Triple
T9138231
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 1985 Mexico City earthquake |
E219257
|
entity |
| Predicate | locatedOn |
P40
|
FINISHED |
| Object |
Middle America Trench subduction interface
The Middle America Trench subduction interface is a major convergent plate boundary off the Pacific coast of Central America and Mexico where the Cocos Plate is forced beneath the North American and Caribbean Plates, generating powerful megathrust earthquakes.
|
E780320
|
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: Middle America Trench subduction interface | Statement: [1985 Mexico City earthquake, locatedOn, Middle America Trench subduction interface]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Middle America Trench subduction interface Context triple: [1985 Mexico City earthquake, locatedOn, Middle America Trench subduction interface]
-
A.
Tonga-Kermadec subduction system
The Tonga-Kermadec subduction system is a major convergent plate boundary in the southwest Pacific where the Pacific Plate descends beneath the Indo-Australian Plate, producing one of the world’s deepest ocean trenches and most active seismic and volcanic regions.
-
B.
East Pacific tectonic system
The East Pacific tectonic system is a major geological region in the eastern Pacific Ocean characterized by active seafloor spreading, transform faults, and subduction zones that shape the surrounding oceanic plates and continental margins.
-
C.
Sunda subduction system
The Sunda subduction system is a major convergent plate boundary in Southeast Asia where the Indo-Australian Plate is being subducted beneath the Eurasian/Sunda Plate, generating intense seismic and volcanic activity along Indonesia’s island arcs.
-
D.
Aleutian subduction system
The Aleutian subduction system is a major tectonic plate boundary where the Pacific Plate is forced beneath the North American Plate, forming the Aleutian Trench and associated volcanic island arc in the North Pacific.
-
E.
Pacific–North American plate boundary system
The Pacific–North American plate boundary system is a major tectonic boundary zone where the Pacific Plate and North American Plate interact through a complex network of faults and plate motions along western North America.
- 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: Middle America Trench subduction interface Triple: [1985 Mexico City earthquake, locatedOn, Middle America Trench subduction interface]
Generated description
The Middle America Trench subduction interface is a major convergent plate boundary off the Pacific coast of Central America and Mexico where the Cocos Plate is forced beneath the North American and Caribbean Plates, generating powerful megathrust earthquakes.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Middle America Trench subduction interface Target entity description: The Middle America Trench subduction interface is a major convergent plate boundary off the Pacific coast of Central America and Mexico where the Cocos Plate is forced beneath the North American and Caribbean Plates, generating powerful megathrust earthquakes.
-
A.
Tonga-Kermadec subduction system
The Tonga-Kermadec subduction system is a major convergent plate boundary in the southwest Pacific where the Pacific Plate descends beneath the Indo-Australian Plate, producing one of the world’s deepest ocean trenches and most active seismic and volcanic regions.
-
B.
East Pacific tectonic system
The East Pacific tectonic system is a major geological region in the eastern Pacific Ocean characterized by active seafloor spreading, transform faults, and subduction zones that shape the surrounding oceanic plates and continental margins.
-
C.
Sunda subduction system
The Sunda subduction system is a major convergent plate boundary in Southeast Asia where the Indo-Australian Plate is being subducted beneath the Eurasian/Sunda Plate, generating intense seismic and volcanic activity along Indonesia’s island arcs.
-
D.
Aleutian subduction system
The Aleutian subduction system is a major tectonic plate boundary where the Pacific Plate is forced beneath the North American Plate, forming the Aleutian Trench and associated volcanic island arc in the North Pacific.
-
E.
Pacific–North American plate boundary system
The Pacific–North American plate boundary system is a major tectonic boundary zone where the Pacific Plate and North American Plate interact through a complex network of faults and plate motions along western North America.
- 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_69ca83e012288190a5771058adbaabd2 |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69cca8efe3b88190a55a15827e6817a4 |
completed | April 1, 2026, 5:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d0480458348190b0b87f7a66d85b87 |
completed | April 3, 2026, 11:06 p.m. |
| NEDg | Description generation | batch_69d049058dec81909854965276252808 |
completed | April 3, 2026, 11:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d049913b7481909ccbaf4999e37c06 |
completed | April 3, 2026, 11:13 p.m. |
Created at: March 30, 2026, 7:19 p.m.