Triple

T8508294
Position Surface form Disambiguated ID Type / Status
Subject Inland Empire–Orange County Line E201389 entity
Predicate servesStation P839 FINISHED
Object Tustin station
Tustin station is a commuter rail station in Tustin, California, serving Metrolink passengers in the Orange County area.
 E739501 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: Tustin station | Statement: [Inland Empire–Orange County Line, servesStation, Tustin station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tustin station
Context triple: [Inland Empire–Orange County Line, servesStation, Tustin station]
  • A. Irvine station
    Irvine station is a major multimodal transportation hub in Irvine, California, serving commuter rail and bus services for the surrounding region.
  • B. 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.
  • C. Fullerton station
    Fullerton station is a major intermodal rail hub in Fullerton, California, serving Amtrak, Metrolink commuter trains, and local transit connections.
  • D. Encinitas station
    Encinitas station is a coastal commuter rail stop in Encinitas, California, served by the Coaster line in San Diego County.
  • E. Santa Clarita station
    Santa Clarita station is a commuter rail stop in Santa Clarita, California, serving passengers on Metrolink’s Antelope Valley Line between Los Angeles and the high desert communities to the north.
  • 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: Tustin station
Triple: [Inland Empire–Orange County Line, servesStation, Tustin station]
Generated description
Tustin station is a commuter rail station in Tustin, California, serving Metrolink passengers in the Orange County area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tustin station
Target entity description: Tustin station is a commuter rail station in Tustin, California, serving Metrolink passengers in the Orange County area.
  • A. Irvine station
    Irvine station is a major multimodal transportation hub in Irvine, California, serving commuter rail and bus services for the surrounding region.
  • B. Fullerton station
    Fullerton station is a major intermodal rail hub in Fullerton, California, serving Amtrak, Metrolink commuter trains, and local transit connections.
  • C. 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.
  • D. Encinitas station
    Encinitas station is a coastal commuter rail stop in Encinitas, California, served by the Coaster line in San Diego County.
  • E. Santa Clarita station
    Santa Clarita station is a commuter rail stop in Santa Clarita, California, serving passengers on Metrolink’s Antelope Valley Line between Los Angeles and the high desert communities to the north.
  • 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_69ca8320e5748190ac2c585a0bba8193 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cbe5df74e8819086b1445cc907e371 completed March 31, 2026, 3:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69ce4e37b0548190908632fd167efac1 completed April 2, 2026, 11:08 a.m.
NEDg Description generation batch_69ce5245c69c8190a2cd9a23954872e5 completed April 2, 2026, 11:25 a.m.
NED2 Entity disambiguation (via description) batch_69ce52d5c264819098e20971a8093acf completed April 2, 2026, 11:28 a.m.
Created at: March 30, 2026, 6:15 p.m.