Triple

T5226493
Position Surface form Disambiguated ID Type / Status
Subject Metrolink 91/Perris Valley Line E118000 entity
Predicate hasStation P35 FINISHED
Object Fullerton station
Fullerton station is a major intermodal rail hub in Fullerton, California, serving Amtrak, Metrolink commuter trains, and local transit connections.
 E511213 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 station | Statement: [Metrolink 91/Perris Valley Line, hasStation, Fullerton station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fullerton station
Context triple: [Metrolink 91/Perris Valley Line, hasStation, Fullerton station]
  • 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. Irvine station
    Irvine station is a major multimodal transportation hub in Irvine, California, serving commuter rail and bus services for the surrounding region.
  • C. Santa Ana station
    Santa Ana station is a major intermodal rail and bus transit hub in Santa Ana, California, serving regional commuter rail and Amtrak services.
  • D. Santa Ana station
    Santa Ana station is an underground interchange stop on the Santiago Metro in Chile, serving as a key connection point between multiple lines in the city’s rapid transit network.
  • E. San Bernardino–Downtown station
    San Bernardino–Downtown station is a commuter rail and transit hub in downtown San Bernardino, California, serving Metrolink trains and local bus connections.
  • 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 station
Triple: [Metrolink 91/Perris Valley Line, hasStation, Fullerton station]
Generated description
Fullerton station is a major intermodal rail hub in Fullerton, California, serving Amtrak, Metrolink commuter trains, and local transit connections.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Fullerton station
Target entity description: Fullerton station is a major intermodal rail hub in Fullerton, California, serving Amtrak, Metrolink commuter trains, and local transit connections.
  • 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. Irvine station
    Irvine station is a major multimodal transportation hub in Irvine, California, serving commuter rail and bus services for the surrounding region.
  • C. Santa Ana station
    Santa Ana station is a major intermodal rail and bus transit hub in Santa Ana, California, serving regional commuter rail and Amtrak services.
  • D. Santa Ana station
    Santa Ana station is an underground interchange stop on the Santiago Metro in Chile, serving as a key connection point between multiple lines in the city’s rapid transit network.
  • E. San Bernardino–Downtown station
    San Bernardino–Downtown station is a commuter rail and transit hub in downtown San Bernardino, California, serving Metrolink trains and local bus connections.
  • 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_69bd4466fb8c819083b806a79414d7e4 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd7adc9be081909903b9f844c3d146 completed March 20, 2026, 4:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf1873a8608190b07f1152df8e2e5d completed March 21, 2026, 10:15 p.m.
NEDg Description generation batch_69bf19057b10819091cbe4204cf74a81 completed March 21, 2026, 10:17 p.m.
NED2 Entity disambiguation (via description) batch_69bf195e7be88190a7655d18471b1662 completed March 21, 2026, 10:19 p.m.
Created at: March 20, 2026, 1:48 p.m.