Triple

T68673
Position Surface form Disambiguated ID Type / Status
Subject Virginia Railway Express E1371 entity
Predicate startPointOfManassasLine P389 FINISHED
Object Union Station, Washington, D.C. E223 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: Union Station, Washington, D.C. | Statement: [Virginia Railway Express, startPointOfManassasLine, Union Station, Washington, D.C.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Union Station, Washington, D.C.
Context triple: [Virginia Railway Express, startPointOfManassasLine, Union Station, Washington, D.C.]
  • A. Union Station chosen
    Union Station is a historic Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
  • B. Union Station
    Union Station is the main railway station and a historic transportation hub in downtown Los Angeles, renowned for its Mission Revival and Art Deco architecture.
  • C. Foggy Bottom–GWU station
    Foggy Bottom–GWU station is a Washington, D.C. Metrorail station on the Blue, Orange, and Silver lines serving the George Washington University campus and nearby landmarks including the Kennedy Center.
  • D. Capital Centre
    Capital Centre was a now-demolished indoor sports and entertainment arena in Landover, Maryland, that once hosted the Washington Capitals and Washington Bullets.
  • E. The Dupont Circle Building
    The Dupont Circle Building is a prominent historic office and commercial structure located at the busy Dupont Circle intersection in Washington, D.C.
  • 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: startPointOfManassasLine
Context triple: [Virginia Railway Express, startPointOfManassasLine, Union Station, Washington, D.C.]
  • A. startPoint chosen
    Indicates the initial location or position from which an object, path, or action begins.
  • B. openedAsRedLineStation
    Indicates that a station began operation specifically as part of the Red Line when it first opened.
  • C. openedAsRailStop
    Indicates that an entity began operation or was first established specifically as a railway stop.
  • D. railwayLine
    Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
  • E. servedByRailroad
    Indicates that a location or facility is provided with transportation or service by a railroad line or company.
  • 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_69a24c06b3bc8190aa4ac89026115efc completed Feb. 28, 2026, 1:59 a.m.
NER Named-entity recognition batch_69a24fd16c248190a6ee4cd96c388772 completed Feb. 28, 2026, 2:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2e3ba20dc81908b2ebffae3dd90ac completed Feb. 28, 2026, 12:46 p.m.
PD Predicate disambiguation batch_69a24ea8cfd081908a26edad2473dde3 completed Feb. 28, 2026, 2:10 a.m.
Created at: Feb. 28, 2026, 2:03 a.m.