Triple

T7719168
Position Surface form Disambiguated ID Type / Status
Subject USS Cassin Young E174962 entity
Predicate builtAt P283 FINISHED
Object San Pedro, California
San Pedro, California is a harbor community within the city of Los Angeles known for its major port facilities, naval history, and role as a key center of maritime commerce on the U.S. West Coast.
E684545 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: San Pedro, California | Statement: [USS Cassin Young, builtAt, San Pedro, California]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: San Pedro, California
Context triple: [USS Cassin Young, builtAt, San Pedro, California]
  • A. Duarte, California
    Duarte, California is a small suburban city in Los Angeles County known for its location along historic Route 66 at the base of the San Gabriel Mountains.
  • B. Calimesa, California
    Calimesa, California is a small city in Riverside County known for its semi-rural character and location in the Inland Empire region of Southern California.
  • C. San Pablo, California
    San Pablo, California is a small, diverse city in the San Francisco Bay Area known for its residential neighborhoods and proximity to Richmond and major regional freeways.
  • D. San Fernando, California
    San Fernando, California is a small independent city in Los Angeles County’s San Fernando Valley, known for its historic roots around the Spanish mission era and its predominantly Latino community.
  • E. Placentia, California
    Placentia, California is a suburban city in northern Orange County known for its quiet residential neighborhoods and strong sense of community.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: San Pedro, California
Target entity description: San Pedro, California is a harbor community within the city of Los Angeles known for its major port facilities, naval history, and role as a key center of maritime commerce on the U.S. West Coast.
  • A. Duarte, California
    Duarte, California is a small suburban city in Los Angeles County known for its location along historic Route 66 at the base of the San Gabriel Mountains.
  • B. Calimesa, California
    Calimesa, California is a small city in Riverside County known for its semi-rural character and location in the Inland Empire region of Southern California.
  • C. San Pablo, California
    San Pablo, California is a small, diverse city in the San Francisco Bay Area known for its residential neighborhoods and proximity to Richmond and major regional freeways.
  • D. San Fernando, California
    San Fernando, California is a small independent city in Los Angeles County’s San Fernando Valley, known for its historic roots around the Spanish mission era and its predominantly Latino community.
  • E. Placentia, California
    Placentia, California is a suburban city in northern Orange County known for its quiet residential neighborhoods and strong sense of community.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: San Pedro, California
Triple: [USS Cassin Young, builtAt, San Pedro, California]
Generated description
San Pedro, California is a harbor community within the city of Los Angeles known for its major port facilities, naval history, and role as a key center of maritime commerce on the U.S. West Coast.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69c6995c463c8190a14458036249d419 elicitation completed
NER batch_69c702ebb7448190ae8d47fe0cbb0907 ner completed
NED1 batch_69c8b513f7d481908d2ce64d9685289c ned_source_triple completed
NED2 batch_69c8b7590ac08190ae43036828235ca7 ned_description completed
NEDg batch_69c8b6f7148081908f699bd5600b6c57 nedg completed
Created at: March 27, 2026, 4:05 p.m.