Triple

T18426795
Position Surface form Disambiguated ID Type / Status
Subject Hayward Area Recreation and Park District E450160 entity
Predicate serves P98 FINISHED
Object City of Hayward, California
The City of Hayward, California is a major suburban community in the San Francisco Bay Area’s East Bay region, known for its diverse population, industrial and commercial centers, and role as a transportation hub.
E1323549 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: City of Hayward, California | Statement: [Hayward Area Recreation and Park District, serves, City of Hayward, California]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: City of Hayward, California
Context triple: [Hayward Area Recreation and Park District, serves, City of Hayward, California]
  • A. Redwood City, California
    Redwood City, California is a city on the San Francisco Peninsula in Silicon Valley, known for its historic downtown and role as the county seat of San Mateo County.
  • B. City of Vallejo, California
    The City of Vallejo, California is a waterfront community in the North Bay region of the San Francisco Bay Area, historically known as a former state capital and home to the Mare Island Naval Shipyard.
  • C. Alameda, California
    Alameda, California is a Bay Area island city adjacent to Oakland known for its historic Victorian architecture, waterfront parks, and residential neighborhoods.
  • D. Emeryville, California
    Emeryville, California is a small city in the San Francisco Bay Area best known as the longtime home of Pixar Animation Studios and a hub for tech and creative industries.
  • E. City of San Mateo
    The City of San Mateo is a mid-sized suburban community on the San Francisco Peninsula in California, known for its residential neighborhoods, downtown commercial district, and role as a regional economic and transportation hub.
  • 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: City of Hayward, California
Triple: [Hayward Area Recreation and Park District, serves, City of Hayward, California]
Generated description
The City of Hayward, California is a major suburban community in the San Francisco Bay Area’s East Bay region, known for its diverse population, industrial and commercial centers, and role as a transportation hub.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: City of Hayward, California
Target entity description: The City of Hayward, California is a major suburban community in the San Francisco Bay Area’s East Bay region, known for its diverse population, industrial and commercial centers, and role as a transportation hub.
  • A. Redwood City, California
    Redwood City, California is a city on the San Francisco Peninsula in Silicon Valley, known for its historic downtown and role as the county seat of San Mateo County.
  • B. City of Vallejo, California
    The City of Vallejo, California is a waterfront community in the North Bay region of the San Francisco Bay Area, historically known as a former state capital and home to the Mare Island Naval Shipyard.
  • C. Alameda, California
    Alameda, California is a Bay Area island city adjacent to Oakland known for its historic Victorian architecture, waterfront parks, and residential neighborhoods.
  • D. Emeryville, California
    Emeryville, California is a small city in the San Francisco Bay Area best known as the longtime home of Pixar Animation Studios and a hub for tech and creative industries.
  • E. City of San Mateo
    The City of San Mateo is a mid-sized suburban community on the San Francisco Peninsula in California, known for its residential neighborhoods, downtown commercial district, and role as a regional economic and transportation hub.
  • 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_69d8d381d6388190a9e94e9c658174e4 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e51b13ee88819091e7e007d17dcc73 completed April 19, 2026, 6:12 p.m.
NED1 Entity disambiguation (via context triple) batch_6a03f0ab8760819093e1132b91030b79 completed May 13, 2026, 3:31 a.m.
NEDg Description generation batch_6a03f24c7e248190a3330f339c0caded completed May 13, 2026, 3:38 a.m.
NED2 Entity disambiguation (via description) batch_6a03f2d8703881909b78c2377d9bb542 completed May 13, 2026, 3:41 a.m.
Created at: April 10, 2026, 11:24 a.m.