Triple

T22798918
Position Surface form Disambiguated ID Type / Status
Subject Northline Transit Center/HCC station E564327 entity
Predicate partOf P40 FINISHED
Object METRORail system
The METRORail system is Houston, Texas’s light rail network that provides urban public transit across key corridors in the city.
E1557159 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 system | Statement: [Northline Transit Center/HCC station, partOf, METRORail system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: METRORail system
Context triple: [Northline Transit Center/HCC station, partOf, METRORail system]
  • A. Metrorail
    Metrorail is the rapid transit system serving the Washington, D.C. metropolitan area, operated by the Washington Metropolitan Area Transit Authority (WMATA).
  • B. Metrorail
    Metrorail is Miami-Dade County’s elevated rapid transit system that connects key neighborhoods, suburbs, and downtown Miami.
  • C. Metrorail
    Metrorail is a South African commuter rail service that operates urban and suburban passenger trains in major metropolitan areas across the country.
  • D. Metro Rail
    Metro Rail is the urban rapid transit rail system serving Los Angeles County, providing light rail and subway services across the region.
  • E. Metro Rail
    Metro Rail is the light rail rapid transit system serving the Buffalo–Niagara region of New York.
  • 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 system
Triple: [Northline Transit Center/HCC station, partOf, METRORail system]
Generated description
The METRORail system is Houston, Texas’s light rail network that provides urban public transit across key corridors in the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: METRORail system
Target entity description: The METRORail system is Houston, Texas’s light rail network that provides urban public transit across key corridors in the city.
  • A. Metrorail
    Metrorail is the rapid transit system serving the Washington, D.C. metropolitan area, operated by the Washington Metropolitan Area Transit Authority (WMATA).
  • B. Metrorail
    Metrorail is Miami-Dade County’s elevated rapid transit system that connects key neighborhoods, suburbs, and downtown Miami.
  • C. Metrorail
    Metrorail is a South African commuter rail service that operates urban and suburban passenger trains in major metropolitan areas across the country.
  • D. Metro Rail
    Metro Rail is the urban rapid transit rail system serving Los Angeles County, providing light rail and subway services across the region.
  • E. Metro Rail
    Metro Rail is the light rail rapid transit system serving the Buffalo–Niagara region of New York.
  • 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_69e2458185f88190b0045227ee420411 completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f17cdb6ba48190936bd356704c1241 completed April 29, 2026, 3:36 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0ba7a2394481909a7829a69df92863 completed May 18, 2026, 11:58 p.m.
NEDg Description generation batch_6a0ba8560e8c819098ffd01e1834a137 completed May 19, 2026, 12:01 a.m.
NED2 Entity disambiguation (via description) batch_6a0ba9c4bf048190abd9887498fa3621 completed May 19, 2026, 12:07 a.m.
Created at: April 17, 2026, 3:31 p.m.