Triple

T4316599
Position Surface form Disambiguated ID Type / Status
Subject Antioch, California E96407 entity
Predicate servedBy P82 FINISHED
Object Antioch station (BART)
Antioch station (BART) is the eastern terminus of Bay Area Rapid Transit's Yellow Line, providing regional rail service to the city of Antioch, California.
 E435832 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: Antioch station (BART) | Statement: [Antioch, California, servedBy, Antioch station (BART)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Antioch station (BART)
Context triple: [Antioch, California, servedBy, Antioch station (BART)]
  • A. 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.
  • B. Union City BART station
    Union City BART station is a Bay Area Rapid Transit rail station in Union City, California, serving as a key public transit hub for commuters in the East Bay.
  • C. BART Embarcadero Station
    BART Embarcadero Station is a major underground transit hub in downtown San Francisco serving Bay Area Rapid Transit trains and connecting with Muni Metro light rail lines.
  • D. Lake Merritt BART station
    Lake Merritt BART station is an underground Bay Area Rapid Transit station in Oakland, California, serving the Lake Merritt neighborhood and nearby civic and residential areas.
  • E. Civic Center/UN Plaza BART station
    Civic Center/UN Plaza BART station is a major underground Bay Area Rapid Transit and Muni Metro hub serving San Francisco’s Civic Center area near City Hall and the United Nations Plaza.
  • 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: Antioch station (BART)
Triple: [Antioch, California, servedBy, Antioch station (BART)]
Generated description
Antioch station (BART) is the eastern terminus of Bay Area Rapid Transit's Yellow Line, providing regional rail service to the city of Antioch, California.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Antioch station (BART)
Target entity description: Antioch station (BART) is the eastern terminus of Bay Area Rapid Transit's Yellow Line, providing regional rail service to the city of Antioch, California.
  • A. 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.
  • B. Union City BART station
    Union City BART station is a Bay Area Rapid Transit rail station in Union City, California, serving as a key public transit hub for commuters in the East Bay.
  • C. BART Embarcadero Station
    BART Embarcadero Station is a major underground transit hub in downtown San Francisco serving Bay Area Rapid Transit trains and connecting with Muni Metro light rail lines.
  • D. Lake Merritt BART station
    Lake Merritt BART station is an underground Bay Area Rapid Transit station in Oakland, California, serving the Lake Merritt neighborhood and nearby civic and residential areas.
  • E. Civic Center/UN Plaza BART station
    Civic Center/UN Plaza BART station is a major underground Bay Area Rapid Transit and Muni Metro hub serving San Francisco’s Civic Center area near City Hall and the United Nations Plaza.
  • 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_69b345422aac81909ddbadae437d122e completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b350f733888190866611fcdea97a5f completed March 12, 2026, 11:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5e4ef0ca881908d9811183adc26c4 completed March 14, 2026, 10:45 p.m.
NEDg Description generation batch_69b5e5b3ba208190b6cb5e40f9e744e8 completed March 14, 2026, 10:48 p.m.
NED2 Entity disambiguation (via description) batch_69b5e62af694819086b3eddb71f591d2 completed March 14, 2026, 10:50 p.m.
Created at: March 12, 2026, 11:12 p.m.