Triple

T21789785
Position Surface form Disambiguated ID Type / Status
Subject Caltrain stations E537938 entity
Predicate primaryCorridor P3034 FINISHED
Object San Francisco–San Jose NE NERFINISHED

How this triple was built (2 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 Francisco–San Jose | Statement: [Caltrain stations, primaryCorridor, San Francisco–San Jose]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: San Francisco–San Jose
Context triple: [Caltrain stations, primaryCorridor, San Francisco–San Jose]
  • A. San Francisco–San Jose corridor chosen
    The San Francisco–San Jose corridor is a heavily urbanized and economically vital stretch of the San Francisco Peninsula that links the two major Bay Area cities and encompasses much of Silicon Valley.
  • B. San Jose–Sacramento
    San Jose–Sacramento is a passenger rail corridor in Northern California connecting the San Francisco Bay Area city of San Jose with the state capital, Sacramento.
  • C. Los Angeles–San Francisco
    Los Angeles–San Francisco refers to the major intercity corridor in California connecting the state’s largest southern metropolis with its iconic northern bay city, historically served by prominent rail and highway routes.
  • D. Richmond–Oakland–San Francisco corridor
    The Richmond–Oakland–San Francisco corridor is a major urban and transportation axis in the San Francisco Bay Area linking the cities of Richmond, Oakland, and San Francisco.
  • E. San Francisco Bay Area
    The San Francisco Bay Area is a major metropolitan region in Northern California known for its technology industry, cultural diversity, and iconic landmarks such as the Golden Gate Bridge.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e0c47198f881908cb0d237266c10e9 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69f0621ed2b481909e3df17aee9cd8f7 completed April 28, 2026, 7:30 a.m.
Created at: April 16, 2026, 6:52 p.m.