Triple

T3835818
Position Surface form Disambiguated ID Type / Status
Subject Berryessa/North San José–Richmond line E91128 entity
Predicate connectsStation P845 FINISHED
Object El Cerrito del Norte station
El Cerrito del Norte station is a major Bay Area Rapid Transit (BART) station in El Cerrito, California, serving as a key regional transit hub in the East Bay.
E394363 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 del Norte station | Statement: [Berryessa/North San José–Richmond line, connectsStation, El Cerrito del Norte station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: El Cerrito del Norte station
Context triple: [Berryessa/North San José–Richmond line, connectsStation, El Cerrito del Norte station]
  • A. Las Parcelas station
    Las Parcelas station is a stop on Santiago’s Metro system serving Line 5 in the city’s western sector.
  • B. Escudero Station
    Escudero Station is a Chilean Antarctic research base located on King George Island that supports scientific studies and logistical operations in the region.
  • C. 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.
  • D. 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.
  • E. San Carlos station
    San Carlos station is a commuter rail station in San Carlos, California, serving Caltrain passengers on the San Francisco Peninsula.
  • 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 del Norte station
Triple: [Berryessa/North San José–Richmond line, connectsStation, El Cerrito del Norte station]
Generated description
El Cerrito del Norte station is a major Bay Area Rapid Transit (BART) station in El Cerrito, California, serving as a key regional transit hub in the East Bay.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: El Cerrito del Norte station
Target entity description: El Cerrito del Norte station is a major Bay Area Rapid Transit (BART) station in El Cerrito, California, serving as a key regional transit hub in the East Bay.
  • A. Las Parcelas station
    Las Parcelas station is a stop on Santiago’s Metro system serving Line 5 in the city’s western sector.
  • B. Escudero Station
    Escudero Station is a Chilean Antarctic research base located on King George Island that supports scientific studies and logistical operations in the region.
  • C. 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.
  • D. 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.
  • E. San Carlos station
    San Carlos station is a commuter rail station in San Carlos, California, serving Caltrain passengers on the San Francisco Peninsula.
  • 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_69b51228a7a48190bc42898be15b450b completed March 14, 2026, 7:45 a.m.
NEDg Description generation batch_69b512e3721c8190accd26499191c153 completed March 14, 2026, 7:48 a.m.
NED2 Entity disambiguation (via description) batch_69b513618b888190acda94dcc91d24d2 completed March 14, 2026, 7:50 a.m.
Created at: March 9, 2026, 3:18 p.m.