Triple

T4537703
Position Surface form Disambiguated ID Type / Status
Subject Hayward Shoreline Interpretive Center E107446 entity
Predicate operatedBy P86 FINISHED
Object Hayward Area Recreation and Park District
The Hayward Area Recreation and Park District is a special-purpose local government agency in California that manages parks, open spaces, and recreational facilities and programs in and around the city of Hayward.
 E450160 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: Hayward Area Recreation and Park District | Statement: [Hayward Shoreline Interpretive Center, operatedBy, Hayward Area Recreation and Park District]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hayward Area Recreation and Park District
Context triple: [Hayward Shoreline Interpretive Center, operatedBy, Hayward Area Recreation and Park District]
  • A. Hayward
    Hayward is a mid-sized city in the San Francisco Bay Area known for its diverse population, industrial and logistics hubs, and role as a transportation crossroads in Alameda County.
  • B. Lombard Park District
    Lombard Park District is the local governmental agency responsible for providing and managing parks, recreational programs, and community facilities for residents of Lombard, Illinois.
  • C. Hinsdale Park District
    Hinsdale Park District is the local government agency that manages parks, recreational facilities, and community programs for residents of Hinsdale, Illinois.
  • D. Arlington Heights Park District
    Arlington Heights Park District is the local governmental agency that manages and operates parks, recreational facilities, and community programs for residents of Arlington Heights, Illinois.
  • E. Elmhurst Park District
    Elmhurst Park District is the local governmental agency responsible for providing and maintaining parks, recreational facilities, and community programs for residents of Elmhurst, Illinois.
  • 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: Hayward Area Recreation and Park District
Triple: [Hayward Shoreline Interpretive Center, operatedBy, Hayward Area Recreation and Park District]
Generated description
The Hayward Area Recreation and Park District is a special-purpose local government agency in California that manages parks, open spaces, and recreational facilities and programs in and around the city of Hayward.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hayward Area Recreation and Park District
Target entity description: The Hayward Area Recreation and Park District is a special-purpose local government agency in California that manages parks, open spaces, and recreational facilities and programs in and around the city of Hayward.
  • A. Hayward
    Hayward is a mid-sized city in the San Francisco Bay Area known for its diverse population, industrial and logistics hubs, and role as a transportation crossroads in Alameda County.
  • B. Lombard Park District
    Lombard Park District is the local governmental agency responsible for providing and managing parks, recreational programs, and community facilities for residents of Lombard, Illinois.
  • C. Hinsdale Park District
    Hinsdale Park District is the local government agency that manages parks, recreational facilities, and community programs for residents of Hinsdale, Illinois.
  • D. Arlington Heights Park District
    Arlington Heights Park District is the local governmental agency that manages and operates parks, recreational facilities, and community programs for residents of Arlington Heights, Illinois.
  • E. Elmhurst Park District
    Elmhurst Park District is the local governmental agency responsible for providing and maintaining parks, recreational facilities, and community programs for residents of Elmhurst, Illinois.
  • 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_69bd43f922788190b7edfa294e39b178 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd57b8c4788190b35d110553013ff1 completed March 20, 2026, 2:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69bdacfb2ba48190b7f1b23785e9d030 completed March 20, 2026, 8:24 p.m.
NEDg Description generation batch_69bdaf867740819090367e5ebd37b4d4 completed March 20, 2026, 8:35 p.m.
NED2 Entity disambiguation (via description) batch_69bdafeb5e0881909d4ee62b066dee91 completed March 20, 2026, 8:36 p.m.
Created at: March 20, 2026, 1:04 p.m.