Triple

T4971689
Position Surface form Disambiguated ID Type / Status
Subject Metrolink Antelope Valley Line E111665 entity
Predicate hasStation P35 FINISHED
Object 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.
 E487945 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: Santa Clarita station | Statement: [Metrolink Antelope Valley Line, hasStation, Santa Clarita station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Santa Clarita station
Context triple: [Metrolink Antelope Valley Line, hasStation, Santa Clarita station]
  • A. 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.
  • B. Maywood station
    Maywood station is a commuter rail stop in Maywood, Illinois, serving Metra's Union Pacific West Line in the Chicago metropolitan area.
  • C. 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.
  • D. Long Beach station
    Long Beach station is a Long Island Rail Road commuter rail terminal located in the city of Long Beach on the south shore of Long Island, New York.
  • E. San Leandro station
    San Leandro station is a Bay Area Rapid Transit (BART) station in San Leandro, California, serving as a key stop on lines connecting the East Bay with the broader San Francisco Bay Area rail network.
  • 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: Santa Clarita station
Triple: [Metrolink Antelope Valley Line, hasStation, Santa Clarita station]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Santa Clarita station
Target entity description: 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.
  • A. 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.
  • B. Maywood station
    Maywood station is a commuter rail stop in Maywood, Illinois, serving Metra's Union Pacific West Line in the Chicago metropolitan area.
  • C. 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.
  • D. Long Beach station
    Long Beach station is a Long Island Rail Road commuter rail terminal located in the city of Long Beach on the south shore of Long Island, New York.
  • E. San Leandro station
    San Leandro station is a Bay Area Rapid Transit (BART) station in San Leandro, California, serving as a key stop on lines connecting the East Bay with the broader San Francisco Bay Area rail network.
  • 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_69bd441a0eb481908050fa4273b19eae completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd7214e18c81909db1c838a4cce78d completed March 20, 2026, 4:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69be9c4ecaec8190ab927d1b91258005 completed March 21, 2026, 1:25 p.m.
NEDg Description generation batch_69be9cc05a90819093cee49d67495e33 completed March 21, 2026, 1:27 p.m.
NED2 Entity disambiguation (via description) batch_69be9d1bca1081909d9491e7d5e351a1 completed March 21, 2026, 1:28 p.m.
Created at: March 20, 2026, 1:33 p.m.