Triple

T8864414
Position Surface form Disambiguated ID Type / Status
Subject San Leandro E210976 entity
Predicate foundedAs P364 FINISHED
Object Spanish land grant area Rancho San Leandro
Spanish land grant area Rancho San Leandro was a 19th-century Mexican-era land grant in present-day Alameda County, California, that later became the site of the modern city of San Leandro.
E762342 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: Spanish land grant area Rancho San Leandro | Statement: [San Leandro, foundedAs, Spanish land grant area Rancho San Leandro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Spanish land grant area Rancho San Leandro
Context triple: [San Leandro, foundedAs, Spanish land grant area Rancho San Leandro]
  • A. Feliz family land grant Rancho Los Feliz
    The Feliz family land grant Rancho Los Feliz was a large Mexican-era land grant in what is now Los Angeles, California, that formed the historical basis for the modern Los Feliz neighborhood.
  • B. Alviso area of San Jose
    The Alviso area of San Jose is a historic, low-lying waterfront district at the southern end of San Francisco Bay known for its wetlands, salt ponds, and vulnerability to flooding.
  • C. Ranchos
    Ranchos is a southwestern-themed lodging area within Disney's Coronado Springs Resort, featuring desert-style landscaping and rustic, pueblo-inspired architecture.
  • D. Rancho San Antonio County Park and Open Space Preserve
    Rancho San Antonio County Park and Open Space Preserve is a popular Santa Clara County recreational area featuring extensive hiking trails, open space, and scenic foothill landscapes.
  • E. Irvine Ranch land holdings
    Irvine Ranch land holdings comprise the extensive master-planned residential, commercial, and open-space properties in Orange County, California, historically developed and managed by The Irvine Company.
  • 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: Spanish land grant area Rancho San Leandro
Triple: [San Leandro, foundedAs, Spanish land grant area Rancho San Leandro]
Generated description
Spanish land grant area Rancho San Leandro was a 19th-century Mexican-era land grant in present-day Alameda County, California, that later became the site of the modern city of San Leandro.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Spanish land grant area Rancho San Leandro
Target entity description: Spanish land grant area Rancho San Leandro was a 19th-century Mexican-era land grant in present-day Alameda County, California, that later became the site of the modern city of San Leandro.
  • A. Feliz family land grant Rancho Los Feliz
    The Feliz family land grant Rancho Los Feliz was a large Mexican-era land grant in what is now Los Angeles, California, that formed the historical basis for the modern Los Feliz neighborhood.
  • B. Alviso area of San Jose
    The Alviso area of San Jose is a historic, low-lying waterfront district at the southern end of San Francisco Bay known for its wetlands, salt ponds, and vulnerability to flooding.
  • C. Ranchos
    Ranchos is a southwestern-themed lodging area within Disney's Coronado Springs Resort, featuring desert-style landscaping and rustic, pueblo-inspired architecture.
  • D. Rancho San Antonio County Park and Open Space Preserve
    Rancho San Antonio County Park and Open Space Preserve is a popular Santa Clara County recreational area featuring extensive hiking trails, open space, and scenic foothill landscapes.
  • E. Irvine Ranch land holdings
    Irvine Ranch land holdings comprise the extensive master-planned residential, commercial, and open-space properties in Orange County, California, historically developed and managed by The Irvine Company.
  • 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_69ca838d3c7c8190a849566d5afd2b11 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc610569d08190b108107dfe397f18 completed April 1, 2026, 12:04 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfa0caccd88190b6464f53d0239e47 completed April 3, 2026, 11:13 a.m.
NEDg Description generation batch_69cfa1abe8248190b6db4713292bdfd3 completed April 3, 2026, 11:17 a.m.
NED2 Entity disambiguation (via description) batch_69cfa24efdc081908ef615305deb5b15 completed April 3, 2026, 11:19 a.m.
Created at: March 30, 2026, 6:51 p.m.