Triple

T4944605
Position Surface form Disambiguated ID Type / Status
Subject Mass Transit Administration E111016 entity
Predicate operatedService P5884 FINISHED
Object MARC Train commuter rail service E281442 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: MARC Train commuter rail service | Statement: [Mass Transit Administration, operatedService, MARC Train commuter rail service]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MARC Train commuter rail service
Context triple: [Mass Transit Administration, operatedService, MARC Train commuter rail service]
  • A. MARC commuter rail chosen
    MARC commuter rail is a regional passenger train service in Maryland that connects suburban communities and nearby states with major employment centers like Washington, D.C. and Baltimore.
  • B. Sounder commuter rail
    Sounder commuter rail is a regional passenger train service in the Seattle area that connects downtown Seattle with surrounding communities in Pierce and Snohomish counties.
  • C. A-train commuter rail
    The A-train commuter rail is a regional passenger rail line in North Texas that connects Denton to the Dallas–Fort Worth area as part of the Denton County Transportation Authority network.
  • D. Northstar commuter rail
    Northstar commuter rail is a commuter train service in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with northern suburbs and exurban communities.
  • E. G Line commuter rail
    The G Line commuter rail is a Regional Transportation District (RTD) rail line in the Denver metropolitan area that connects Union Station in downtown Denver with western suburbs including Arvada and Wheat Ridge.
  • 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_69bd441721cc819085c7e33fe0876818 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd70a8e5388190882831d7828441d3 completed March 20, 2026, 4:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69be81cc862081908b42686f04915238 completed March 21, 2026, 11:32 a.m.
Created at: March 20, 2026, 1:31 p.m.