Triple

T6045022
Position Surface form Disambiguated ID Type / Status
Subject METRORail Red Line E134644 entity
Predicate hasStation P35 FINISHED
Object Main Street Square station
Main Street Square station is a light rail stop in downtown Houston, Texas, serving METRORail’s Red Line and providing access to nearby commercial and civic destinations.
 E573052 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: Main Street Square station | Statement: [METRORail Red Line, hasStation, Main Street Square station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Main Street Square station
Context triple: [METRORail Red Line, hasStation, Main Street Square station]
  • A. Main Street station
    Main Street station is a Toronto Transit Commission subway station in the city's east end that serves as a local hub for the Bloor–Danforth line and nearby surface transit routes.
  • B. North Avenue station
    North Avenue station is a transit stop on Baltimore's Light Rail system serving the North Avenue corridor in Baltimore, Maryland.
  • C. North Avenue station
    North Avenue station is a major elevated rail station in Quezon City, Philippines, serving as a key commuter hub on Manila’s MRT Line 3.
  • D. Market Center station
    Market Center station is a light rail stop in Dallas, Texas, served by DART’s Green Line and providing access to the nearby medical and market districts.
  • E. Washington Street station
    Washington Street station is a stop on the Newark Light Rail system serving passengers in downtown Newark, New Jersey.
  • 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: Main Street Square station
Triple: [METRORail Red Line, hasStation, Main Street Square station]
Generated description
Main Street Square station is a light rail stop in downtown Houston, Texas, serving METRORail’s Red Line and providing access to nearby commercial and civic destinations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Main Street Square station
Target entity description: Main Street Square station is a light rail stop in downtown Houston, Texas, serving METRORail’s Red Line and providing access to nearby commercial and civic destinations.
  • A. Main Street station
    Main Street station is a Toronto Transit Commission subway station in the city's east end that serves as a local hub for the Bloor–Danforth line and nearby surface transit routes.
  • B. North Avenue station
    North Avenue station is a transit stop on Baltimore's Light Rail system serving the North Avenue corridor in Baltimore, Maryland.
  • C. North Avenue station
    North Avenue station is a major elevated rail station in Quezon City, Philippines, serving as a key commuter hub on Manila’s MRT Line 3.
  • D. Market Center station
    Market Center station is a light rail stop in Dallas, Texas, served by DART’s Green Line and providing access to the nearby medical and market districts.
  • E. Washington Street station
    Washington Street station is a stop on the Newark Light Rail system serving passengers in downtown Newark, New Jersey.
  • 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_69c00876a69881908088a2626d3b2666 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c056e41f98819089c205ba6138faf0 completed March 22, 2026, 8:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69c14149f97081908d57c21652097ad3 completed March 23, 2026, 1:34 p.m.
NEDg Description generation batch_69c143417a9881909360412b1ed7be86 completed March 23, 2026, 1:42 p.m.
NED2 Entity disambiguation (via description) batch_69c143c59fe881909ccfd159bfdc753a completed March 23, 2026, 1:44 p.m.
Created at: March 22, 2026, 4:09 p.m.