Triple

T989131
Position Surface form Disambiguated ID Type / Status
Subject Southwest Chief E21346 entity
Predicate stopsAt P6657 FINISHED
Object Fullerton Transportation Center
Fullerton Transportation Center is a major rail and bus transit hub in Fullerton, California, serving Amtrak, Metrolink, and local transportation services.
 E124354 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: Fullerton Transportation Center | Statement: [Southwest Chief, stopsAt, Fullerton Transportation Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fullerton Transportation Center
Context triple: [Southwest Chief, stopsAt, Fullerton Transportation Center]
  • A. Fullerton station
    Fullerton station is a major Chicago 'L' transit hub in the Lincoln Park neighborhood, serving multiple CTA lines and providing access to DePaul University and the surrounding area.
  • B. Fern Rock Transportation Center
    Fern Rock Transportation Center is a major multimodal transit hub in North Philadelphia that serves as a key subway, regional rail, and bus interchange in the SEPTA system.
  • C. Rose Quarter Transit Center
    Rose Quarter Transit Center is a major public transit hub in Portland, Oregon, serving multiple MAX light rail lines and bus routes near the city’s Rose Quarter sports and entertainment district.
  • D. Gresham Central Transit Center
    Gresham Central Transit Center is a major public transportation hub in Gresham, Oregon, serving as a key stop on the MAX Light Rail system and connecting multiple bus routes.
  • E. Wilshire/Vermont station
    Wilshire/Vermont station is a major underground Los Angeles Metro Rail hub in Koreatown where multiple lines intersect, serving as a key transfer point for 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: Fullerton Transportation Center
Triple: [Southwest Chief, stopsAt, Fullerton Transportation Center]
Generated description
Fullerton Transportation Center is a major rail and bus transit hub in Fullerton, California, serving Amtrak, Metrolink, and local transportation services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Fullerton Transportation Center
Target entity description: Fullerton Transportation Center is a major rail and bus transit hub in Fullerton, California, serving Amtrak, Metrolink, and local transportation services.
  • A. Fullerton station
    Fullerton station is a major Chicago 'L' transit hub in the Lincoln Park neighborhood, serving multiple CTA lines and providing access to DePaul University and the surrounding area.
  • B. Fern Rock Transportation Center
    Fern Rock Transportation Center is a major multimodal transit hub in North Philadelphia that serves as a key subway, regional rail, and bus interchange in the SEPTA system.
  • C. Rose Quarter Transit Center
    Rose Quarter Transit Center is a major public transit hub in Portland, Oregon, serving multiple MAX light rail lines and bus routes near the city’s Rose Quarter sports and entertainment district.
  • D. Gresham Central Transit Center
    Gresham Central Transit Center is a major public transportation hub in Gresham, Oregon, serving as a key stop on the MAX Light Rail system and connecting multiple bus routes.
  • E. Wilshire/Vermont station
    Wilshire/Vermont station is a major underground Los Angeles Metro Rail hub in Koreatown where multiple lines intersect, serving as a key transfer point for 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_69a493c383dc8190a03257f22d4b4183 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b4aa16f081909dcc7a7ce3fb1b64 completed March 1, 2026, 9:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac4289acc88190886ac8971297b1f8 completed March 7, 2026, 3:21 p.m.
NEDg Description generation batch_69ac4365965881909ff2cdf8eda07f91 completed March 7, 2026, 3:25 p.m.
NED2 Entity disambiguation (via description) batch_69ac43d1cd1c8190852f8811703ebd5f completed March 7, 2026, 3:27 p.m.
Created at: March 1, 2026, 7:41 p.m.