Triple

T5169713
Position Surface form Disambiguated ID Type / Status
Subject San Mateo County History Museum E116646 entity
Predicate locatedInBuilding P40 FINISHED
Object Old San Mateo County Courthouse
The Old San Mateo County Courthouse is a historic Beaux-Arts courthouse in Redwood City, California, now repurposed as a cultural landmark and museum space.
E499672 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: Old San Mateo County Courthouse | Statement: [San Mateo County History Museum, locatedInBuilding, Old San Mateo County Courthouse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Old San Mateo County Courthouse
Context triple: [San Mateo County History Museum, locatedInBuilding, Old San Mateo County Courthouse]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Orange County Courthouse
    The Orange County Courthouse is a historic judicial building and prominent civic landmark serving as the county's main courthouse in Goshen, New York.
  • E. Santa Barbara City Hall
    Santa Barbara City Hall is the main municipal government building of Santa Barbara, California, known for its Spanish Colonial Revival architecture and role as the center of local civic administration.
  • 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: Old San Mateo County Courthouse
Triple: [San Mateo County History Museum, locatedInBuilding, Old San Mateo County Courthouse]
Generated description
The Old San Mateo County Courthouse is a historic Beaux-Arts courthouse in Redwood City, California, now repurposed as a cultural landmark and museum space.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Old San Mateo County Courthouse
Target entity description: The Old San Mateo County Courthouse is a historic Beaux-Arts courthouse in Redwood City, California, now repurposed as a cultural landmark and museum space.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Orange County Courthouse
    The Orange County Courthouse is a historic judicial building and prominent civic landmark serving as the county's main courthouse in Goshen, New York.
  • E. Santa Barbara City Hall
    Santa Barbara City Hall is the main municipal government building of Santa Barbara, California, known for its Spanish Colonial Revival architecture and role as the center of local civic administration.
  • 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.