Triple
T469811
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Grand Coulee Dam |
E8529
|
entity |
| Predicate | reservoir |
P11309
|
FINISHED |
| Object |
Franklin D. Roosevelt Lake
Franklin D. Roosevelt Lake is a large man-made reservoir on the Columbia River in Washington State, created by the construction of Grand Coulee Dam and used for hydroelectric power, irrigation, and recreation.
|
E67739
|
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: Franklin D. Roosevelt Lake | Statement: [Grand Coulee Dam, reservoir, Franklin D. Roosevelt Lake]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Franklin D. Roosevelt Lake Context triple: [Grand Coulee Dam, reservoir, Franklin D. Roosevelt Lake]
-
A.
Osceola Lake
Osceola Lake is a small hamlet within the Town of Yorktown in Westchester County, New York.
-
B.
Walker Lake
Walker Lake is a large natural desert lake in western Nevada known for its shrinking water levels and importance as a habitat for migratory birds and native fish.
-
C.
Woods Lake
Woods Lake is a scenic alpine lake in the Sierra Nevada of California, popular for camping, fishing, and hiking in the Carson Pass area.
-
D.
Longview Lake
Longview Lake is a large recreational reservoir in the Kansas City metropolitan area known for boating, fishing, and surrounding park facilities.
-
E.
Muscoot Reservoir
Muscoot Reservoir is a man-made lake in Westchester County, New York, that serves as a key component of New York City’s Croton water supply system.
- 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: Franklin D. Roosevelt Lake Triple: [Grand Coulee Dam, reservoir, Franklin D. Roosevelt Lake]
Generated description
Franklin D. Roosevelt Lake is a large man-made reservoir on the Columbia River in Washington State, created by the construction of Grand Coulee Dam and used for hydroelectric power, irrigation, and recreation.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Franklin D. Roosevelt Lake Target entity description: Franklin D. Roosevelt Lake is a large man-made reservoir on the Columbia River in Washington State, created by the construction of Grand Coulee Dam and used for hydroelectric power, irrigation, and recreation.
-
A.
Osceola Lake
Osceola Lake is a small hamlet within the Town of Yorktown in Westchester County, New York.
-
B.
Walker Lake
Walker Lake is a large natural desert lake in western Nevada known for its shrinking water levels and importance as a habitat for migratory birds and native fish.
-
C.
Woods Lake
Woods Lake is a scenic alpine lake in the Sierra Nevada of California, popular for camping, fishing, and hiking in the Carson Pass area.
-
D.
Longview Lake
Longview Lake is a large recreational reservoir in the Kansas City metropolitan area known for boating, fishing, and surrounding park facilities.
-
E.
Muscoot Reservoir
Muscoot Reservoir is a man-made lake in Westchester County, New York, that serves as a key component of New York City’s Croton water supply system.
- 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_69a2e7f3aeb48190a19453e3a043f486 |
completed | Feb. 28, 2026, 1:04 p.m. |
| NER | Named-entity recognition | batch_69a2efef8b788190857ebf66df562d59 |
completed | Feb. 28, 2026, 1:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4cc5868d88190bb0b107fb820aafe |
completed | March 1, 2026, 11:31 p.m. |
| NEDg | Description generation | batch_69a4cd16533c8190a9b63c13756e73ec |
completed | March 1, 2026, 11:34 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a4cdc197208190b4b2fe04ca11fa83 |
completed | March 1, 2026, 11:37 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.