Triple

T913223
Position Surface form Disambiguated ID Type / Status
Subject Houston Museum District E19710 entity
Predicate servedBy P82 FINISHED
Object METRORail Red Line
The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
E134644 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: METRORail Red Line | Statement: [Houston Museum District, servedBy, METRORail Red Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: METRORail Red Line
Context triple: [Houston Museum District, servedBy, METRORail Red Line]
  • A. METRO Blue Line
    The METRO Blue Line is a major light rail transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with the Mall of America and Minneapolis–Saint Paul International Airport.
  • B. Metro E Line
    The Metro E Line is a light rail line in Los Angeles that runs between East Los Angeles and Santa Monica, providing a major east–west transit corridor across the city.
  • C. Red Line
    The Red Line is a major rapid transit route in the Boston metropolitan area, operated by the MBTA and running primarily north–south through key neighborhoods and suburbs.
  • D. Red Line
    The Red Line is one of the primary heavy-rail rapid transit routes in Atlanta’s MARTA system, running north–south and serving key destinations across the metropolitan area.
  • E. Red Line
    Red Line was the original name of Los Angeles Metro’s B Line, a heavy-rail subway corridor serving key neighborhoods between Downtown Los Angeles and North Hollywood.
  • 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: METRORail Red Line
Triple: [Houston Museum District, servedBy, METRORail Red Line]
Generated description
The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: METRORail Red Line
Target entity description: The METRORail Red Line is a light rail line in Houston, Texas, running through key central areas including downtown and the Museum District.
  • A. METRO Blue Line
    The METRO Blue Line is a major light rail transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with the Mall of America and Minneapolis–Saint Paul International Airport.
  • B. Metro E Line
    The Metro E Line is a light rail line in Los Angeles that runs between East Los Angeles and Santa Monica, providing a major east–west transit corridor across the city.
  • C. Red Line
    The Red Line is a major rapid transit route in the Boston metropolitan area, operated by the MBTA and running primarily north–south through key neighborhoods and suburbs.
  • D. Red Line
    The Red Line is one of the primary heavy-rail rapid transit routes in Atlanta’s MARTA system, running north–south and serving key destinations across the metropolitan area.
  • E. Red Line
    Red Line was the original name of Los Angeles Metro’s B Line, a heavy-rail subway corridor serving key neighborhoods between Downtown Los Angeles and North Hollywood.
  • 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_69a4939f91a08190ba68c2c81eab90fe completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4b2e196688190a7c15c9c538d0295 completed March 1, 2026, 9:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac6f023de4819099af23a8d30cb96f completed March 7, 2026, 6:31 p.m.
NEDg Description generation batch_69ac6f9c0da48190b8d5615ba582366c completed March 7, 2026, 6:34 p.m.
NED2 Entity disambiguation (via description) batch_69ac7009b52c8190a6f6962cf60de92d completed March 7, 2026, 6:35 p.m.
Created at: March 1, 2026, 7:39 p.m.