Triple

T488279
Position Surface form Disambiguated ID Type / Status
Subject Pennsylvania Avenue E9927 entity
Predicate hasNearbyStation P5648 FINISHED
Object Federal Triangle station
Federal Triangle station is a Washington Metro rapid transit station located in downtown Washington, D.C., serving the Blue, Orange, and Silver lines near key federal buildings and the National Mall.
E62581 NE FINISHED

How this triple was built (5 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: Federal Triangle station | Statement: [Pennsylvania Avenue, hasNearbyStation, Federal Triangle station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Federal Triangle station
Context triple: [Pennsylvania Avenue, hasNearbyStation, Federal Triangle station]
  • A. Union station
    Union Station is Toronto’s primary intercity and commuter rail hub, serving as a central transit gateway in the city’s downtown core.
  • B. Union Station
    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.
  • C. 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.
  • D. Union Station
    Union Station is a historic former railroad terminal in St. Louis that has been transformed into a mixed-use complex featuring attractions, dining, and entertainment.
  • E. Union Station
    Union Station is a major historic transportation hub in downtown Dallas that serves as a key rail and transit connection point for the city.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Federal Triangle station
Triple: [Pennsylvania Avenue, hasNearbyStation, Federal Triangle station]
Generated description
Federal Triangle station is a Washington Metro rapid transit station located in downtown Washington, D.C., serving the Blue, Orange, and Silver lines near key federal buildings and the National Mall.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Federal Triangle station
Target entity description: Federal Triangle station is a Washington Metro rapid transit station located in downtown Washington, D.C., serving the Blue, Orange, and Silver lines near key federal buildings and the National Mall.
  • A. Union station
    Union Station is Toronto’s primary intercity and commuter rail hub, serving as a central transit gateway in the city’s downtown core.
  • 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. Union Station
    Union Station is a historic former railroad terminal in St. Louis that has been transformed into a mixed-use complex featuring attractions, dining, and entertainment.
  • D. Union Station
    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.
  • E. Union Station
    Union Station is a major historic transportation hub in downtown Dallas that serves as a key rail and transit connection point for the city.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasNearbyStation
Context triple: [Pennsylvania Avenue, hasNearbyStation, Federal Triangle station]
  • A. hasNearbyFacility chosen
    Indicates that one entity is located close to or in the vicinity of a particular facility.
  • B. hasNearbySquare
    Indicates that one entity has at least one square-shaped entity located close to it in space.
  • C. nearbyCurrent
    Indicates that one entity is located close to another entity at the present moment or in the current context.
  • D. hasNearbyStreet
    Indicates that one entity is located close to or adjacent to a street.
  • E. hasNearbyTrailheadFor
    Indicates that one location has a trailhead situated close enough to serve as a convenient access point for another location.
  • F. None of above.

Provenance (6 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_69a2e802e2908190ab17c9479e0b6412 completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2f0df764481909811d9483dfbc4aa completed Feb. 28, 2026, 1:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69a48540a8048190a36c6560d2d51538 completed March 1, 2026, 6:28 p.m.
NEDg Description generation batch_69a485e1ccac819088880d0587c04791 completed March 1, 2026, 6:30 p.m.
NED2 Entity disambiguation (via description) batch_69a48638cbe481909dd39f8926544985 completed March 1, 2026, 6:32 p.m.
PD Predicate disambiguation batch_69a2edf63fbc819090ea6ca11f39116a completed Feb. 28, 2026, 1:30 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.