Triple
T8849850
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pepacton Reservoir |
E210609
|
entity |
| Predicate | createdBy |
P806
|
FINISHED |
| Object |
Downsville Dam
Downsville Dam is a large earthen embankment dam on the East Branch of the Delaware River in New York, built as part of New York City's water supply system.
|
E808158
|
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: Downsville Dam | Statement: [Pepacton Reservoir, createdBy, Downsville Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Downsville Dam Context triple: [Pepacton Reservoir, createdBy, Downsville Dam]
-
A.
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.
-
B.
Waddell Dam
Waddell Dam is a major dam in Arizona that impounds the Agua Fria River to form Lake Pleasant, a key water storage and recreation reservoir for the Phoenix metropolitan area.
-
C.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
-
D.
Milner Dam
Milner Dam is an early 20th-century irrigation and hydroelectric dam on the Snake River in southern Idaho that helps divert water for agriculture and power generation.
-
E.
Gillespie Dam
Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
- 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: Downsville Dam Triple: [Pepacton Reservoir, createdBy, Downsville Dam]
Generated description
Downsville Dam is a large earthen embankment dam on the East Branch of the Delaware River in New York, built as part of New York City's water supply system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Downsville Dam Target entity description: Downsville Dam is a large earthen embankment dam on the East Branch of the Delaware River in New York, built as part of New York City's water supply system.
-
A.
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.
-
B.
Waddell Dam
Waddell Dam is a major dam in Arizona that impounds the Agua Fria River to form Lake Pleasant, a key water storage and recreation reservoir for the Phoenix metropolitan area.
-
C.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
-
D.
Milner Dam
Milner Dam is an early 20th-century irrigation and hydroelectric dam on the Snake River in southern Idaho that helps divert water for agriculture and power generation.
-
E.
Gillespie Dam
Gillespie Dam is an early 20th-century concrete gravity dam on Arizona’s Gila River, historically used for irrigation and now noted as a local landmark and wildlife habitat area.
- 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_69ca838a424c8190b1ecac115c2927e7 |
completed | March 30, 2026, 2:07 p.m. |
| NER | Named-entity recognition | batch_69cc60abb0748190af41d4e1f419e39c |
completed | April 1, 2026, 12:02 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d16101372c8190bbd0bd3c2389298d |
completed | April 4, 2026, 7:05 p.m. |
| NEDg | Description generation | batch_69d16256e0d88190833885de5df09623 |
completed | April 4, 2026, 7:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69d162ee97d0819089bf051e9b03fa73 |
completed | April 4, 2026, 7:13 p.m. |
Created at: March 30, 2026, 6:49 p.m.