Triple

T23158708
Position Surface form Disambiguated ID Type / Status
Subject BART Yellow Line E578519 entity
Predicate hasStation P35 FINISHED
Object Lafayette station
Lafayette station is a Bay Area Rapid Transit (BART) station serving the city of Lafayette in California’s East Bay region.
 E1574301 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: Lafayette station | Statement: [BART Yellow Line, hasStation, Lafayette station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lafayette station
Context triple: [BART Yellow Line, hasStation, Lafayette station]
  • A. Jefferson station
    Jefferson station is a Skyway automated people mover station serving downtown Jacksonville’s Northbank area.
  • B. Fontainebleau–Avon station
    Fontainebleau–Avon station is a railway station in the town of Avon serving the Fontainebleau area in north-central France, providing regional and commuter rail connections to Paris and surrounding destinations.
  • C. Plauderville station
    Plauderville station is a commuter rail stop in Garfield, New Jersey, served by NJ Transit trains on the Main Line.
  • D. Girard station
    Girard station is a subway stop in Philadelphia, Pennsylvania, serving passengers on SEPTA’s Broad Street Line.
  • E. La Verne station
    La Verne station is a planned light rail stop intended to serve the city of La Verne in Los Angeles County as part of the Foothill Extension of the Metro A Line.
  • 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: Lafayette station
Triple: [BART Yellow Line, hasStation, Lafayette station]
Generated description
Lafayette station is a Bay Area Rapid Transit (BART) station serving the city of Lafayette in California’s East Bay region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lafayette station
Target entity description: Lafayette station is a Bay Area Rapid Transit (BART) station serving the city of Lafayette in California’s East Bay region.
  • A. Jefferson station
    Jefferson station is a Skyway automated people mover station serving downtown Jacksonville’s Northbank area.
  • B. Fontainebleau–Avon station
    Fontainebleau–Avon station is a railway station in the town of Avon serving the Fontainebleau area in north-central France, providing regional and commuter rail connections to Paris and surrounding destinations.
  • C. Plauderville station
    Plauderville station is a commuter rail stop in Garfield, New Jersey, served by NJ Transit trains on the Main Line.
  • D. Girard station
    Girard station is a subway stop in Philadelphia, Pennsylvania, serving passengers on SEPTA’s Broad Street Line.
  • E. La Verne station
    La Verne station is a planned light rail stop intended to serve the city of La Verne in Los Angeles County as part of the Foothill Extension of the Metro A Line.
  • 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_69e245fc75348190a0288401044c8af8 completed April 17, 2026, 2:38 p.m.
NER Named-entity recognition batch_69f18efeddd48190b6d03d2146583dcc completed April 29, 2026, 4:54 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c30a009a88190ace5fe645f0e9d23 completed May 19, 2026, 9:42 a.m.
NEDg Description generation batch_6a0c3433083081909b486004ed8ae017 completed May 19, 2026, 9:58 a.m.
NED2 Entity disambiguation (via description) batch_6a0c352416508190a08f1d46ef3c4916 completed May 19, 2026, 10:02 a.m.
Created at: April 17, 2026, 4:02 p.m.