Triple

T3443998
Position Surface form Disambiguated ID Type / Status
Subject MBTA Commuter Rail Kingston Line E72630 entity
Predicate dispatchingAuthority P16162 FINISHED
Object MBTA or its contracted operator E2866 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: MBTA or its contracted operator | Statement: [MBTA Commuter Rail Kingston Line, dispatchingAuthority, MBTA or its contracted operator]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MBTA or its contracted operator
Context triple: [MBTA Commuter Rail Kingston Line, dispatchingAuthority, MBTA or its contracted operator]
  • A. MassDOT Rail and Transit Division
    The MassDOT Rail and Transit Division is the branch of Massachusetts’ state transportation agency responsible for planning, funding, and overseeing passenger rail and public transit services across the Commonwealth.
  • B. MBTA chosen
    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.
  • C. MBTA
    MBTA is a landmark U.S. federal law enacted in 1918 that protects migratory bird species by prohibiting their unauthorized capture, killing, or trade.
  • D. 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.
  • E. MBTA Commuter Rail network
    The MBTA Commuter Rail network is a regional passenger rail system serving Greater Boston and surrounding communities in Massachusetts and parts of Rhode Island.
  • 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: dispatchingAuthority
Context triple: [MBTA Commuter Rail Kingston Line, dispatchingAuthority, MBTA or its contracted operator]
  • A. allocationAuthority
    Indicates that an entity has the power or right to decide how resources, tasks, or responsibilities are distributed among others.
  • B. designationAuthority
    Indicates the entity that has the official power or responsibility to assign, grant, or confer a particular designation to another entity.
  • C. designatesAuthority
    Indicates that one entity formally assigns or confers decision-making power or control over something to another entity.
  • D. operatingAuthority chosen
    Indicates that an entity has the official power, permission, or jurisdiction to operate, manage, or control another entity or activity.
  • E. administeredBy
    Indicates that an action, service, or process is carried out, managed, or overseen by a specified agent or authority.
  • 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_69ad85b05c848190b7a28ceec2bd7b74 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adba2a605c8190a0eafdf6f25b1e38 completed March 8, 2026, 6:04 p.m.
NED1 Entity disambiguation (via context triple) batch_69b360da33e081908630e3f29ea01530 completed March 13, 2026, 12:56 a.m.
PD Predicate disambiguation batch_69adae0255b48190a9069f7871c7a012 completed March 8, 2026, 5:12 p.m.
Created at: March 8, 2026, 3:16 p.m.