Triple

T13715761
Position Surface form Disambiguated ID Type / Status
Subject WMATA Metrobus routes E328893 entity
Predicate partOf P40 FINISHED
Object WMATA Metrobus system
The WMATA Metrobus system is the public bus network serving Washington, D.C. and its surrounding metropolitan area, operated by the Washington Metropolitan Area Transit Authority as a key component of the region’s transit infrastructure.
 E328893 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: WMATA Metrobus system | Statement: [WMATA Metrobus routes, partOf, WMATA Metrobus system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: WMATA Metrobus system
Context triple: [WMATA Metrobus routes, partOf, WMATA Metrobus system]
  • A. WMATA Metrobus routes
    WMATA Metrobus routes are a network of public bus lines operated by the Washington Metropolitan Area Transit Authority serving Washington, D.C. and its surrounding suburbs.
  • B. Washington Metro
    Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
  • C. 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.
  • D. Fairfax Connector bus system
    The Fairfax Connector bus system is a public transit network in Northern Virginia that provides local and commuter bus services throughout Fairfax County and surrounding areas.
  • E. Arlington Transit bus service
    Arlington Transit bus service is a local public bus system in Arlington, Virginia that provides neighborhood and commuter routes connecting areas such as Clarendon to key destinations across the county and regional transit 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: WMATA Metrobus system
Triple: [WMATA Metrobus routes, partOf, WMATA Metrobus system]
Generated description
The WMATA Metrobus system is the public bus network serving Washington, D.C. and its surrounding metropolitan area, operated by the Washington Metropolitan Area Transit Authority as a key component of the region’s transit infrastructure.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: WMATA Metrobus system
Target entity description: The WMATA Metrobus system is the public bus network serving Washington, D.C. and its surrounding metropolitan area, operated by the Washington Metropolitan Area Transit Authority as a key component of the region’s transit infrastructure.
  • A. WMATA Metrobus routes chosen
    WMATA Metrobus routes are a network of public bus lines operated by the Washington Metropolitan Area Transit Authority serving Washington, D.C. and its surrounding suburbs.
  • B. Washington Metro
    Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
  • C. 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.
  • D. Fairfax Connector bus system
    The Fairfax Connector bus system is a public transit network in Northern Virginia that provides local and commuter bus services throughout Fairfax County and surrounding areas.
  • E. Arlington Transit bus service
    Arlington Transit bus service is a local public bus system in Arlington, Virginia that provides neighborhood and commuter routes connecting areas such as Clarendon to key destinations across the county and regional transit network.
  • 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_69d80770b9bc81909f70c8c317d53cff completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dd43973cf08190a417d0cca9dd314a completed April 13, 2026, 7:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69f79d5878948190a2aaab2ba31bd1ed completed May 3, 2026, 7:09 p.m.
NEDg Description generation batch_69f79e9e6ff88190b031fb1403cacabc completed May 3, 2026, 7:14 p.m.
NED2 Entity disambiguation (via description) batch_69f7a2d6e7ec81908a4cbc324e793c24 completed May 3, 2026, 7:32 p.m.
Created at: April 9, 2026, 9:54 p.m.