Triple

T1648968
Position Surface form Disambiguated ID Type / Status
Subject MBTA Type 9 Light Rail Vehicle E35647 entity
Predicate cityServed P82 FINISHED
Object Brookline E30911 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: Brookline | Statement: [MBTA Type 9 Light Rail Vehicle, cityServed, Brookline]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brookline
Context triple: [MBTA Type 9 Light Rail Vehicle, cityServed, Brookline]
  • A. Brookline chosen
    Brookline is an affluent, historic suburban town directly bordering Boston, known for its tree-lined streets, excellent public schools, and vibrant residential neighborhoods.
  • B. Dedham
    Dedham is a historic suburban town in eastern Massachusetts that serves as the county seat of Norfolk County and lies just southwest of Boston.
  • C. Norwell
    Norwell is a suburban town in Plymouth County, Massachusetts, known for its residential character, conservation land, and location along the North River.
  • D. West Roxbury
    West Roxbury is a primarily residential neighborhood in the southwest part of Boston, Massachusetts, known for its suburban feel and tree-lined streets.
  • E. Uphams Corner
    Uphams Corner is a diverse commercial and residential neighborhood in the Dorchester area of Boston, Massachusetts, known for its historic architecture and vibrant community.
  • 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_69a8860568888190a32cd9f70acbba42 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a90a6537e0819082b966023e0c0583 completed March 5, 2026, 4:45 a.m.
NED1 Entity disambiguation (via context triple) batch_69d100a1ad688190b1a2fc91ce3dbdc3 completed April 4, 2026, 12:14 p.m.
Created at: March 4, 2026, 7:29 p.m.