Triple

T545381
Position Surface form Disambiguated ID Type / Status
Subject Cape Mendocino E12720 entity
Predicate near P350 FINISHED
Object Mendocino Triple Junction
The Mendocino Triple Junction is a tectonically active region off the coast of northern California where three major tectonic plates meet, making it a significant site for earthquakes and geological research.
E12720 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: Mendocino Triple Junction | Statement: [Cape Mendocino, near, Mendocino Triple Junction]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mendocino Triple Junction
Context triple: [Cape Mendocino, near, Mendocino Triple Junction]
  • A. Bouvet Triple Junction region
    The Bouvet Triple Junction region is a remote area in the South Atlantic Ocean where three major tectonic plate boundaries meet near Bouvet Island, forming a complex seafloor spreading and faulting system.
  • B. Cape Mendocino
    Cape Mendocino is a remote, rugged headland on California’s northern coast known as the state’s westernmost point and a seismically active area influenced by major tectonic plate boundaries.
  • C. Azores Triple Junction
    The Azores Triple Junction is a tectonic plate boundary region in the North Atlantic Ocean where the North American, Eurasian, and African plates converge and interact.
  • D. Juan de Fuca Ridge
    Juan de Fuca Ridge is an underwater volcanic spreading center in the northeastern Pacific Ocean where new oceanic crust forms as tectonic plates diverge.
  • E. Gulf of California rift zone
    The Gulf of California rift zone is an active tectonic region where continental crust is being stretched and thinned, linking the San Andreas Fault system to seafloor spreading centers in the eastern Pacific.
  • 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: Mendocino Triple Junction
Triple: [Cape Mendocino, near, Mendocino Triple Junction]
Generated description
The Mendocino Triple Junction is a tectonically active region off the coast of northern California where three major tectonic plates meet, making it a significant site for earthquakes and geological research.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Mendocino Triple Junction
Target entity description: The Mendocino Triple Junction is a tectonically active region off the coast of northern California where three major tectonic plates meet, making it a significant site for earthquakes and geological research.
  • A. Bouvet Triple Junction region
    The Bouvet Triple Junction region is a remote area in the South Atlantic Ocean where three major tectonic plate boundaries meet near Bouvet Island, forming a complex seafloor spreading and faulting system.
  • B. Cape Mendocino chosen
    Cape Mendocino is a remote, rugged headland on California’s northern coast known as the state’s westernmost point and a seismically active area influenced by major tectonic plate boundaries.
  • C. Azores Triple Junction
    The Azores Triple Junction is a tectonic plate boundary region in the North Atlantic Ocean where the North American, Eurasian, and African plates converge and interact.
  • D. Juan de Fuca Ridge
    Juan de Fuca Ridge is an underwater volcanic spreading center in the northeastern Pacific Ocean where new oceanic crust forms as tectonic plates diverge.
  • E. Gulf of California rift zone
    The Gulf of California rift zone is an active tectonic region where continental crust is being stretched and thinned, linking the San Andreas Fault system to seafloor spreading centers in the eastern Pacific.
  • F. None of above.

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_69a49334226c81908b0ea1689ef6aa3f completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a498dfec5c81908b76d723b30dc2f0 completed March 1, 2026, 7:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4d042a590819096ed622dc6bcf8e4 completed March 1, 2026, 11:48 p.m.
NEDg Description generation batch_69a4d0a6aa508190b8a29de838d2dbb0 completed March 1, 2026, 11:49 p.m.
NED2 Entity disambiguation (via description) batch_69a4d114973c81908c3d8fb393f9ee14 completed March 1, 2026, 11:51 p.m.
Created at: March 1, 2026, 7:32 p.m.