Triple

T23396857
Position Surface form Disambiguated ID Type / Status
Subject Metrolink San Bernardino Line station (Claremont) E559382 entity
Predicate partOfCorridor P840 FINISHED
Object Los Angeles–San Bernardino rail corridor
The Los Angeles–San Bernardino rail corridor is a major commuter and intercity rail route in Southern California connecting downtown Los Angeles with the Inland Empire, serving numerous communities along its heavily traveled east–west alignment.
E1582862 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: Los Angeles–San Bernardino rail corridor | Statement: [Metrolink San Bernardino Line station (Claremont), partOfCorridor, Los Angeles–San Bernardino rail corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Los Angeles–San Bernardino rail corridor
Context triple: [Metrolink San Bernardino Line station (Claremont), partOfCorridor, Los Angeles–San Bernardino rail corridor]
  • A. Los Angeles–San Diego rail corridor
    The Los Angeles–San Diego rail corridor is a major Southern California passenger and freight rail route running along the coast between the Los Angeles and San Diego metropolitan areas.
  • B. Los Angeles–Long Beach light rail corridor
    The Los Angeles–Long Beach light rail corridor is a major urban transit route in Southern California that connects downtown Los Angeles with the city of Long Beach via light rail service.
  • C. Los Angeles–Seattle rail corridor
    The Los Angeles–Seattle rail corridor is a major long-distance passenger rail route in the western United States, connecting Southern California with the Pacific Northwest along the coast.
  • D. Las Vegas–Southern California corridor
    The Las Vegas–Southern California corridor is a heavily traveled travel and commerce route linking the Las Vegas metropolitan area with major population centers in Southern California.
  • E. Los Angeles–New Orleans rail corridor
    The Los Angeles–New Orleans rail corridor is a major transcontinental rail route linking Southern California to the U.S. Gulf Coast, used for both freight and long-distance passenger service.
  • 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: Los Angeles–San Bernardino rail corridor
Triple: [Metrolink San Bernardino Line station (Claremont), partOfCorridor, Los Angeles–San Bernardino rail corridor]
Generated description
The Los Angeles–San Bernardino rail corridor is a major commuter and intercity rail route in Southern California connecting downtown Los Angeles with the Inland Empire, serving numerous communities along its heavily traveled east–west alignment.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Los Angeles–San Bernardino rail corridor
Target entity description: The Los Angeles–San Bernardino rail corridor is a major commuter and intercity rail route in Southern California connecting downtown Los Angeles with the Inland Empire, serving numerous communities along its heavily traveled east–west alignment.
  • A. Los Angeles–San Diego rail corridor
    The Los Angeles–San Diego rail corridor is a major Southern California passenger and freight rail route running along the coast between the Los Angeles and San Diego metropolitan areas.
  • B. Los Angeles–Long Beach light rail corridor
    The Los Angeles–Long Beach light rail corridor is a major urban transit route in Southern California that connects downtown Los Angeles with the city of Long Beach via light rail service.
  • C. Los Angeles–Seattle rail corridor
    The Los Angeles–Seattle rail corridor is a major long-distance passenger rail route in the western United States, connecting Southern California with the Pacific Northwest along the coast.
  • D. Las Vegas–Southern California corridor
    The Las Vegas–Southern California corridor is a heavily traveled travel and commerce route linking the Las Vegas metropolitan area with major population centers in Southern California.
  • E. Los Angeles–New Orleans rail corridor
    The Los Angeles–New Orleans rail corridor is a major transcontinental rail route linking Southern California to the U.S. Gulf Coast, used for both freight and long-distance passenger service.
  • 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_69e24549610c8190a069d6411ce5f661 completed April 17, 2026, 2:35 p.m.
NER Named-entity recognition batch_69f1a4dc48008190bdcf92f8d9a5232d completed April 29, 2026, 6:27 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c5def932881908633ef7c39ae5f37 completed May 19, 2026, 12:56 p.m.
NEDg Description generation batch_6a0c5f90146c8190b5035747abcfdb6e completed May 19, 2026, 1:03 p.m.
NED2 Entity disambiguation (via description) batch_6a0c601b5d288190b5cf4f3e0c8cde15 completed May 19, 2026, 1:05 p.m.
Created at: April 17, 2026, 5:37 p.m.