Triple

T8079210
Position Surface form Disambiguated ID Type / Status
Subject MBTA accessibility policies E188571 entity
Predicate monitoredBy P752 FINISHED
Object MBTA System‑Wide Accessibility department E710436 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: MBTA System‑Wide Accessibility department | Statement: [MBTA accessibility policies, monitoredBy, MBTA System‑Wide Accessibility department]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MBTA System‑Wide Accessibility department
Context triple: [MBTA accessibility policies, monitoredBy, MBTA System‑Wide Accessibility department]
  • A. MBTA Office for Transportation Access chosen
    The MBTA Office for Transportation Access is the department within Boston’s transit authority responsible for planning, coordinating, and ensuring accessible transit services for riders with disabilities and others needing accommodation.
  • B. MBTA accessibility policies
    MBTA accessibility policies are the guidelines and regulations that ensure Boston’s public transit system is usable and safe for riders with disabilities, covering station design, vehicles, signage, and customer assistance.
  • C. MBTA paratransit service
    MBTA paratransit service is a door-to-door, shared-ride transportation program providing accessible transit for people with disabilities who are unable to use standard MBTA buses, subways, or trains.
  • D. MBTA customer service locations
    MBTA customer service locations are official transit agency offices and kiosks where riders can get assistance, manage fare products, and resolve issues related to Boston’s public transportation system.
  • E. MBTA
    The MBTA (Massachusetts Bay Transportation Authority) is the public transit agency that operates subway, bus, commuter rail, and ferry services in the Greater Boston area.
  • 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_69ca82b50c708190863f661d438e68df completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb40a3f01c819096a2c9d5d5199fe6 completed March 31, 2026, 3:33 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc93eddef48190b5f499a5b52428c8 completed April 1, 2026, 3:41 a.m.
Created at: March 30, 2026, 5:28 p.m.