Triple

T2063913
Position Surface form Disambiguated ID Type / Status
Subject San Mateo E45852 entity
Predicate schoolDistrict P226 FINISHED
Object San Mateo Union High School District
San Mateo Union High School District is a public high school district serving multiple communities in San Mateo County, California, providing secondary education through several comprehensive and specialized high schools.
 E233121 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: San Mateo Union High School District | Statement: [San Mateo, schoolDistrict, San Mateo Union High School District]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Mateo Union High School District
Context triple: [San Mateo, schoolDistrict, San Mateo Union High School District]
  • A. South San Francisco Unified School District
    South San Francisco Unified School District is a public school district in northern San Mateo County, California, serving students in South San Francisco and nearby communities from elementary through high school.
  • B. Los Altos School District
    Los Altos School District is a public K–8 school district serving the city of Los Altos and surrounding communities in California’s Silicon Valley.
  • C. Mountain View–Los Altos Union High School District
    Mountain View–Los Altos Union High School District is a public school district in California that operates high schools serving the communities of Mountain View, Los Altos, and surrounding areas in Silicon Valley.
  • D. Menlo Park City School District
    Menlo Park City School District is a public school district serving elementary and middle school students in the Menlo Park and Atherton areas of California’s San Francisco Peninsula.
  • E. San Mateo High School
    San Mateo High School is a public secondary school in San Mateo, California, known for its strong academic programs and diverse student body.
  • 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: San Mateo Union High School District
Triple: [San Mateo, schoolDistrict, San Mateo Union High School District]
Generated description
San Mateo Union High School District is a public high school district serving multiple communities in San Mateo County, California, providing secondary education through several comprehensive and specialized high schools.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: San Mateo Union High School District
Target entity description: San Mateo Union High School District is a public high school district serving multiple communities in San Mateo County, California, providing secondary education through several comprehensive and specialized high schools.
  • A. South San Francisco Unified School District
    South San Francisco Unified School District is a public school district in northern San Mateo County, California, serving students in South San Francisco and nearby communities from elementary through high school.
  • B. Los Altos School District
    Los Altos School District is a public K–8 school district serving the city of Los Altos and surrounding communities in California’s Silicon Valley.
  • C. Mountain View–Los Altos Union High School District
    Mountain View–Los Altos Union High School District is a public school district in California that operates high schools serving the communities of Mountain View, Los Altos, and surrounding areas in Silicon Valley.
  • D. Menlo Park City School District
    Menlo Park City School District is a public school district serving elementary and middle school students in the Menlo Park and Atherton areas of California’s San Francisco Peninsula.
  • E. San Mateo High School
    San Mateo High School is a public secondary school in San Mateo, California, known for its strong academic programs and diverse student body.
  • 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_69a8891b38288190abd572ccad9b6928 completed March 4, 2026, 7:33 p.m.
NER Named-entity recognition batch_69abb9d3a92081909416c1d087876e99 completed March 7, 2026, 5:38 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae305263f88190b448fb134163d5aa completed March 9, 2026, 2:28 a.m.
NEDg Description generation batch_69ae30e0411c81908cd19bf8d3525056 completed March 9, 2026, 2:30 a.m.
NED2 Entity disambiguation (via description) batch_69ae31849d7c8190a4e3c90334bf21a5 completed March 9, 2026, 2:33 a.m.
Created at: March 4, 2026, 7:40 p.m.