Triple

T7509077
Position Surface form Disambiguated ID Type / Status
Subject Denver RTD E177468 entity
Predicate operates P24 FINISHED
Object FasTracks rail lines
FasTracks rail lines are a network of commuter and light rail transit corridors in the Denver metropolitan area developed to expand regional public transportation and improve connectivity.
 E670207 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: FasTracks rail lines | Statement: [Denver RTD, operates, FasTracks rail lines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: FasTracks rail lines
Context triple: [Denver RTD, operates, FasTracks rail lines]
  • A. L Line (Denver light rail)
    The L Line is a light rail service in Denver, Colorado, that runs through the city’s central and northeastern neighborhoods as part of the Denver RTD rail network.
  • B. R Line (Denver light rail)
    The R Line is a light rail service in the Denver metropolitan area that runs primarily through Aurora, Colorado, connecting key suburbs, employment centers, and transfer points within the Regional Transportation District network.
  • C. E Line (Denver light rail)
    The E Line is a light rail service in the Denver metropolitan area that connects downtown Denver with southern suburbs as part of the region’s RTD rail network.
  • D. TRAX light rail
    TRAX light rail is a public transit light rail system in the Salt Lake City metropolitan area of Utah, operated by the Utah Transit Authority.
  • E. H Line (Denver light rail)
    The H Line is a light rail service in the Denver metropolitan area that connects downtown Denver with southeastern suburbs as part of the region’s RTD rail network.
  • 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: FasTracks rail lines
Triple: [Denver RTD, operates, FasTracks rail lines]
Generated description
FasTracks rail lines are a network of commuter and light rail transit corridors in the Denver metropolitan area developed to expand regional public transportation and improve connectivity.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: FasTracks rail lines
Target entity description: FasTracks rail lines are a network of commuter and light rail transit corridors in the Denver metropolitan area developed to expand regional public transportation and improve connectivity.
  • A. L Line (Denver light rail)
    The L Line is a light rail service in Denver, Colorado, that runs through the city’s central and northeastern neighborhoods as part of the Denver RTD rail network.
  • B. R Line (Denver light rail)
    The R Line is a light rail service in the Denver metropolitan area that runs primarily through Aurora, Colorado, connecting key suburbs, employment centers, and transfer points within the Regional Transportation District network.
  • C. E Line (Denver light rail)
    The E Line is a light rail service in the Denver metropolitan area that connects downtown Denver with southern suburbs as part of the region’s RTD rail network.
  • D. TRAX light rail
    TRAX light rail is a public transit light rail system in the Salt Lake City metropolitan area of Utah, operated by the Utah Transit Authority.
  • E. H Line (Denver light rail)
    The H Line is a light rail service in the Denver metropolitan area that connects downtown Denver with southeastern suburbs as part of the region’s RTD rail network.
  • 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_69c69f276b108190af2cc790b6554544 completed March 27, 2026, 3:15 p.m.
NER Named-entity recognition batch_69c6f5d052888190ae8678f9134d737c completed March 27, 2026, 9:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8461035b48190ba08c0f759cafe4a completed March 28, 2026, 9:20 p.m.
NEDg Description generation batch_69c84754ec048190be1e37c2189b56ed completed March 28, 2026, 9:25 p.m.
NED2 Entity disambiguation (via description) batch_69c848026e90819098d0b419101f91e1 completed March 28, 2026, 9:28 p.m.
Created at: March 27, 2026, 3:45 p.m.