Triple

T12945245
Position Surface form Disambiguated ID Type / Status
Subject D. H. Burnham & Company E309743 entity
Predicate designed P184 FINISHED
Object Union Station Washington, D.C.
Union Station in Washington, D.C. is a grand Beaux-Arts railway terminal and major transportation hub that also serves as a prominent civic and commercial landmark near the U.S. Capitol.
E214407 NE FINISHED

How this triple was built (4 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: [D. H. Burnham & Company, designed, 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: [D. H. Burnham & Company, designed, Union Station Washington, D.C.]
  • A. Union Station (Washington Metro)
    Union Station is a major Washington Metro station in Washington, D.C., serving as a key transit hub connected to the historic Union Station rail terminal and multiple local and regional transportation services.
  • B. Union Station
    Union Station is a historic train station and transportation hub in Worcester, Massachusetts, known for its grand Beaux-Arts architecture and role as a key gateway to the city.
  • C. Union Station
    Union Station was the historic central railway terminal in Ottawa, Canada, later repurposed as the Senate of Canada Building.
  • D. Union Station
    Union Station was a historic railroad terminal in downtown Houston, Texas, whose former site and preserved facade now form part of the Minute Maid Park baseball stadium complex.
  • E. Union Station
    Union Station is Toronto’s primary railway and transit hub, connecting regional and intercity trains with the city’s subway and streetcar network.
  • 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: Union Station Washington, D.C.
Triple: [D. H. Burnham & Company, designed, Union Station Washington, D.C.]
Generated description
Union Station in Washington, D.C. is a grand Beaux-Arts railway terminal and major transportation hub that also serves as a prominent civic and commercial landmark near the U.S. Capitol.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Union Station Washington, D.C.
Target entity description: Union Station in Washington, D.C. is a grand Beaux-Arts railway terminal and major transportation hub that also serves as a prominent civic and commercial landmark near the U.S. Capitol.
  • A. Union Station (Washington Metro) chosen
    Union Station is a major Washington Metro station in Washington, D.C., serving as a key transit hub connected to the historic Union Station rail terminal and multiple local and regional transportation services.
  • B. Union Station
    Union Station is Toronto’s primary railway and transit hub, connecting regional and intercity trains with the city’s subway and streetcar network.
  • C. Union Station
    Union Station is a major historic train and transportation hub in Seattle, Washington, serving as a landmark of the city's rail and transit network.
  • D. Union Station
    Union Station was a historic railroad terminal in downtown Houston, Texas, whose former site and preserved facade now form part of the Minute Maid Park baseball stadium complex.
  • E. Union Station
    "Union Station" is a 1950 American film noir crime thriller centered on a tense kidnapping case unfolding around a bustling urban train terminal.
  • F. None of above.

Provenance (5 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_69d7bdfb57a88190836b743e2825feca completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d97e1b3694819098527dcea3cfed93 completed April 10, 2026, 10:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6af73e6348190be114e8c5ad181bf completed May 3, 2026, 2:14 a.m.
NEDg Description generation batch_69f6b066f3888190b925e5a43be57965 completed May 3, 2026, 2:18 a.m.
NED2 Entity disambiguation (via description) batch_69f6b1ae645c8190a7c3e5f926c6a487 completed May 3, 2026, 2:23 a.m.
Created at: April 9, 2026, 5:43 p.m.