Triple
T7914534
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Des Moines River |
E183785
|
entity |
| Predicate | hasDam |
P8736
|
FINISHED |
| Object |
Saylorville Dam
Saylorville Dam is a large flood-control and recreation dam on the Des Moines River in central Iowa, forming Saylorville Lake just upstream of Des Moines.
|
E731621
|
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: Saylorville Dam | Statement: [Des Moines River, hasDam, Saylorville Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Saylorville Dam Context triple: [Des Moines River, hasDam, Saylorville Dam]
-
A.
R. L. Harris Dam
R. L. Harris Dam is a hydroelectric dam in Alabama that impounds the Tallapoosa River to form Lake Wedowee and generate power.
-
B.
Morris Sheppard Dam
Morris Sheppard Dam is a large hydroelectric and flood-control structure in Texas that impounds the Brazos River to form Possum Kingdom Lake.
-
C.
Lewisville Dam
Lewisville Dam is an earthen embankment dam in North Texas that impounds the Elm Fork of the Trinity River to form Lewisville Lake for flood control, water supply, and recreation.
-
D.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
-
E.
Walterville Dam
Walterville Dam is a hydroelectric diversion dam on Oregon’s McKenzie River that channels water to the Walterville Power Canal and generating station.
- 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: Saylorville Dam Triple: [Des Moines River, hasDam, Saylorville Dam]
Generated description
Saylorville Dam is a large flood-control and recreation dam on the Des Moines River in central Iowa, forming Saylorville Lake just upstream of Des Moines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Saylorville Dam Target entity description: Saylorville Dam is a large flood-control and recreation dam on the Des Moines River in central Iowa, forming Saylorville Lake just upstream of Des Moines.
-
A.
R. L. Harris Dam
R. L. Harris Dam is a hydroelectric dam in Alabama that impounds the Tallapoosa River to form Lake Wedowee and generate power.
-
B.
Morris Sheppard Dam
Morris Sheppard Dam is a large hydroelectric and flood-control structure in Texas that impounds the Brazos River to form Possum Kingdom Lake.
-
C.
Lewisville Dam
Lewisville Dam is an earthen embankment dam in North Texas that impounds the Elm Fork of the Trinity River to form Lewisville Lake for flood control, water supply, and recreation.
-
D.
Chatfield Dam
Chatfield Dam is a large flood-control and water-storage structure in Colorado that creates Chatfield Reservoir on the South Platte River near Denver.
-
E.
Walterville Dam
Walterville Dam is a hydroelectric diversion dam on Oregon’s McKenzie River that channels water to the Walterville Power Canal and generating station.
- 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_69ca828efbe48190bd48482650182e79 |
completed | March 30, 2026, 2:02 p.m. |
| NER | Named-entity recognition | batch_69cb3a759b548190af2e2aa0705d7051 |
completed | March 31, 2026, 3:07 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce01c37978819090922f7fc273edc9 |
completed | April 2, 2026, 5:42 a.m. |
| NEDg | Description generation | batch_69ce064211e48190b558d4355be659ba |
completed | April 2, 2026, 6:01 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ce07a390048190ac26a7e3d3d561e0 |
completed | April 2, 2026, 6:07 a.m. |
Created at: March 30, 2026, 5:04 p.m.