Triple

T9767198
Position Surface form Disambiguated ID Type / Status
Subject Otay River E237024 entity
Predicate sourceRegion P410 FINISHED
Object San Ysidro Mountains
The San Ysidro Mountains are a small, rugged mountain range in southern San Diego County, California, near the U.S.–Mexico border, known for their chaparral-covered slopes and role in the region’s watershed.
 E827504 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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 Ysidro Mountains | Statement: [Otay River, sourceRegion, San Ysidro Mountains]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: San Ysidro Mountains
Context triple: [Otay River, sourceRegion, San Ysidro Mountains]
  • A. San Emigdio Mountains
    The San Emigdio Mountains are a rugged mountain range in Southern California forming part of the southern edge of the San Joaquin Valley and the western end of the Transverse Ranges.
  • B. Rincon Mountains
    The Rincon Mountains are a rugged mountain range in southern Arizona that form part of Saguaro National Park and rise prominently to the east of Tucson.
  • C. Orocopia Mountains
    The Orocopia Mountains are a rugged, arid mountain range in Southern California known for their desert landscapes, geological diversity, and proximity to the San Andreas Fault.
  • D. Socorro Mountains
    The Socorro Mountains are a rugged mountain range in central New Mexico known for their volcanic geology and proximity to the Rio Grande Rift.
  • E. Raton Mountains
    The Raton Mountains are a volcanic-origin mountain range in southern Colorado and northern New Mexico, forming a key segment of the Sangre de Cristo Mountains and a major geographic gateway between the Great Plains and the Rocky Mountains.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: San Ysidro Mountains
Target entity description: The San Ysidro Mountains are a small, rugged mountain range in southern San Diego County, California, near the U.S.–Mexico border, known for their chaparral-covered slopes and role in the region’s watershed.
  • A. San Emigdio Mountains
    The San Emigdio Mountains are a rugged mountain range in Southern California forming part of the southern edge of the San Joaquin Valley and the western end of the Transverse Ranges.
  • B. Rincon Mountains
    The Rincon Mountains are a rugged mountain range in southern Arizona that form part of Saguaro National Park and rise prominently to the east of Tucson.
  • C. Orocopia Mountains
    The Orocopia Mountains are a rugged, arid mountain range in Southern California known for their desert landscapes, geological diversity, and proximity to the San Andreas Fault.
  • D. Socorro Mountains
    The Socorro Mountains are a rugged mountain range in central New Mexico known for their volcanic geology and proximity to the Rio Grande Rift.
  • E. Raton Mountains
    The Raton Mountains are a volcanic-origin mountain range in southern Colorado and northern New Mexico, forming a key segment of the Sangre de Cristo Mountains and a major geographic gateway between the Great Plains and the Rocky Mountains.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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 Ysidro Mountains
Triple: [Otay River, sourceRegion, San Ysidro Mountains]
Generated description
The San Ysidro Mountains are a small, rugged mountain range in southern San Diego County, California, near the U.S.–Mexico border, known for their chaparral-covered slopes and role in the region’s watershed.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69ca84d831b8819090322686b47887ce elicitation completed
NER batch_69cda0a15e408190909745cb1c30937d ner completed
NED1 batch_69d1eac24eb0819083fa42f9ada99f6a ned_source_triple completed
NED2 batch_69d1ebafe91c8190bb13980bacc60a1b ned_description completed
NEDg batch_69d1eb4cf10c8190bd02874776c60b84 nedg completed
Created at: March 30, 2026, 8:25 p.m.