Triple

T563380
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Capitol Corridor E13501 entity
Predicate servesCity P82 FINISHED
Object Fairfield, California
Fairfield, California is a city in Solano County situated between San Francisco and Sacramento, known for its role as a regional commercial center and as the home of Travis Air Force Base and the Jelly Belly Candy Company.
E163681 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: Fairfield, California | Statement: [Amtrak Capitol Corridor, servesCity, Fairfield, California]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Fairfield, California
Context triple: [Amtrak Capitol Corridor, servesCity, Fairfield, California]
  • A. Colfax, California
    Colfax, California is a small historic Gold Rush–era town in Placer County known as a former railroad hub in the Sierra Nevada foothills.
  • B. Clovis, California
    Clovis, California is a suburban city in Fresno County known for its historic Old Town district, proximity to Fresno and the Sierra Nevada, and its role as a gateway to outdoor recreation in Central California.
  • C. Fair Oaks, California
    Fair Oaks, California is a suburban community in Sacramento County known for its semi-rural feel, oak tree–lined neighborhoods, and proximity to the American River.
  • D. Hawthorne, California
    Hawthorne, California is a city in southwestern Los Angeles County known for hosting major aerospace and technology companies, including SpaceX’s headquarters.
  • E. Woodside, California
    Woodside, California is an affluent, semi-rural town on the San Francisco Peninsula known for its large estates, equestrian culture, and proximity to Silicon Valley.
  • 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: Fairfield, California
Triple: [Amtrak Capitol Corridor, servesCity, Fairfield, California]
Generated description
Fairfield, California is a city in Solano County situated between San Francisco and Sacramento, known for its role as a regional commercial center and as the home of Travis Air Force Base and the Jelly Belly Candy Company.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Fairfield, California
Target entity description: Fairfield, California is a city in Solano County situated between San Francisco and Sacramento, known for its role as a regional commercial center and as the home of Travis Air Force Base and the Jelly Belly Candy Company.
  • A. Colfax, California
    Colfax, California is a small historic Gold Rush–era town in Placer County known as a former railroad hub in the Sierra Nevada foothills.
  • B. Clovis, California
    Clovis, California is a suburban city in Fresno County known for its historic Old Town district, proximity to Fresno and the Sierra Nevada, and its role as a gateway to outdoor recreation in Central California.
  • C. Fair Oaks, California
    Fair Oaks, California is a suburban community in Sacramento County known for its semi-rural feel, oak tree–lined neighborhoods, and proximity to the American River.
  • D. Hawthorne, California
    Hawthorne, California is a city in southwestern Los Angeles County known for hosting major aerospace and technology companies, including SpaceX’s headquarters.
  • E. Woodside, California
    Woodside, California is an affluent, semi-rural town on the San Francisco Peninsula known for its large estates, equestrian culture, and proximity to Silicon Valley.
  • 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_69a4933edcf08190b35ecfd6014caee6 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49a712bc48190ba298b3c76ab11cc completed March 1, 2026, 7:58 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad012ce1148190b1051239a44171b1 completed March 8, 2026, 4:55 a.m.
NEDg Description generation batch_69ad01eb335c81908775e89b8a0348cc completed March 8, 2026, 4:58 a.m.
NED2 Entity disambiguation (via description) batch_69ad029584308190af10520e928f890b completed March 8, 2026, 5:01 a.m.
Created at: March 1, 2026, 7:32 p.m.