Triple

T5438000
Position Surface form Disambiguated ID Type / Status
Subject Port Chicago Naval Magazine site E122058 entity
Predicate locatedNear P294 FINISHED
Object Port Chicago, California
Port Chicago, California was a small town and naval munitions hub on Suisun Bay in Contra Costa County, best known as the site of the deadly 1944 Port Chicago disaster during World War II.
E122058 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: Port Chicago, California | Statement: [Port Chicago Naval Magazine site, locatedNear, Port Chicago, California]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Port Chicago, California
Context triple: [Port Chicago Naval Magazine site, locatedNear, Port Chicago, California]
  • A. Port Chicago Naval Magazine site
    The Port Chicago Naval Magazine site is a historic former U.S. Navy munitions loading facility in California, best known as the location of the deadly 1944 Port Chicago disaster and subsequent mutiny trial that influenced civil rights reforms in the military.
  • B. Coast Guard City, USA
    Coast Guard City, USA is an honorary designation given by the U.S. Congress to American communities that demonstrate exceptional support for and close ties with the United States Coast Guard.
  • C. Port Hueneme
    Port Hueneme is a small coastal city in Southern California known for its deep-water port and sandy beaches along the Pacific Ocean.
  • D. Crescent City Harbor
    Crescent City Harbor is a small Pacific coastal harbor in Northern California that serves as a commercial fishing and recreational boating hub for Crescent City and the surrounding region.
  • E. Crescent City, California
    Crescent City, California is a small coastal city in the far north of the state, known as a gateway to the redwood forests and for its rugged Pacific shoreline and frequent tsunami activity.
  • 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: Port Chicago, California
Triple: [Port Chicago Naval Magazine site, locatedNear, Port Chicago, California]
Generated description
Port Chicago, California was a small town and naval munitions hub on Suisun Bay in Contra Costa County, best known as the site of the deadly 1944 Port Chicago disaster during World War II.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Port Chicago, California
Target entity description: Port Chicago, California was a small town and naval munitions hub on Suisun Bay in Contra Costa County, best known as the site of the deadly 1944 Port Chicago disaster during World War II.
  • A. Port Chicago Naval Magazine site chosen
    The Port Chicago Naval Magazine site is a historic former U.S. Navy munitions loading facility in California, best known as the location of the deadly 1944 Port Chicago disaster and subsequent mutiny trial that influenced civil rights reforms in the military.
  • B. Coast Guard City, USA
    Coast Guard City, USA is an honorary designation given by the U.S. Congress to American communities that demonstrate exceptional support for and close ties with the United States Coast Guard.
  • C. Port Hueneme
    Port Hueneme is a small coastal city in Southern California known for its deep-water port and sandy beaches along the Pacific Ocean.
  • D. Crescent City Harbor
    Crescent City Harbor is a small Pacific coastal harbor in Northern California that serves as a commercial fishing and recreational boating hub for Crescent City and the surrounding region.
  • E. Crescent City, California
    Crescent City, California is a small coastal city in the far north of the state, known as a gateway to the redwood forests and for its rugged Pacific shoreline and frequent tsunami activity.
  • F. None of above.

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_69bd46400768819092925d461c0b8432 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd91bce47c8190b9fd23444e636cdd completed March 20, 2026, 6:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf3ad3a3d88190bacde12f515d9971 completed March 22, 2026, 12:41 a.m.
NEDg Description generation batch_69bf3ba6784081908b19717290b7ba3d completed March 22, 2026, 12:45 a.m.
NED2 Entity disambiguation (via description) batch_69bf3c1ad4d8819093aeb94f62eb1086 completed March 22, 2026, 12:47 a.m.
Created at: March 20, 2026, 2:07 p.m.