Triple

T3835806
Position Surface form Disambiguated ID Type / Status
Subject Berryessa/North San José–Richmond line E91128 entity
Predicate connectsStation P845 FINISHED
Object Balboa Park station
Balboa Park station is a major multimodal transit hub in San Francisco serving BART and Muni Metro lines.
 E402458 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: Balboa Park station | Statement: [Berryessa/North San José–Richmond line, connectsStation, Balboa Park station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Balboa Park station
Context triple: [Berryessa/North San José–Richmond line, connectsStation, Balboa Park station]
  • A. San Bernardino–Downtown station
    San Bernardino–Downtown station is a commuter rail and transit hub in downtown San Bernardino, California, serving Metrolink trains and local bus connections.
  • 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. Santa Monica Downtown station
    Santa Monica Downtown station is a light rail transit stop in downtown Santa Monica that serves as the western terminus of Los Angeles Metro Rail’s E Line near the Pacific Ocean.
  • D. Culver City station
    Culver City station is a light rail transit stop in Culver City, California, serving as a key node on Los Angeles Metro’s E Line.
  • E. Long Beach Transit Mall station
    Long Beach Transit Mall station is a light rail stop in downtown Long Beach, California, serving as a key terminus and transfer point on Los Angeles Metro Rail’s 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: Balboa Park station
Triple: [Berryessa/North San José–Richmond line, connectsStation, Balboa Park station]
Generated description
Balboa Park station is a major multimodal transit hub in San Francisco serving BART and Muni Metro lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Balboa Park station
Target entity description: Balboa Park station is a major multimodal transit hub in San Francisco serving BART and Muni Metro lines.
  • A. San Bernardino–Downtown station
    San Bernardino–Downtown station is a commuter rail and transit hub in downtown San Bernardino, California, serving Metrolink trains and local bus connections.
  • 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. Santa Monica Downtown station
    Santa Monica Downtown station is a light rail transit stop in downtown Santa Monica that serves as the western terminus of Los Angeles Metro Rail’s E Line near the Pacific Ocean.
  • D. Culver City station
    Culver City station is a light rail transit stop in Culver City, California, serving as a key node on Los Angeles Metro’s E Line.
  • E. Long Beach Transit Mall station
    Long Beach Transit Mall station is a light rail stop in downtown Long Beach, California, serving as a key terminus and transfer point on Los Angeles Metro Rail’s 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_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_69b5336ec05c8190ab632671bc1326c2 completed March 14, 2026, 10:07 a.m.
NEDg Description generation batch_69b5341fb74081909a33753e5fdd5c32 completed March 14, 2026, 10:10 a.m.
NED2 Entity disambiguation (via description) batch_69b534d279548190bee44aea7828ed3b completed March 14, 2026, 10:13 a.m.
Created at: March 9, 2026, 3:18 p.m.