Triple

T3835817
Position Surface form Disambiguated ID Type / Status
Subject Berryessa/North San José–Richmond line E91128 entity
Predicate connectsStation P845 FINISHED
Object El Cerrito Plaza station
El Cerrito Plaza station is an elevated Bay Area Rapid Transit (BART) station in El Cerrito, California, serving as a key stop for commuters traveling through the East Bay.
E393038 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: El Cerrito Plaza station | Statement: [Berryessa/North San José–Richmond line, connectsStation, El Cerrito Plaza station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: El Cerrito Plaza station
Context triple: [Berryessa/North San José–Richmond line, connectsStation, El Cerrito Plaza station]
  • A. Castro Street station
    Castro Street station is an underground Muni Metro light rail stop in San Francisco’s Castro District, serving as a key transit point along Market Street.
  • B. Civic Center/Grand Park station
    Civic Center/Grand Park station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and providing access to nearby government buildings and Grand Park.
  • C. 36th Street station
    36th Street station is a key SEPTA trolley stop in Philadelphia serving the Subway–Surface Trolley Lines near the University of Pennsylvania.
  • D. San Joaquín metro station
    San Joaquín metro station is a Mexico City Metro station on Line 7 serving the Polanco/Irrigación area, known for its proximity to major commercial and cultural venues.
  • E. San Ramón station
    San Ramón station is a stop on Santiago, Chile’s Metro system, serving passengers on Line 4A in the southeastern part of the city.
  • 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: El Cerrito Plaza station
Triple: [Berryessa/North San José–Richmond line, connectsStation, El Cerrito Plaza station]
Generated description
El Cerrito Plaza station is an elevated Bay Area Rapid Transit (BART) station in El Cerrito, California, serving as a key stop for commuters traveling through the East Bay.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: El Cerrito Plaza station
Target entity description: El Cerrito Plaza station is an elevated Bay Area Rapid Transit (BART) station in El Cerrito, California, serving as a key stop for commuters traveling through the East Bay.
  • A. Castro Street station
    Castro Street station is an underground Muni Metro light rail stop in San Francisco’s Castro District, serving as a key transit point along Market Street.
  • B. Civic Center/Grand Park station
    Civic Center/Grand Park station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and providing access to nearby government buildings and Grand Park.
  • C. 36th Street station
    36th Street station is a key SEPTA trolley stop in Philadelphia serving the Subway–Surface Trolley Lines near the University of Pennsylvania.
  • D. San Joaquín metro station
    San Joaquín metro station is a Mexico City Metro station on Line 7 serving the Polanco/Irrigación area, known for its proximity to major commercial and cultural venues.
  • E. San Ramón station
    San Ramón station is a stop on Santiago, Chile’s Metro system, serving passengers on Line 4A in the southeastern part of the city.
  • 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_69aed960b538819096561c8ed448dec9 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeeb9a27508190b05e5312cc7c8033 completed March 9, 2026, 3:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69b50402b2448190aef242c46bf0546d completed March 14, 2026, 6:45 a.m.
NEDg Description generation batch_69b507da61e0819086a460e7ddfba4df completed March 14, 2026, 7:01 a.m.
NED2 Entity disambiguation (via description) batch_69b5082c6bb88190a9d2fd20e16c7cb7 completed March 14, 2026, 7:03 a.m.
Created at: March 9, 2026, 3:18 p.m.