Triple

T20530674
Position Surface form Disambiguated ID Type / Status
Subject Los Angeles–Seattle rail corridor E504057 entity
Predicate majorStation P1071 FINISHED
Object Oakland Jack London Square station — NE NERFINISHED

How this triple was built (3 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: Oakland Jack London Square station | Statement: [Los Angeles–Seattle rail corridor, majorStation, Oakland Jack London Square station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Oakland Jack London Square station
Context triple: [Los Angeles–Seattle rail corridor, majorStation, Oakland Jack London Square station]
  • A. West Oakland station
    West Oakland station is a Bay Area Rapid Transit (BART) station in Oakland, California, serving as a key stop near the eastern approach to the San Francisco–Oakland Bay Bridge.
  • B. Oakland City station
    Oakland City station is an Atlanta rapid transit stop on MARTA’s Red Line serving the Oakland City neighborhood in southwest Atlanta.
  • C. Alameda station
    Alameda station is an underground interchange station on the Lisbon Metro system, serving as a key connection point between multiple metro lines in the city.
  • D. Oakland International Airport station
    Oakland International Airport station is a Bay Area Rapid Transit (BART) rail station that provides direct transit service between Oakland International Airport and the broader San Francisco Bay Area.
  • E. Oakland City Center BART station
    Oakland City Center BART station is a rapid transit station in downtown Oakland, California, serving as a key hub on the Bay Area Rapid Transit system.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Oakland Jack London Square station
Target entity description: Oakland Jack London Square station is a key Amtrak rail hub in Oakland, California, serving intercity passenger trains along the West Coast and providing access to the surrounding waterfront district.
  • A. West Oakland station
    West Oakland station is a Bay Area Rapid Transit (BART) station in Oakland, California, serving as a key stop near the eastern approach to the San Francisco–Oakland Bay Bridge.
  • B. Oakland City station
    Oakland City station is an Atlanta rapid transit stop on MARTA’s Red Line serving the Oakland City neighborhood in southwest Atlanta.
  • C. Alameda station
    Alameda station is an underground interchange station on the Lisbon Metro system, serving as a key connection point between multiple metro lines in the city.
  • D. Oakland International Airport station
    Oakland International Airport station is a Bay Area Rapid Transit (BART) rail station that provides direct transit service between Oakland International Airport and the broader San Francisco Bay Area.
  • E. Oakland City Center BART station
    Oakland City Center BART station is a rapid transit station in downtown Oakland, California, serving as a key hub on the Bay Area Rapid Transit system.
  • F. None of above. chosen

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_69e0b4b3a6e08190ae663701f50fab8e completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6a06b923c81908ba24be6645a7c61 completed April 20, 2026, 9:53 p.m.
Created at: April 16, 2026, 11:37 a.m.