Triple

T16710468
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Capitol Corridor at Richmond station E406092 entity
Predicate hasConnection P8776 FINISHED
Object Bay Area Rapid Transit Richmond station E244376 NE FINISHED

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: Bay Area Rapid Transit Richmond station | Statement: [Amtrak Capitol Corridor at Richmond station, hasConnection, Bay Area Rapid Transit Richmond station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bay Area Rapid Transit Richmond station
Context triple: [Amtrak Capitol Corridor at Richmond station, hasConnection, Bay Area Rapid Transit Richmond station]
  • A. Richmond BART station chosen
    Richmond BART station is a major transit hub in Richmond, California, serving as the northern terminus of BART’s Richmond line and an intermodal connection point with Amtrak and local buses.
  • B. Rockridge BART station
    Rockridge BART station is an elevated rapid transit station in Oakland, California, serving the Rockridge neighborhood on the Bay Area Rapid Transit system.
  • C. Millbrae station
    Millbrae station is a major intermodal transit hub in Millbrae, California, serving as a connection point between Caltrain commuter rail, BART rapid transit, and other local transportation services.
  • D. Fremont station (BART)
    Fremont station (BART) is a Bay Area Rapid Transit station in Fremont, California that historically served as the southern terminus of the system’s Fremont line before extension to Warm Springs/South Fremont.
  • E. Walnut Creek BART station
    Walnut Creek BART station is a Bay Area Rapid Transit station in Walnut Creek, California, serving as a key regional rail hub with access to nearby downtown attractions and cultural venues.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d8838db21081909589220fd71440a4 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e3865186b48190bb45a761f5cf1a83 completed April 18, 2026, 1:25 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0091a739308190b4d645e096d1710b completed May 10, 2026, 2:09 p.m.
Created at: April 10, 2026, 5:20 a.m.