Triple

T21170143
Position Surface form Disambiguated ID Type / Status
Subject Capital Metropolitan Transportation Authority E521668 entity
Predicate operates P24 FINISHED
Object MetroAccess
MetroAccess is a paratransit service providing door-to-door transportation for riders with disabilities who are unable to use regular fixed-route public transit.
 E16029 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: MetroAccess | Statement: [Capital Metropolitan Transportation Authority, operates, MetroAccess]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MetroAccess
Context triple: [Capital Metropolitan Transportation Authority, operates, MetroAccess]
  • A. MetroAccess
    MetroAccess is a paratransit service providing door-to-door transportation for people with disabilities in the Washington, D.C. metropolitan area.
  • B. MetroRide
    MetroRide is a free downtown Denver circulator bus service providing frequent, short-distance connections within the city center.
  • C. RTC Transit
    RTC Transit is the public bus system serving the Las Vegas Valley in Nevada, providing transportation to major destinations including Allegiant Stadium.
  • D. Transport Board
    The Transport Board was a British government body responsible for organizing and managing naval and military transport, particularly for the Royal Navy during the age of sail.
  • 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: MetroAccess
Triple: [Capital Metropolitan Transportation Authority, operates, MetroAccess]
Generated description
MetroAccess is a paratransit service providing door-to-door transportation for riders with disabilities who are unable to use regular fixed-route public transit.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MetroAccess
Target entity description: MetroAccess is a paratransit service providing door-to-door transportation for riders with disabilities who are unable to use regular fixed-route public transit.
  • A. MetroAccess chosen
    MetroAccess is a paratransit service providing door-to-door transportation for people with disabilities in the Washington, D.C. metropolitan area.
  • B. MetroRide
    MetroRide is a free downtown Denver circulator bus service providing frequent, short-distance connections within the city center.
  • C. RTC Transit
    RTC Transit is the public bus system serving the Las Vegas Valley in Nevada, providing transportation to major destinations including Allegiant Stadium.
  • D. Transport Board
    The Transport Board was a British government body responsible for organizing and managing naval and military transport, particularly for the Royal Navy during the age of sail.
  • E. Metro Rail
    Metro Rail is the light rail rapid transit system serving the Buffalo–Niagara region of New York.
  • F. None of above.

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_69e0b50e30748190b186824a206d39b9 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e72712893081908e394ccc7e0cbb53 completed April 21, 2026, 7:28 a.m.
NED1 Entity disambiguation (via context triple) batch_6a097573a08481909695019432940d39 completed May 17, 2026, 7:59 a.m.
NEDg Description generation batch_6a09764338fc8190be908a6fa9457d18 completed May 17, 2026, 8:03 a.m.
NED2 Entity disambiguation (via description) batch_6a0978016f188190b8e2d2c7b1b01977 completed May 17, 2026, 8:10 a.m.
Created at: April 16, 2026, 3 p.m.