Triple
T5729840
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Davis (MBTA station) |
E126352
|
entity |
| Predicate | followingStation |
P46397
|
FINISHED |
| Object | Alewife (MBTA station) |
E155389
|
NE FINISHED |
How this triple was built (3 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: Alewife (MBTA station) | Statement: [Davis (MBTA station), followingStation, Alewife (MBTA station)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alewife (MBTA station) Context triple: [Davis (MBTA station), followingStation, Alewife (MBTA station)]
-
A.
Alewife MBTA station
chosen
Alewife MBTA station is a major transit hub in Cambridge, Massachusetts, serving as the northern terminus of the Red Line and a key connection point for buses, park-and-ride commuters, and regional bike paths.
-
B.
Aquarium station (MBTA Blue Line)
Aquarium station (MBTA Blue Line) is an underground Massachusetts Bay Transportation Authority subway station in downtown Boston serving the Blue Line near the city’s waterfront and tourist attractions.
-
C.
Waban MBTA station
Waban MBTA station is a light rail stop on the MBTA Green Line D branch in Newton, Massachusetts, serving the village of Waban.
-
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 Aquarium station
MBTA Aquarium station is an underground subway stop on Boston’s Blue Line located near the New England Aquarium and the downtown waterfront.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: followingStation Context triple: [Davis (MBTA station), followingStation, Alewife (MBTA station)]
-
A.
followedByStation
Indicates that one station directly succeeds another in a sequence, such as along a transit line or route.
-
B.
successorStation
chosen
Indicates that one station directly follows another in a sequence, such as along a transit line or route.
-
C.
followingStationOnYellowLine
Indicates that one station is the next station in sequence after another on the Yellow Line.
-
D.
followingStationOnBlueLine
Indicates that one station is the next consecutive stop after another station on the Blue Line route.
-
E.
adjacentStationFormerly
Indicates that two stations were directly adjacent to each other in the past, but are no longer adjacent in the current network configuration.
- F. None of above.
Provenance (4 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_69c0082f723881908ce8bb13a0c0f8b7 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c029014588819094a2a0f6f9b66bab |
completed | March 22, 2026, 5:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c07dffe45481909eb617e40c83bd14 |
completed | March 22, 2026, 11:40 p.m. |
| PD | Predicate disambiguation | batch_69c021c6488881909bed4a4534d57f70 |
completed | March 22, 2026, 5:07 p.m. |
Created at: March 22, 2026, 3:47 p.m.