Triple
T6028601
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pleistocene Lake Lahontan basin |
E134242
|
entity |
| Predicate | containsFormerLake |
P22801
|
FINISHED |
| Object |
Lake Lahontan
Lake Lahontan was a vast prehistoric pluvial lake that covered much of what is now northwestern Nevada during the Pleistocene epoch.
|
E565741
|
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: Lake Lahontan | Statement: [Pleistocene Lake Lahontan basin, containsFormerLake, Lake Lahontan]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Lahontan Context triple: [Pleistocene Lake Lahontan basin, containsFormerLake, Lake Lahontan]
-
A.
Lake Bonneville
Lake Bonneville was a massive prehistoric pluvial lake that once covered much of present-day Utah and surrounding areas during the last Ice Age, leaving behind features such as the Great Salt Lake and prominent shoreline terraces.
-
B.
Pyramid Lake
Pyramid Lake is a scenic alpine lake in the Canadian Rockies, renowned for its clear waters, surrounding mountain views, and outdoor recreation opportunities.
-
C.
Pyramid Lake
Pyramid Lake is a large desert lake in northwestern Nevada known for its striking pyramid-shaped tufa formations and cultural significance to the Pyramid Lake Paiute Tribe.
-
D.
Pyramid Lake
Pyramid Lake is a man-made reservoir in Southern California’s Angeles National Forest, popular for boating, fishing, and camping.
-
E.
Mono Lake
Mono Lake is a large, ancient saline soda lake in eastern California renowned for its striking tufa towers, high salinity, and unique ecosystem supporting migratory birds and brine shrimp.
- 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: Lake Lahontan Triple: [Pleistocene Lake Lahontan basin, containsFormerLake, Lake Lahontan]
Generated description
Lake Lahontan was a vast prehistoric pluvial lake that covered much of what is now northwestern Nevada during the Pleistocene epoch.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lake Lahontan Target entity description: Lake Lahontan was a vast prehistoric pluvial lake that covered much of what is now northwestern Nevada during the Pleistocene epoch.
-
A.
Lake Bonneville
Lake Bonneville was a massive prehistoric pluvial lake that once covered much of present-day Utah and surrounding areas during the last Ice Age, leaving behind features such as the Great Salt Lake and prominent shoreline terraces.
-
B.
Pyramid Lake
Pyramid Lake is a scenic alpine lake in the Canadian Rockies, renowned for its clear waters, surrounding mountain views, and outdoor recreation opportunities.
-
C.
Pyramid Lake
Pyramid Lake is a large desert lake in northwestern Nevada known for its striking pyramid-shaped tufa formations and cultural significance to the Pyramid Lake Paiute Tribe.
-
D.
Pyramid Lake
Pyramid Lake is a man-made reservoir in Southern California’s Angeles National Forest, popular for boating, fishing, and camping.
-
E.
Mono Lake
Mono Lake is a large, ancient saline soda lake in eastern California renowned for its striking tufa towers, high salinity, and unique ecosystem supporting migratory birds and brine shrimp.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: containsFormerLake Context triple: [Pleistocene Lake Lahontan basin, containsFormerLake, Lake Lahontan]
-
A.
locatedInFormerLake
chosen
Indicates that an entity is situated within the area that was once occupied by a lake that no longer exists.
-
B.
hasLakeThatRepresents
Indicates a relationship where a lake serves as a symbolic or representative feature for something, such as a place, concept, or entity.
-
C.
hasProglacialLake
Indicates that a glacier or ice sheet is or was associated with a lake formed directly in front of it by meltwater or ice-dammed water.
-
D.
hasLowerLake
Indicates that one lake is situated at a lower elevation or downstream position relative to another lake.
-
E.
hasMajorLake
Indicates that a geographic region or area contains at least one significant lake within its boundaries.
- 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_69c0087515148190a97475d412563865 |
completed | March 22, 2026, 3:19 p.m. |
| NER | Named-entity recognition | batch_69c0560fdc84819093abba13054ea1ee |
completed | March 22, 2026, 8:50 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c11cefa21081909defda4da9278116 |
completed | March 23, 2026, 10:58 a.m. |
| NEDg | Description generation | batch_69c11d91ddec819088e0c3988a4ba5b4 |
completed | March 23, 2026, 11:01 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c11e2da4408190a0b32a2712cb77df |
completed | March 23, 2026, 11:04 a.m. |
| PD | Predicate disambiguation | batch_69c049e9a68c81909da0cfe4779ce9b5 |
completed | March 22, 2026, 7:58 p.m. |
Created at: March 22, 2026, 4:07 p.m.