Triple

T17578854
Position Surface form Disambiguated ID Type / Status
Subject Powhite Parkway Bridge E428143 entity
Predicate maintainedBy P86 FINISHED
Object Richmond Metropolitan Transportation Authority
The Richmond Metropolitan Transportation Authority is a regional public agency that develops, operates, and maintains toll roads, bridges, and parking facilities in the Richmond, Virginia area.
 E1276713 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: Richmond Metropolitan Transportation Authority | Statement: [Powhite Parkway Bridge, maintainedBy, Richmond Metropolitan Transportation Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Richmond Metropolitan Transportation Authority
Context triple: [Powhite Parkway Bridge, maintainedBy, Richmond Metropolitan Transportation Authority]
  • A. Butler Transit Authority
    Butler Transit Authority is the public transportation agency serving Butler and surrounding areas in western Pennsylvania, providing local and regional bus services.
  • B. Washington Metropolitan Area Transit Authority
    The Washington Metropolitan Area Transit Authority is the agency that manages public transportation services, including Metrorail and Metrobus, in the Washington, D.C. metropolitan region.
  • C. Metropolitan Atlanta Rapid Transit Authority (MARTA)
    The Metropolitan Atlanta Rapid Transit Authority (MARTA) is the primary public transportation agency serving the Atlanta metropolitan area, operating a network of heavy rail, bus, and paratransit services.
  • D. Franklin Regional Transit Authority
    Franklin Regional Transit Authority is a regional public transportation agency serving Greenfield and surrounding communities in Franklin County, Massachusetts.
  • E. Virginia Railway Express
    Virginia Railway Express is a commuter rail service that connects Northern Virginia suburbs with Washington, D.C., primarily serving daily work commuters.
  • 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: Richmond Metropolitan Transportation Authority
Triple: [Powhite Parkway Bridge, maintainedBy, Richmond Metropolitan Transportation Authority]
Generated description
The Richmond Metropolitan Transportation Authority is a regional public agency that develops, operates, and maintains toll roads, bridges, and parking facilities in the Richmond, Virginia area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Richmond Metropolitan Transportation Authority
Target entity description: The Richmond Metropolitan Transportation Authority is a regional public agency that develops, operates, and maintains toll roads, bridges, and parking facilities in the Richmond, Virginia area.
  • A. Butler Transit Authority
    Butler Transit Authority is the public transportation agency serving Butler and surrounding areas in western Pennsylvania, providing local and regional bus services.
  • B. Washington Metropolitan Area Transit Authority
    The Washington Metropolitan Area Transit Authority is the agency that manages public transportation services, including Metrorail and Metrobus, in the Washington, D.C. metropolitan region.
  • C. Metropolitan Atlanta Rapid Transit Authority (MARTA)
    The Metropolitan Atlanta Rapid Transit Authority (MARTA) is the primary public transportation agency serving the Atlanta metropolitan area, operating a network of heavy rail, bus, and paratransit services.
  • D. Franklin Regional Transit Authority
    Franklin Regional Transit Authority is a regional public transportation agency serving Greenfield and surrounding communities in Franklin County, Massachusetts.
  • E. Virginia Railway Express
    Virginia Railway Express is a commuter rail service that connects Northern Virginia suburbs with Washington, D.C., primarily serving daily work commuters.
  • 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_69d889e1030481909950e140c63255b9 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e463cc493c8190965680cf786aa531 completed April 19, 2026, 5:10 a.m.
NED1 Entity disambiguation (via context triple) batch_6a01ddedc4808190a9652fce605741af completed May 11, 2026, 1:47 p.m.
NEDg Description generation batch_6a01df4d2fbc8190b4ef534e988fdfe7 completed May 11, 2026, 1:53 p.m.
NED2 Entity disambiguation (via description) batch_6a01dff9c5708190bbb7df4dc376043e completed May 11, 2026, 1:56 p.m.
Created at: April 10, 2026, 5:50 a.m.