Triple

T17796499
Position Surface form Disambiguated ID Type / Status
Subject TriMet transit centers E444305 entity
Predicate usedBy P260 FINISHED
Object TriMet MAX Light Rail lines
TriMet MAX Light Rail lines are the primary electric light rail system serving the Portland, Oregon metropolitan area, connecting key neighborhoods, suburbs, and transit hubs across multiple color-coded routes.
 E1291881 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 lines | Statement: [TriMet transit centers, usedBy, TriMet MAX Light Rail lines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: TriMet MAX Light Rail lines
Context triple: [TriMet transit centers, usedBy, TriMet MAX Light Rail lines]
  • 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 MAX Green Line
    The TriMet MAX Green Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland to the Clackamas Town Center, serving key destinations such as the Oregon Convention Center along its route.
  • C. TriMet MAX Red Line
    The TriMet MAX Red Line is a light rail service in the Portland, Oregon metropolitan area that connects Portland International Airport with downtown and Beaverton.
  • D. TriMet WES Commuter Rail stations
    TriMet WES Commuter Rail stations are a set of suburban rail stops in the Portland, Oregon metropolitan area that serve the Westside Express Service commuter line.
  • E. 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.
  • 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 lines
Triple: [TriMet transit centers, usedBy, TriMet MAX Light Rail lines]
Generated description
TriMet MAX Light Rail lines are the primary electric light rail system serving the Portland, Oregon metropolitan area, connecting key neighborhoods, suburbs, and transit hubs across multiple color-coded routes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: TriMet MAX Light Rail lines
Target entity description: TriMet MAX Light Rail lines are the primary electric light rail system serving the Portland, Oregon metropolitan area, connecting key neighborhoods, suburbs, and transit hubs across multiple color-coded routes.
  • 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 MAX Green Line
    The TriMet MAX Green Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland to the Clackamas Town Center, serving key destinations such as the Oregon Convention Center along its route.
  • C. TriMet MAX Red Line
    The TriMet MAX Red Line is a light rail service in the Portland, Oregon metropolitan area that connects Portland International Airport with downtown and Beaverton.
  • D. TriMet WES Commuter Rail stations
    TriMet WES Commuter Rail stations are a set of suburban rail stops in the Portland, Oregon metropolitan area that serve the Westside Express Service commuter line.
  • E. 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.
  • 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_69d8b9efe370819095cd219b143ae727 completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e487fafc2c8190b28e791267c47e3c completed April 19, 2026, 7:44 a.m.
NED1 Entity disambiguation (via context triple) batch_6a030c5557788190bfd7b9af6d8d3035 completed May 12, 2026, 11:17 a.m.
NEDg Description generation batch_6a030cf60a9c8190903b3b563238b575 completed May 12, 2026, 11:20 a.m.
NED2 Entity disambiguation (via description) batch_6a030d8a3a1c81909e311d19201bbd42 completed May 12, 2026, 11:22 a.m.
Created at: April 10, 2026, 10:13 a.m.