Triple

T71559
Position Surface form Disambiguated ID Type / Status
Subject California–Nevada border E1431 entity
Predicate hasCoordinateReference P2054 FINISHED
Object Mount Diablo meridian
The Mount Diablo meridian is a principal survey meridian in California used as a reference line for land surveying and mapping across much of the state and parts of Nevada.
E6889 NE FINISHED

How this triple was built (5 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: Mount Diablo meridian | Statement: [California–Nevada border, hasCoordinateReference, Mount Diablo meridian]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mount Diablo meridian
Context triple: [California–Nevada border, hasCoordinateReference, Mount Diablo meridian]
  • A. Carson Pass
    Carson Pass is a high mountain pass in California’s central Sierra Nevada, known for its scenic alpine landscapes, hiking trails, and historic role as a route for emigrant wagon trains.
  • B. Paso de San Francisco
    Paso de San Francisco is a high-altitude Andean mountain pass on the Argentina–Chile border, known as a key access route to the Ojos del Salado volcano and surrounding desert landscapes.
  • C. Donner Pass
    Donner Pass is a historically significant mountain pass in California’s Sierra Nevada, known for its challenging terrain, transcontinental railroad route, and the ill-fated Donner Party.
  • D. Tioga Pass
    Tioga Pass is a high mountain pass in California’s Sierra Nevada, best known as the eastern entrance to Yosemite National Park and one of the highest paved roads in the state.
  • E. Nevada Fall
    Nevada Fall is a prominent and picturesque waterfall on the Merced River in Yosemite National Park, known for its powerful drop and dramatic granite surroundings.
  • 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: Mount Diablo meridian
Triple: [California–Nevada border, hasCoordinateReference, Mount Diablo meridian]
Generated description
The Mount Diablo meridian is a principal survey meridian in California used as a reference line for land surveying and mapping across much of the state and parts of Nevada.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mount Diablo meridian
Target entity description: The Mount Diablo meridian is a principal survey meridian in California used as a reference line for land surveying and mapping across much of the state and parts of Nevada.
  • A. Carson Pass
    Carson Pass is a high mountain pass in California’s central Sierra Nevada, known for its scenic alpine landscapes, hiking trails, and historic role as a route for emigrant wagon trains.
  • B. Paso de San Francisco
    Paso de San Francisco is a high-altitude Andean mountain pass on the Argentina–Chile border, known as a key access route to the Ojos del Salado volcano and surrounding desert landscapes.
  • C. Donner Pass
    Donner Pass is a historically significant mountain pass in California’s Sierra Nevada, known for its challenging terrain, transcontinental railroad route, and the ill-fated Donner Party.
  • D. Tioga Pass
    Tioga Pass is a high mountain pass in California’s Sierra Nevada, best known as the eastern entrance to Yosemite National Park and one of the highest paved roads in the state.
  • E. Nevada Fall
    Nevada Fall is a prominent and picturesque waterfall on the Merced River in Yosemite National Park, known for its powerful drop and dramatic granite surroundings.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasCoordinateReference
Context triple: [California–Nevada border, hasCoordinateReference, Mount Diablo meridian]
  • A. coordinateSystem chosen
    Indicates that one entity defines or uses a particular spatial or reference coordinate system in relation to another entity.
  • B. coordinates
    Indicates that one entity organizes, directs, or harmonizes the actions or efforts of another entity or group to achieve a unified outcome.
  • C. coordinatesWith
    Indicates that one entity works together with another in an organized or synchronized manner to achieve a shared or compatible outcome.
  • D. coordinateLatitude
    Indicates the north–south geographic position of an entity on the Earth’s surface, expressed as a latitude coordinate.
  • E. hasPolarRadius
    Indicates that an entity possesses a specific radius measured from its center to its pole, typically used for spheroidal or planetary bodies.
  • F. None of above.

Provenance (6 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_69a24c06b3bc8190aa4ac89026115efc completed Feb. 28, 2026, 1:59 a.m.
NER Named-entity recognition batch_69a24f6997c081908b202f937eb2b14f completed Feb. 28, 2026, 2:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69a25abaa7dc8190b65fa9d213a40790 completed Feb. 28, 2026, 3:02 a.m.
NEDg Description generation batch_69a25ba89b70819086966936d11a8dcf completed Feb. 28, 2026, 3:06 a.m.
NED2 Entity disambiguation (via description) batch_69a25c29bf708190966d4a036ae69f10 completed Feb. 28, 2026, 3:08 a.m.
PD Predicate disambiguation batch_69a24eab7f408190a8275cb82474f575 completed Feb. 28, 2026, 2:10 a.m.
Created at: Feb. 28, 2026, 2:03 a.m.