Triple

T8846187
Position Surface form Disambiguated ID Type / Status
Subject L Line (Los Angeles Metro) E210510 entity
Predicate terminus P388 FINISHED
Object APU/Citrus College station
APU/Citrus College station is a light rail station in Azusa, California, serving the Los Angeles Metro Rail system near Azusa Pacific University and Citrus College.
 E760902 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: APU/Citrus College station | Statement: [L Line (Los Angeles Metro), terminus, APU/Citrus College station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: APU/Citrus College station
Context triple: [L Line (Los Angeles Metro), terminus, APU/Citrus College station]
  • A. 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.
  • B. Rancho Cucamonga station
    Rancho Cucamonga station is a commuter rail stop in Rancho Cucamonga, California, serving passengers on Southern California’s Metrolink network.
  • C. Covina station
    Covina station is a commuter rail stop in Covina, California, serving passengers on Metrolink’s San Bernardino Line in the Greater Los Angeles area.
  • D. Baldwin Park station
    Baldwin Park station is a commuter rail stop in Baldwin Park, California, served by Metrolink trains on the San Bernardino Line.
  • E. Culver City station
    Culver City station is a light rail transit stop in Culver City, California, serving as a key node on Los Angeles Metro’s E Line.
  • 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: APU/Citrus College station
Triple: [L Line (Los Angeles Metro), terminus, APU/Citrus College station]
Generated description
APU/Citrus College station is a light rail station in Azusa, California, serving the Los Angeles Metro Rail system near Azusa Pacific University and Citrus College.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: APU/Citrus College station
Target entity description: APU/Citrus College station is a light rail station in Azusa, California, serving the Los Angeles Metro Rail system near Azusa Pacific University and Citrus College.
  • A. 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.
  • B. Rancho Cucamonga station
    Rancho Cucamonga station is a commuter rail stop in Rancho Cucamonga, California, serving passengers on Southern California’s Metrolink network.
  • C. Covina station
    Covina station is a commuter rail stop in Covina, California, serving passengers on Metrolink’s San Bernardino Line in the Greater Los Angeles area.
  • D. Baldwin Park station
    Baldwin Park station is a commuter rail stop in Baldwin Park, California, served by Metrolink trains on the San Bernardino Line.
  • E. Culver City station
    Culver City station is a light rail transit stop in Culver City, California, serving as a key node on Los Angeles Metro’s E Line.
  • 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_69ca838967bc8190b46c3c80a2887ea4 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc60a7c518819095399976148e1b9a completed April 1, 2026, 12:02 a.m.
NED1 Entity disambiguation (via context triple) batch_69cf89b5acbc8190b0f5a81af71fc7aa completed April 3, 2026, 9:34 a.m.
NEDg Description generation batch_69cf8b4c15ac8190816f679de979b6b5 completed April 3, 2026, 9:41 a.m.
NED2 Entity disambiguation (via description) batch_69cf8bfdf55081909b71ef3e92c4928f completed April 3, 2026, 9:44 a.m.
Created at: March 30, 2026, 6:48 p.m.