Triple
T21852440
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Elm Street (Newton, Massachusetts) |
E539536
|
entity |
| Predicate | hasRailStationNearby |
P31869
|
FINISHED |
| Object | Davis station (MBTA) |
—
|
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: Davis station (MBTA) | Statement: [Elm Street (Newton, Massachusetts), hasRailStationNearby, Davis station (MBTA)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Davis station (MBTA) Context triple: [Elm Street (Newton, Massachusetts), hasRailStationNearby, Davis station (MBTA)]
-
A.
Davis (MBTA station)
chosen
Davis (MBTA station) is an underground rapid transit station on the Massachusetts Bay Transportation Authority's Red Line located in Somerville, Massachusetts.
-
B.
MBTA Lechmere station
MBTA Lechmere station is a Green Line light rail station in East Cambridge, Massachusetts, serving as a key transit hub near the CambridgeSide shopping and office district.
-
C.
Wellington Station (MBTA)
Wellington Station (MBTA) is an Orange Line rapid transit station in Medford, Massachusetts, serving as a key park-and-ride and bus transfer hub just north of downtown Boston.
-
D.
MBTA Silver Hill station
MBTA Silver Hill station is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line serving the Silver Hill neighborhood of Weston, Massachusetts.
-
E.
MBTA Red Line Wollaston station
MBTA Red Line Wollaston station is a rapid transit stop in Quincy, Massachusetts, serving the Red Line’s Braintree Branch and providing access to nearby residential areas and Quincy Bay.
- 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_69e0c47829648190bbe2d1d7033768ec |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f0bd59bcbc819093829feb152e090d |
completed | April 28, 2026, 1:59 p.m. |
Created at: April 16, 2026, 6:56 p.m.