Triple

T17174919
Position Surface form Disambiguated ID Type / Status
Subject North Line extension of Red Line E416833 entity
Predicate extendsFrom P1245 FINISHED
Object University of Houston–Downtown station area
The University of Houston–Downtown station area is an urban transit hub in downtown Houston that serves the University of Houston–Downtown campus and marks the northern end of the city’s central light rail corridor.
 E1254528 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: University of Houston–Downtown station area | Statement: [North Line extension of Red Line, extendsFrom, University of Houston–Downtown station area]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: University of Houston–Downtown station area
Context triple: [North Line extension of Red Line, extendsFrom, University of Houston–Downtown station area]
  • A. Union Station (Houston)
    Union Station (Houston) is the historic former train station in downtown Houston that now serves as the main entrance and lobby area of Minute Maid Park, home of the Houston Astros.
  • B. EaDo (East Downtown Houston)
    EaDo (East Downtown Houston) is a revitalized urban neighborhood just east of downtown Houston known for its sports venues, nightlife, and growing residential and entertainment scene.
  • C. University of Dallas Station
    University of Dallas Station is a light rail stop in Irving, Texas, serving the University of Dallas area on Dallas Area Rapid Transit’s Orange Line.
  • D. Berry Center of Northwest Houston
    The Berry Center of Northwest Houston is a large multi-purpose sports, entertainment, and educational complex serving the Cypress-Fairbanks community in the Houston metropolitan area.
  • E. Midtown Houston
    Midtown Houston is a centrally located, rapidly redeveloped Houston neighborhood known for its dense urban living, nightlife, and mixed-use residential and commercial spaces.
  • 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: University of Houston–Downtown station area
Triple: [North Line extension of Red Line, extendsFrom, University of Houston–Downtown station area]
Generated description
The University of Houston–Downtown station area is an urban transit hub in downtown Houston that serves the University of Houston–Downtown campus and marks the northern end of the city’s central light rail corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: University of Houston–Downtown station area
Target entity description: The University of Houston–Downtown station area is an urban transit hub in downtown Houston that serves the University of Houston–Downtown campus and marks the northern end of the city’s central light rail corridor.
  • A. Union Station (Houston)
    Union Station (Houston) is the historic former train station in downtown Houston that now serves as the main entrance and lobby area of Minute Maid Park, home of the Houston Astros.
  • B. EaDo (East Downtown Houston)
    EaDo (East Downtown Houston) is a revitalized urban neighborhood just east of downtown Houston known for its sports venues, nightlife, and growing residential and entertainment scene.
  • C. University of Dallas Station
    University of Dallas Station is a light rail stop in Irving, Texas, serving the University of Dallas area on Dallas Area Rapid Transit’s Orange Line.
  • D. Berry Center of Northwest Houston
    The Berry Center of Northwest Houston is a large multi-purpose sports, entertainment, and educational complex serving the Cypress-Fairbanks community in the Houston metropolitan area.
  • E. Midtown Houston
    Midtown Houston is a centrally located, rapidly redeveloped Houston neighborhood known for its dense urban living, nightlife, and mixed-use residential and commercial spaces.
  • F. None of above. chosen

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_69d886d5f34c8190b24564dfaa63f3fb completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3fc0c329081909f118bd4b7be8653 completed April 18, 2026, 9:47 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0148435f6081909bfc6cc1ef59d971 completed May 11, 2026, 3:08 a.m.
NEDg Description generation batch_6a014a4fdcf081908be68b1eda2066df completed May 11, 2026, 3:17 a.m.
NED2 Entity disambiguation (via description) batch_6a014adf25808190ad712fbd7560e91d completed May 11, 2026, 3:19 a.m.
Created at: April 10, 2026, 5:37 a.m.