Triple
T581481
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Juan de Fuca Ridge |
E15067
|
entity |
| Predicate | terminatesNear |
P388
|
FINISHED |
| Object |
Mendocino Fracture Zone
The Mendocino Fracture Zone is a major east–west-trending transform fault and fracture zone in the northeast Pacific Ocean that marks a significant boundary in the oceanic crust off the coast of northern California.
|
E73345
|
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: Mendocino Fracture Zone | Statement: [Juan de Fuca Ridge, terminatesNear, Mendocino Fracture Zone]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mendocino Fracture Zone Context triple: [Juan de Fuca Ridge, terminatesNear, Mendocino Fracture Zone]
-
A.
Romanche Fracture Zone
The Romanche Fracture Zone is a major transform fault and deep-sea fracture zone in the equatorial Atlantic Ocean that offsets the Mid-Atlantic Ridge and hosts one of the deepest points in the Atlantic basin.
-
B.
Sovanco Fracture Zone
The Sovanco Fracture Zone is a major transform fault system in the northeast Pacific Ocean that accommodates motion between the Explorer and Juan de Fuca tectonic plates.
-
C.
Charlie-Gibbs Fracture Zone
The Charlie-Gibbs Fracture Zone is a major deep-sea transform fault system in the North Atlantic Ocean that offsets and disrupts the continuity of the Mid-Atlantic Ridge.
-
D.
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.
-
E.
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.
- 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 Fracture Zone Triple: [Juan de Fuca Ridge, terminatesNear, Mendocino Fracture Zone]
Generated description
The Mendocino Fracture Zone is a major east–west-trending transform fault and fracture zone in the northeast Pacific Ocean that marks a significant boundary in the oceanic crust off the coast of northern California.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mendocino Fracture Zone Target entity description: The Mendocino Fracture Zone is a major east–west-trending transform fault and fracture zone in the northeast Pacific Ocean that marks a significant boundary in the oceanic crust off the coast of northern California.
-
A.
Romanche Fracture Zone
The Romanche Fracture Zone is a major transform fault and deep-sea fracture zone in the equatorial Atlantic Ocean that offsets the Mid-Atlantic Ridge and hosts one of the deepest points in the Atlantic basin.
-
B.
Sovanco Fracture Zone
The Sovanco Fracture Zone is a major transform fault system in the northeast Pacific Ocean that accommodates motion between the Explorer and Juan de Fuca tectonic plates.
-
C.
Charlie-Gibbs Fracture Zone
The Charlie-Gibbs Fracture Zone is a major deep-sea transform fault system in the North Atlantic Ocean that offsets and disrupts the continuity of the Mid-Atlantic Ridge.
-
D.
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.
-
E.
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.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: terminatesNear Context triple: [Juan de Fuca Ridge, terminatesNear, Mendocino Fracture Zone]
-
A.
occursNear
Indicates that one event or entity takes place or exists in close spatial proximity to another.
-
B.
terminus
chosen
Indicates that one entity serves as the final endpoint or stopping place for another entity’s movement, route, or process.
-
C.
distanceFromTerminus
Indicates the measured distance of an entity from a defined endpoint or terminus along a route, path, or sequence.
-
D.
near
Indicates that one entity is located at a short distance from another entity in space or position.
-
E.
terminusEast
Indicates that one entity serves as the eastern endpoint or final stop of another entity, such as a route, line, or path.
- 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_69a4935783b8819082b77726ec10cc42 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a49b84899881909d5b2b4e67e22d9b |
completed | March 1, 2026, 8:03 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a50e23bce481908404040b848ba9c1 |
completed | March 2, 2026, 4:12 a.m. |
| NEDg | Description generation | batch_69a50ed652148190a84c0d2aa5307211 |
completed | March 2, 2026, 4:15 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a50f53c16c8190bbeb7fa550ed46b1 |
completed | March 2, 2026, 4:17 a.m. |
| PD | Predicate disambiguation | batch_69a494c7f9008190bd8d05b4dc2a7c7f |
completed | March 1, 2026, 7:34 p.m. |
Created at: March 1, 2026, 7:33 p.m.