Triple
T19658030
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Lowell Line |
E471999
|
entity |
| Predicate | servesStation |
P839
|
FINISHED |
| Object | Winchester Center |
—
|
NE NERFINISHED |
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: Winchester Center | Statement: [MBTA Lowell Line, servesStation, Winchester Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Winchester Center Context triple: [MBTA Lowell Line, servesStation, Winchester Center]
-
A.
Ballston Center
Ballston Center is an urban academic facility of Marymount University located in Arlington, Virginia, housing classrooms, offices, and specialized programs.
-
B.
Winchester Center Historic District
chosen
Winchester Center Historic District is a preserved area in downtown Winchester, Massachusetts, known for its concentration of historically and architecturally significant civic, commercial, and residential buildings.
-
C.
Quincy Center
Quincy Center is a major transit station and commercial hub in Quincy, Massachusetts, providing access to subway and bus services within the Greater Boston area.
-
D.
Lexington Center
Lexington Center is the historic and commercial downtown district of Lexington, Massachusetts, known for its shops, restaurants, and proximity to Revolutionary War landmarks.
-
E.
Danforth Village
Danforth Village is a residential and commercial neighbourhood in Toronto, Canada, known for its vibrant stretch of shops, restaurants, and community life along Danforth Avenue.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8e51395348190ac1416d46dfc6db0 |
completed | April 10, 2026, 11:54 a.m. |
| NER | Named-entity recognition | batch_69e641475f408190bd42ef3f8d590719 |
completed | April 20, 2026, 3:07 p.m. |
Created at: April 10, 2026, 1:45 p.m.