Triple
T10899855
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail Needham Line |
E257407
|
entity |
| Predicate | servesCommunity |
P82
|
FINISHED |
| Object | West Roxbury, Boston |
E273060
|
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: West Roxbury, Boston | Statement: [MBTA Commuter Rail Needham Line, servesCommunity, West Roxbury, Boston]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: West Roxbury, Boston Context triple: [MBTA Commuter Rail Needham Line, servesCommunity, West Roxbury, Boston]
-
A.
West Roxbury
chosen
West Roxbury is a primarily residential neighborhood in the southwest part of Boston, Massachusetts, known for its suburban feel and tree-lined streets.
-
B.
Jamaica Plain
Jamaica Plain is a residential neighborhood in Boston, Massachusetts, known for its diverse community, green spaces, and historic architecture.
-
C.
Uphams Corner
Uphams Corner is a diverse commercial and residential neighborhood in the Dorchester area of Boston, Massachusetts, known for its historic architecture and vibrant community.
-
D.
Allston neighborhood of Boston
The Allston neighborhood of Boston is a vibrant, densely populated area known for its large student and young professional population, diverse immigrant communities, and lively music, arts, and nightlife scenes.
-
E.
Roxbury
Roxbury is one of the earliest English-settled neighborhoods of present-day Boston, historically significant as a colonial town in what became Massachusetts.
- 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_69d6aa8550c8819095508a2ed9acf3db |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d761a2392c8190bc2c2359d63eff7a |
completed | April 9, 2026, 8:21 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e216c69b088190b8fa192cd8fe23ed |
completed | April 17, 2026, 11:17 a.m. |
Created at: April 8, 2026, 9:21 p.m.