Triple

T9199198
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Northeast Corridor routes E220792 entity
Predicate owner P347 FINISHED
Object District of Columbia Department of Transportation E32892 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: District of Columbia Department of Transportation | Statement: [Amtrak Northeast Corridor routes, owner, District of Columbia Department of Transportation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: District of Columbia Department of Transportation
Context triple: [Amtrak Northeast Corridor routes, owner, District of Columbia Department of Transportation]
  • A. District of Columbia Department of Transportation chosen
    The District of Columbia Department of Transportation is the city agency responsible for planning, constructing, and maintaining Washington, D.C.’s transportation infrastructure and services.
  • B. District of Columbia Department of Public Works
    The District of Columbia Department of Public Works is the municipal agency responsible for services such as trash and recycling collection, street and alley cleaning, parking enforcement, and related public space maintenance in Washington, D.C.
  • C. Washington Metropolitan Area Transit Authority
    The Washington Metropolitan Area Transit Authority is the agency that manages public transportation services, including Metrorail and Metrobus, in the Washington, D.C. metropolitan region.
  • D. Baltimore City Department of Transportation
    The Baltimore City Department of Transportation is the municipal agency responsible for planning, operating, and maintaining Baltimore’s streets, transportation infrastructure, and related public works.
  • E. Board of Public Works of the District of Columbia
    The Board of Public Works of the District of Columbia was a 19th-century governing body responsible for overseeing major public infrastructure and improvements in Washington, D.C.
  • 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_69ca83e8e9248190862cf3e41693b310 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69ccd880ab808190aa785a5f1e5d5976 completed April 1, 2026, 8:34 a.m.
NED1 Entity disambiguation (via context triple) batch_69d05c40267c8190926f4d5c912d0f45 completed April 4, 2026, 12:33 a.m.
Created at: March 30, 2026, 7:25 p.m.