Triple

T8134398
Position Surface form Disambiguated ID Type / Status
Subject Green Line (DART) E189932 entity
Predicate hasStation P35 FINISHED
Object Union Station
Union Station is a major public transit hub on Dallas Area Rapid Transit's Green Line, serving as a key connection point between light rail, commuter rail, and other transportation services in downtown Dallas, Texas.
E36553 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 | Statement: [Green Line (DART), hasStation, Union Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Union Station
Context triple: [Green Line (DART), hasStation, Union Station]
  • A. 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.
  • B. Union Station
    Union Station is a renowned American bluegrass and country band best known for its long-running collaboration with Alison Krauss and its virtuosic acoustic instrumentation.
  • 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 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.
  • 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
Triple: [Green Line (DART), hasStation, Union Station]
Generated description
Union Station is a major public transit hub on Dallas Area Rapid Transit's Green Line, serving as a key connection point between light rail, commuter rail, and other transportation services in downtown Dallas, Texas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Union Station
Target entity description: Union Station is a major public transit hub on Dallas Area Rapid Transit's Green Line, serving as a key connection point between light rail, commuter rail, and other transportation services in downtown Dallas, Texas.
  • A. Union Station chosen
    Union Station is a major historic transportation hub in downtown Dallas that serves as a key rail and transit connection point for the city.
  • 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 Toronto’s primary railway and transit hub, connecting regional and intercity trains with the city’s subway and streetcar network.
  • D. 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.
  • E. 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.
  • 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_69ca82bcb4848190a9a9d036ad768642 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb43bbae608190bdc1afe6f0ab83ae completed March 31, 2026, 3:47 a.m.
NED1 Entity disambiguation (via context triple) batch_69ccbec8491c81908362d44c42fc8568 completed April 1, 2026, 6:44 a.m.
NEDg Description generation batch_69ccc30f1fc48190991e0caa9ea6e735 completed April 1, 2026, 7:02 a.m.
NED2 Entity disambiguation (via description) batch_69ccd7eca618819081e0c5452c8b1960 completed April 1, 2026, 8:31 a.m.
Created at: March 30, 2026, 5:35 p.m.