Triple

T5169714
Position Surface form Disambiguated ID Type / Status
Subject San Mateo County History Museum E116646 entity
Predicate occupies P2574 FINISHED
Object former San Mateo County Courthouse
The former San Mateo County Courthouse is a historic Beaux-Arts style civic building in Redwood City, California, now preserved as a landmark and cultural center.
E499673 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: former San Mateo County Courthouse | Statement: [San Mateo County History Museum, occupies, former San Mateo County Courthouse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: former San Mateo County Courthouse
Context triple: [San Mateo County History Museum, occupies, former San Mateo County Courthouse]
  • A. Contra Costa County Courthouse
    Contra Costa County Courthouse is the main judicial complex and historic county government building serving Contra Costa County in Martinez, California.
  • B. Riverside County Historic Courthouse
    Riverside County Historic Courthouse is a Beaux-Arts style landmark courthouse in downtown Riverside, California, renowned for its grand architecture and role as a centerpiece of the city's civic and historic district.
  • C. Santa Barbara County Courthouse
    The Santa Barbara County Courthouse is a historic California landmark renowned for its ornate Spanish Colonial Revival architecture, lush sunken gardens, and panoramic clock tower views.
  • D. Phillip Burton Federal Building and United States Courthouse
    The Phillip Burton Federal Building and United States Courthouse is a major federal office and judicial complex in San Francisco that houses multiple U.S. government agencies and courtrooms.
  • E. Robert T. Matsui United States Courthouse
    The Robert T. Matsui United States Courthouse is a federal courthouse in Sacramento, California, named in honor of longtime Congressman Robert T. Matsui.
  • 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: former San Mateo County Courthouse
Triple: [San Mateo County History Museum, occupies, former San Mateo County Courthouse]
Generated description
The former San Mateo County Courthouse is a historic Beaux-Arts style civic building in Redwood City, California, now preserved as a landmark and cultural center.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: former San Mateo County Courthouse
Target entity description: The former San Mateo County Courthouse is a historic Beaux-Arts style civic building in Redwood City, California, now preserved as a landmark and cultural center.
  • A. Contra Costa County Courthouse
    Contra Costa County Courthouse is the main judicial complex and historic county government building serving Contra Costa County in Martinez, California.
  • B. Riverside County Historic Courthouse
    Riverside County Historic Courthouse is a Beaux-Arts style landmark courthouse in downtown Riverside, California, renowned for its grand architecture and role as a centerpiece of the city's civic and historic district.
  • C. Santa Barbara County Courthouse
    The Santa Barbara County Courthouse is a historic California landmark renowned for its ornate Spanish Colonial Revival architecture, lush sunken gardens, and panoramic clock tower views.
  • D. Phillip Burton Federal Building and United States Courthouse
    The Phillip Burton Federal Building and United States Courthouse is a major federal office and judicial complex in San Francisco that houses multiple U.S. government agencies and courtrooms.
  • E. Robert T. Matsui United States Courthouse
    The Robert T. Matsui United States Courthouse is a federal courthouse in Sacramento, California, named in honor of longtime Congressman Robert T. Matsui.
  • 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_69bd445ff97c81909a2615cc56235470 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd794f44248190a3a90c92208104a7 completed March 20, 2026, 4:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69bed93f33ac8190b2f60a8e95685bc8 completed March 21, 2026, 5:45 p.m.
NEDg Description generation batch_69beda0419108190862d028a14227e8a completed March 21, 2026, 5:48 p.m.
NED2 Entity disambiguation (via description) batch_69bedaa232ac81908c5ee2d4ba8cbcd7 completed March 21, 2026, 5:51 p.m.
Created at: March 20, 2026, 1:45 p.m.