Triple

T187890
Position Surface form Disambiguated ID Type / Status
Subject Empire Builder E4022 entity
Predicate endStationSeattle P726 FINISHED
Object King Street Station
King Street Station is a historic railway terminal in downtown Seattle, Washington, serving as a major hub for Amtrak and regional rail services.
E27776 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: King Street Station | Statement: [Empire Builder, endStationSeattle, King Street Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: King Street Station
Context triple: [Empire Builder, endStationSeattle, King Street Station]
  • A. South Station
    South Station is Boston’s major intercity rail and bus terminal and a key MBTA subway hub in the city’s downtown.
  • 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 Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
  • D. Fulton Street station
    Fulton Street station is a major New York City Subway complex in Lower Manhattan that serves multiple lines and connects to the Fulton Center transit hub.
  • E. Broad Street Station (Philadelphia)
    Broad Street Station (Philadelphia) was a grand former railroad terminal in Center City Philadelphia that served as the Pennsylvania Railroad’s primary passenger station and a major hub of rail travel in the late 19th and early 20th centuries.
  • 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: King Street Station
Triple: [Empire Builder, endStationSeattle, King Street Station]
Generated description
King Street Station is a historic railway terminal in downtown Seattle, Washington, serving as a major hub for Amtrak and regional rail services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: King Street Station
Target entity description: King Street Station is a historic railway terminal in downtown Seattle, Washington, serving as a major hub for Amtrak and regional rail services.
  • A. South Station
    South Station is Boston’s major intercity rail and bus terminal and a key MBTA subway hub in the city’s downtown.
  • 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 Beaux-Arts transportation hub and major intercity rail terminal in Washington, D.C., serving as a gateway to the U.S. capital.
  • D. Fulton Street station
    Fulton Street station is a major New York City Subway complex in Lower Manhattan that serves multiple lines and connects to the Fulton Center transit hub.
  • E. Broad Street Station (Philadelphia)
    Broad Street Station (Philadelphia) was a grand former railroad terminal in Center City Philadelphia that served as the Pennsylvania Railroad’s primary passenger station and a major hub of rail travel in the late 19th and early 20th centuries.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: endStationSeattle
Context triple: [Empire Builder, endStationSeattle, King Street Station]
  • A. terminusCity
    Indicates that a transportation route or service ends or has its final stop in a particular city.
  • B. terminusEast
    Indicates that one entity serves as the eastern endpoint or final stop of another entity, such as a route, line, or path.
  • C. finalCity
    Indicates that a given city is the last or ultimate city associated with an entity within a sequence, process, or journey.
  • D. hasRailStation chosen
    Indicates that one entity possesses, contains, or is served by a rail station.
  • E. hasBusInterchange
    Indicates that one transport-related entity includes, contains, or is associated with a bus interchange facility.
  • 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_69a25497e2f08190a040f8c6e1842643 completed Feb. 28, 2026, 2:36 a.m.
NER Named-entity recognition batch_69a2594940e48190a3d8efbce46241c3 completed Feb. 28, 2026, 2:56 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3441a5fb08190971136c2ec6e79ee completed Feb. 28, 2026, 7:38 p.m.
NEDg Description generation batch_69a344c87b608190afca7657bd702693 completed Feb. 28, 2026, 7:40 p.m.
NED2 Entity disambiguation (via description) batch_69a3452878c88190b5b8da3078006f40 completed Feb. 28, 2026, 7:42 p.m.
PD Predicate disambiguation batch_69a25672332081909386f35f3ca15dd2 completed Feb. 28, 2026, 2:44 a.m.
Created at: Feb. 28, 2026, 2:40 a.m.