Triple

T3999008
Position Surface form Disambiguated ID Type / Status
Subject Richmond–Millbrae line E87165 entity
Predicate passesThrough P225 FINISHED
Object El Cerrito
El Cerrito is a small suburban city in California's San Francisco Bay Area, located in western Contra Costa County just north of Berkeley.
E410126 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: El Cerrito | Statement: [Richmond–Millbrae line, passesThrough, El Cerrito]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: El Cerrito
Context triple: [Richmond–Millbrae line, passesThrough, El Cerrito]
  • A. Cerritos
    Cerritos is a suburban city in southeastern Los Angeles County, California, known for its planned residential communities, strong public schools, and major retail centers like the Los Cerritos Center.
  • B. Palo Cedro
    Palo Cedro is a small unincorporated community in Northern California known for its rural character and proximity to the city of Redding.
  • C. Las Cañitas
    Las Cañitas is a trendy, upscale neighborhood in Buenos Aires known for its vibrant nightlife, fashionable restaurants, and proximity to the city’s polo fields.
  • D. Pueblo del Arroyo
    Pueblo del Arroyo is a large, multi-storied Ancestral Puebloan great house ruin in northwestern New Mexico, notable for its distinctive masonry and role in the Chacoan cultural system.
  • E. Rincon Hill
    Rincon Hill is a residential and commercial neighborhood in San Francisco known for its high-rise condos, views of the Bay Bridge, and proximity to the city’s downtown and waterfront.
  • 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: El Cerrito
Triple: [Richmond–Millbrae line, passesThrough, El Cerrito]
Generated description
El Cerrito is a small suburban city in California's San Francisco Bay Area, located in western Contra Costa County just north of Berkeley.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: El Cerrito
Target entity description: El Cerrito is a small suburban city in California's San Francisco Bay Area, located in western Contra Costa County just north of Berkeley.
  • A. Cerritos
    Cerritos is a suburban city in southeastern Los Angeles County, California, known for its planned residential communities, strong public schools, and major retail centers like the Los Cerritos Center.
  • B. Palo Cedro
    Palo Cedro is a small unincorporated community in Northern California known for its rural character and proximity to the city of Redding.
  • C. Las Cañitas
    Las Cañitas is a trendy, upscale neighborhood in Buenos Aires known for its vibrant nightlife, fashionable restaurants, and proximity to the city’s polo fields.
  • D. Pueblo del Arroyo
    Pueblo del Arroyo is a large, multi-storied Ancestral Puebloan great house ruin in northwestern New Mexico, notable for its distinctive masonry and role in the Chacoan cultural system.
  • E. Rincon Hill
    Rincon Hill is a residential and commercial neighborhood in San Francisco known for its high-rise condos, views of the Bay Bridge, and proximity to the city’s downtown and waterfront.
  • 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_69aed94118148190975e6aa4e554cde9 completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefa4065ac8190a898a1025365b8e9 completed March 9, 2026, 4:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5628d37a0819090595f083343989e completed March 14, 2026, 1:28 p.m.
NEDg Description generation batch_69b563e6afb081909cec86f922603c7d completed March 14, 2026, 1:34 p.m.
NED2 Entity disambiguation (via description) batch_69b5641e09d08190bf83c9a730e1bf34 completed March 14, 2026, 1:35 p.m.
Created at: March 9, 2026, 3:34 p.m.