Triple
T2404573
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Town of Belmont |
E50245
|
entity |
| Predicate | hasCommuterRailStation |
P105
|
FINISHED |
| Object | Belmont Center station |
E461
|
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: Belmont Center station | Statement: [Town of Belmont, hasCommuterRailStation, Belmont Center station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Belmont Center station Context triple: [Town of Belmont, hasCommuterRailStation, Belmont Center station]
-
A.
Belmont Center station
chosen
Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
-
B.
Shawmut station
Shawmut station is a rapid transit stop on Boston's MBTA Red Line serving the Dorchester neighborhood along the Ashmont branch.
-
C.
Park Place station
Park Place station is a New York City Subway station in Lower Manhattan that serves the 2 and 3 lines and is part of a larger interconnected transit hub with nearby stations.
-
D.
Glenmont station
Glenmont station is a Washington Metro rapid transit station in Montgomery County, Maryland, serving as the northern terminus of the system's Red Line.
-
E.
Fairview Avenue station
Fairview Avenue station is a commuter rail stop in Downers Grove, Illinois, serving Metra's BNSF Railway Line in the Chicago metropolitan area.
- 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_69a88b0339a88190a1207333cd271cc9 |
completed | March 4, 2026, 7:41 p.m. |
| NER | Named-entity recognition | batch_69abc8fa151081909bc6be528b29b315 |
completed | March 7, 2026, 6:43 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b20321518c8190a221620074f3428b |
completed | March 12, 2026, 12:04 a.m. |
Created at: March 4, 2026, 7:58 p.m.