Triple

T21577976
Position Surface form Disambiguated ID Type / Status
Subject Transportation in Middlesex County, Massachusetts E532448 entity
Predicate regionalTransitAuthority P20657 FINISHED
Object MetroWest Regional Transit Authority 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: MetroWest Regional Transit Authority | Statement: [Transportation in Middlesex County, Massachusetts, regionalTransitAuthority, MetroWest Regional Transit Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MetroWest Regional Transit Authority
Context triple: [Transportation in Middlesex County, Massachusetts, regionalTransitAuthority, MetroWest Regional Transit Authority]
  • A. MetroWest Regional Transit Authority chosen
    MetroWest Regional Transit Authority is a public transportation agency that operates local bus and paratransit services in the MetroWest region of Massachusetts.
  • B. Montachusett Regional Transit Authority
    Montachusett Regional Transit Authority is a public transportation agency serving the Montachusett region of north-central Massachusetts with bus and paratransit services.
  • C. Merrimack Valley Regional Transit Authority
    Merrimack Valley Regional Transit Authority is a public transportation agency that operates local bus and paratransit services in the Merrimack Valley region of northeastern Massachusetts.
  • D. Berkshire Regional Transit Authority
    Berkshire Regional Transit Authority is a public transportation agency that provides bus and paratransit services to communities in Berkshire County, Massachusetts.
  • E. Lowell Regional Transit Authority
    The Lowell Regional Transit Authority is a public transportation agency that operates bus and paratransit services in Lowell, Massachusetts and surrounding communities.
  • 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_69e0c4618bec8190bcb0feb74568cbb1 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69eeeb59cee08190aae55ad6e2a4e077 completed April 27, 2026, 4:51 a.m.
Created at: April 16, 2026, 6:31 p.m.