Triple

T5180806
Position Surface form Disambiguated ID Type / Status
Subject Pioneer Courthouse Square station E116914 entity
Predicate partOf P40 FINISHED
Object TriMet MAX Light Rail system
The TriMet MAX Light Rail system is a regional light rail network serving the Portland, Oregon metropolitan area, connecting downtown with surrounding neighborhoods and suburbs.
 E1080 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: TriMet MAX Light Rail system | Statement: [Pioneer Courthouse Square station, partOf, TriMet MAX Light Rail system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: TriMet MAX Light Rail system
Context triple: [Pioneer Courthouse Square station, partOf, TriMet MAX Light Rail system]
  • A. TriMet MAX Light Rail stations
    TriMet MAX Light Rail stations are the network of light rail stops in the Portland, Oregon metropolitan area served by TriMet’s MAX rapid transit system.
  • B. TriMet
    TriMet is the regional public transportation agency serving the Portland, Oregon metropolitan area, operating buses, light rail, and commuter rail services.
  • C. 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.
  • D. TriMet transit centers
    TriMet transit centers are major public transportation hubs in the Portland, Oregon metropolitan area where multiple bus and light rail lines connect to facilitate transfers and regional travel.
  • E. Rio Metro Regional Transit District
    Rio Metro Regional Transit District is a public transportation agency in central New Mexico that oversees regional commuter rail and bus services, including the New Mexico Rail Runner Express.
  • 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: TriMet MAX Light Rail system
Triple: [Pioneer Courthouse Square station, partOf, TriMet MAX Light Rail system]
Generated description
The TriMet MAX Light Rail system is a regional light rail network serving the Portland, Oregon metropolitan area, connecting downtown with surrounding neighborhoods and suburbs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: TriMet MAX Light Rail system
Target entity description: The TriMet MAX Light Rail system is a regional light rail network serving the Portland, Oregon metropolitan area, connecting downtown with surrounding neighborhoods and suburbs.
  • A. TriMet MAX Light Rail stations
    TriMet MAX Light Rail stations are the network of light rail stops in the Portland, Oregon metropolitan area served by TriMet’s MAX rapid transit system.
  • B. TriMet chosen
    TriMet is the regional public transportation agency serving the Portland, Oregon metropolitan area, operating buses, light rail, and commuter rail services.
  • C. 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.
  • D. TriMet transit centers
    TriMet transit centers are major public transportation hubs in the Portland, Oregon metropolitan area where multiple bus and light rail lines connect to facilitate transfers and regional travel.
  • E. Rio Metro Regional Transit District
    Rio Metro Regional Transit District is a public transportation agency in central New Mexico that oversees regional commuter rail and bus services, including the New Mexico Rail Runner Express.
  • 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_69bd446140f08190becb93c61158f27f completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd799a322c8190b8a590cfe70761f5 completed March 20, 2026, 4:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69beefb2464081909ee9f05788ef5c30 completed March 21, 2026, 7:21 p.m.
NEDg Description generation batch_69bef05ed6188190a86ec2a3bebd21dc completed March 21, 2026, 7:24 p.m.
NED2 Entity disambiguation (via description) batch_69bef0e41b508190baca5e15efb65ee9 completed March 21, 2026, 7:26 p.m.
Created at: March 20, 2026, 1:45 p.m.