelphia located beneath the city's central municipal complex.
-
E.
Innovation Center station
Innovation Center station is a Washington Metro rail station in Virginia located near the Dulles Technology Corridor, serving the Silver 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_69a4936ad1fc81908f190208059ccf78 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a751ea3481908a622d5255249883 |
completed | March 1, 2026, 8:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a7cf4d769c81909eba6cefb241d417 |
completed | March 4, 2026, 6:21 a.m. |
Created at: March 1, 2026, 7:37 p.m.