Triple

T664092
Position Surface form Disambiguated ID Type / Status
Subject BART E12820 entity
Predicate hasStation P35 FINISHED
Object Pittsburg/Bay Point station
Pittsburg/Bay Point station is a rapid transit station in Contra Costa County, California, serving as a terminus on the Bay Area Rapid Transit (BART) system.
 E97733 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: Pittsburg/Bay Point station | Statement: [BART, hasStation, Pittsburg/Bay Point station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pittsburg/Bay Point station
Context triple: [BART, hasStation, Pittsburg/Bay Point station]
  • A. Corry Station
    Corry Station is a U.S. Navy installation in Escambia County, Florida, primarily known as a training center for information warfare, cryptology, and related technical fields.
  • B. Erie station
    Erie station is a subway station in Philadelphia, Pennsylvania, serving the SEPTA Broad Street Line.
  • C. Kenmore station
    Kenmore station is a major Boston transit hub on the MBTA Green Line that serves as a key access point to Fenway Park and nearby Boston University.
  • D. Wayne Junction station
    Wayne Junction station is a major SEPTA regional rail hub in Philadelphia, Pennsylvania, serving multiple commuter lines and providing key connections within the city's transit network.
  • E. St. Clair station
    St. Clair station is a Toronto Transit Commission subway station on Line 1 in midtown Toronto, serving the St. Clair Avenue and Yonge Street area with connections to streetcar and bus routes.
  • 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: Pittsburg/Bay Point station
Triple: [BART, hasStation, Pittsburg/Bay Point station]
Generated description
Pittsburg/Bay Point station is a rapid transit station in Contra Costa County, California, serving as a terminus on the Bay Area Rapid Transit (BART) system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Pittsburg/Bay Point station
Target entity description: Pittsburg/Bay Point station is a rapid transit station in Contra Costa County, California, serving as a terminus on the Bay Area Rapid Transit (BART) system.
  • A. Corry Station
    Corry Station is a U.S. Navy installation in Escambia County, Florida, primarily known as a training center for information warfare, cryptology, and related technical fields.
  • B. Erie station
    Erie station is a subway station in Philadelphia, Pennsylvania, serving the SEPTA Broad Street Line.
  • C. Kenmore station
    Kenmore station is a major Boston transit hub on the MBTA Green Line that serves as a key access point to Fenway Park and nearby Boston University.
  • D. Wayne Junction station
    Wayne Junction station is a major SEPTA regional rail hub in Philadelphia, Pennsylvania, serving multiple commuter lines and providing key connections within the city's transit network.
  • E. St. Clair station
    St. Clair station is a Toronto Transit Commission subway station on Line 1 in midtown Toronto, serving the St. Clair Avenue and Yonge Street area with connections to streetcar and bus routes.
  • 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_69a493355dec819098d4244b2fa34885 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49fd1f0ec819087003d30bbab2fa6 completed March 1, 2026, 8:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69a76d6cdc9c81909eb3240c00fa530d completed March 3, 2026, 11:23 p.m.
NEDg Description generation batch_69a78e55468c8190abf96f0c0d5b3450 completed March 4, 2026, 1:43 a.m.
NED2 Entity disambiguation (via description) batch_69a78eb80f6081908257889efaff6d33 completed March 4, 2026, 1:45 a.m.
Created at: March 1, 2026, 7:36 p.m.