Triple
T989532
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pyramid Lake |
E21355
|
entity |
| Predicate | locatedInFormerLake |
P22801
|
FINISHED |
| Object |
Pleistocene Lake Lahontan basin
The Pleistocene Lake Lahontan basin is an ancient, now mostly dry hydrologic basin in the Great Basin region of Nevada that once held a vast Ice Age lake covering much of northwestern Nevada.
|
E134242
|
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: Pleistocene Lake Lahontan basin | Statement: [Pyramid Lake, locatedInFormerLake, Pleistocene Lake Lahontan basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pleistocene Lake Lahontan basin Context triple: [Pyramid Lake, locatedInFormerLake, Pleistocene Lake Lahontan basin]
-
A.
Great Basin
The Great Basin is a vast, arid region of interior drainage in the western United States, characterized by its basin-and-range topography, deserts, and salt flats.
-
B.
Mono Basin
Mono Basin is a high-desert watershed in eastern California best known for Mono Lake, its striking tufa formations, and its dramatic Eastern Sierra scenery.
-
C.
Salton Trough
The Salton Trough is a tectonic depression in Southern California and northern Mexico that forms the northernmost extension of the Gulf of California rift zone.
-
D.
Morongo Basin
The Morongo Basin is a high desert region in Southern California’s Mojave Desert, known for its scattered communities, arid landscapes, and proximity to Joshua Tree National Park.
-
E.
Lake Tahoe Basin
The Lake Tahoe Basin is a high-altitude watershed in the Sierra Nevada centered on Lake Tahoe, renowned for its clear alpine lake, surrounding forests, and year-round outdoor recreation.
- 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: Pleistocene Lake Lahontan basin Triple: [Pyramid Lake, locatedInFormerLake, Pleistocene Lake Lahontan basin]
Generated description
The Pleistocene Lake Lahontan basin is an ancient, now mostly dry hydrologic basin in the Great Basin region of Nevada that once held a vast Ice Age lake covering much of northwestern Nevada.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pleistocene Lake Lahontan basin Target entity description: The Pleistocene Lake Lahontan basin is an ancient, now mostly dry hydrologic basin in the Great Basin region of Nevada that once held a vast Ice Age lake covering much of northwestern Nevada.
-
A.
Great Basin
The Great Basin is a vast, arid region of interior drainage in the western United States, characterized by its basin-and-range topography, deserts, and salt flats.
-
B.
Mono Basin
Mono Basin is a high-desert watershed in eastern California best known for Mono Lake, its striking tufa formations, and its dramatic Eastern Sierra scenery.
-
C.
Salton Trough
The Salton Trough is a tectonic depression in Southern California and northern Mexico that forms the northernmost extension of the Gulf of California rift zone.
-
D.
Morongo Basin
The Morongo Basin is a high desert region in Southern California’s Mojave Desert, known for its scattered communities, arid landscapes, and proximity to Joshua Tree National Park.
-
E.
Lake Tahoe Basin
The Lake Tahoe Basin is a high-altitude watershed in the Sierra Nevada centered on Lake Tahoe, renowned for its clear alpine lake, surrounding forests, and year-round outdoor recreation.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: locatedInFormerLake Context triple: [Pyramid Lake, locatedInFormerLake, Pleistocene Lake Lahontan basin]
-
A.
hasNearbyLake
Indicates that one entity is located close to or in the vicinity of a lake.
-
B.
locatedOnWaterbody
Indicates that an entity is situated on or directly adjacent to a specified body of water.
-
C.
locatedInBasin
Indicates that one geographical or hydrological feature lies within the drainage or catchment area of a specified basin.
-
D.
hasMajorLake
Indicates that a geographic region or area contains at least one significant lake within its boundaries.
-
E.
hydrologicallyLocatedIn
Indicates that a water-related feature (such as a river, lake, or watershed) is situated within or associated with a specific geographic or administrative area in terms of hydrology.
- F. None of above. chosen
Provenance (7 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_69a493c383dc8190a03257f22d4b4183 |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4b4aa16f081909dcc7a7ce3fb1b64 |
completed | March 1, 2026, 9:50 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac66179f908190b3f0144d1ee91a1c |
completed | March 7, 2026, 5:53 p.m. |
| NEDg | Description generation | batch_69ac66f0e874819092d51913f08905d4 |
completed | March 7, 2026, 5:57 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac676cb9a08190a83d47de80126677 |
completed | March 7, 2026, 5:59 p.m. |
| PD | Predicate disambiguation | batch_69a4b2abccbc8190a83af432f89eacf5 |
completed | March 1, 2026, 9:42 p.m. |
| PDg | Predicate description generation | batch_69a4b38630848190bd3898a4f42018ad |
completed | March 1, 2026, 9:45 p.m. |
Created at: March 1, 2026, 7:41 p.m.