Triple

T14261133
Position Surface form Disambiguated ID Type / Status
Subject Sacramento Valley Station (light rail) E353518 entity
Predicate connectsTo P845 FINISHED
Object San Joaquins (train)
San Joaquins is an Amtrak intercity passenger train service in California that operates along the San Joaquin Valley, linking the Bay Area and Sacramento with Bakersfield.
E1089841 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: San Joaquins (train) | Statement: [Sacramento Valley Station (light rail), connectsTo, San Joaquins (train)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: San Joaquins (train)
Context triple: [Sacramento Valley Station (light rail), connectsTo, San Joaquins (train)]
  • A. Golden State (passenger train)
    The Golden State was a prominent mid-20th-century streamlined passenger train that provided long-distance service between Chicago and Los Angeles via the Midwest and Southwest.
  • B. West Coast Express
    West Coast Express is a commuter rail service in British Columbia, Canada, that operates weekday trains between downtown Vancouver and its eastern suburbs along the north shore of the Fraser River.
  • C. California Zephyr
    The California Zephyr is a long-distance passenger train route in the United States that runs through the Rocky Mountains and Sierra Nevada, often regarded as one of the most scenic rail journeys in North America.
  • D. Amtrak Coast Starlight
    The Amtrak Coast Starlight is a long-distance passenger train running between Seattle and Los Angeles, renowned for its scenic route along the West Coast of the United States.
  • E. San Francisco–San Jose rail corridor
    The San Francisco–San Jose rail corridor is a major commuter and intercity rail line on the San Francisco Peninsula that connects San Francisco and San Jose, primarily served by Caltrain.
  • 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: San Joaquins (train)
Triple: [Sacramento Valley Station (light rail), connectsTo, San Joaquins (train)]
Generated description
San Joaquins is an Amtrak intercity passenger train service in California that operates along the San Joaquin Valley, linking the Bay Area and Sacramento with Bakersfield.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: San Joaquins (train)
Target entity description: San Joaquins is an Amtrak intercity passenger train service in California that operates along the San Joaquin Valley, linking the Bay Area and Sacramento with Bakersfield.
  • A. Golden State (passenger train)
    The Golden State was a prominent mid-20th-century streamlined passenger train that provided long-distance service between Chicago and Los Angeles via the Midwest and Southwest.
  • B. West Coast Express
    West Coast Express is a commuter rail service in British Columbia, Canada, that operates weekday trains between downtown Vancouver and its eastern suburbs along the north shore of the Fraser River.
  • C. California Zephyr
    The California Zephyr is a long-distance passenger train route in the United States that runs through the Rocky Mountains and Sierra Nevada, often regarded as one of the most scenic rail journeys in North America.
  • D. Amtrak Coast Starlight
    The Amtrak Coast Starlight is a long-distance passenger train running between Seattle and Los Angeles, renowned for its scenic route along the West Coast of the United States.
  • E. San Francisco–San Jose rail corridor
    The San Francisco–San Jose rail corridor is a major commuter and intercity rail line on the San Francisco Peninsula that connects San Francisco and San Jose, primarily served by Caltrain.
  • 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_69d8278c43e08190824146f4632b89a5 completed April 9, 2026, 10:26 p.m.
NER Named-entity recognition batch_69de635534988190816fdfb315cd2a3f completed April 14, 2026, 3:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd3260fdf88190b482480a17bd6674 completed May 8, 2026, 12:46 a.m.
NEDg Description generation batch_69fd33cba18481908f2dfe358017f11b completed May 8, 2026, 12:52 a.m.
NED2 Entity disambiguation (via description) batch_69fd346ffb9c81909ec28e514ea5451b completed May 8, 2026, 12:55 a.m.
Created at: April 10, 2026, 1:09 a.m.