Triple

T790396
Position Surface form Disambiguated ID Type / Status
Subject Old Port E16899 entity
Predicate transportationAccess P941 FINISHED
Object Portland METRO bus system
The Portland METRO bus system is the primary public transit network serving the Greater Portland, Maine area, providing fixed-route bus service connecting downtown, surrounding neighborhoods, and nearby communities.
 E102471 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: Portland METRO bus system | Statement: [Old Port, transportationAccess, Portland METRO bus system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Portland METRO bus system
Context triple: [Old Port, transportationAccess, Portland METRO bus system]
  • A. TriMet Zone 1
    TriMet Zone 1 was a former central fare zone in Portland’s public transit system that included areas such as the Lloyd District.
  • B. Metro Transit
    Metro Transit is the primary public transportation agency for the Minneapolis–Saint Paul metropolitan area, operating buses, light rail, and commuter rail services.
  • C. Metro Bus
    Metro Bus is the primary public bus service network for Los Angeles County, providing extensive local and rapid transit across the region.
  • D. MiWay bus services
    MiWay bus services is the public transit system for the City of Mississauga, Ontario, operating local and express bus routes that connect the city with surrounding regions.
  • E. Portland Bureau of Transportation
    The Portland Bureau of Transportation is the city agency responsible for planning, building, managing, and maintaining Portland, Oregon’s transportation infrastructure and services.
  • 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: Portland METRO bus system
Triple: [Old Port, transportationAccess, Portland METRO bus system]
Generated description
The Portland METRO bus system is the primary public transit network serving the Greater Portland, Maine area, providing fixed-route bus service connecting downtown, surrounding neighborhoods, and nearby communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Portland METRO bus system
Target entity description: The Portland METRO bus system is the primary public transit network serving the Greater Portland, Maine area, providing fixed-route bus service connecting downtown, surrounding neighborhoods, and nearby communities.
  • A. TriMet Zone 1
    TriMet Zone 1 was a former central fare zone in Portland’s public transit system that included areas such as the Lloyd District.
  • B. Metro Transit
    Metro Transit is the primary public transportation agency for the Minneapolis–Saint Paul metropolitan area, operating buses, light rail, and commuter rail services.
  • C. Metro Bus
    Metro Bus is the primary public bus service network for Los Angeles County, providing extensive local and rapid transit across the region.
  • D. MiWay bus services
    MiWay bus services is the public transit system for the City of Mississauga, Ontario, operating local and express bus routes that connect the city with surrounding regions.
  • E. Portland Bureau of Transportation
    The Portland Bureau of Transportation is the city agency responsible for planning, building, managing, and maintaining Portland, Oregon’s transportation infrastructure and services.
  • 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_69a4936cb7448190914f5fe4b8d81607 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a79754988190ab494b1c54d6a2a4 completed March 1, 2026, 8:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7a3afbb0c8190b4e7aa7824c8b787 completed March 4, 2026, 3:14 a.m.
NEDg Description generation batch_69a7a6b6741081908d14a974a7f55fbc completed March 4, 2026, 3:27 a.m.
NED2 Entity disambiguation (via description) batch_69a7a8ad0c2c8190921ace3db1cd2608 completed March 4, 2026, 3:36 a.m.
Created at: March 1, 2026, 7:38 p.m.