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.