Triple
T10299065
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Coralville Dam |
E241576
|
entity |
| Predicate | maintainedBy |
P86
|
FINISHED |
| Object | U.S. Army Corps of Engineers Rock Island District |
E3298
|
NE FINISHED |
How this triple was built (2 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: U.S. Army Corps of Engineers Rock Island District | Statement: [Coralville Dam, maintainedBy, U.S. Army Corps of Engineers Rock Island District]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U.S. Army Corps of Engineers Rock Island District Context triple: [Coralville Dam, maintainedBy, U.S. Army Corps of Engineers Rock Island District]
-
A.
U.S. Army Corps of Engineers
chosen
The U.S. Army Corps of Engineers is a federal agency within the U.S. Department of Defense responsible for designing, building, and maintaining military and civil engineering projects such as dams, waterways, and infrastructure.
-
B.
Rock Island District
Rock Island District is a Metra commuter rail line in the Chicago area that connects downtown Chicago with its southwestern suburbs.
-
C.
Rock Island Railroad
Rock Island Railroad was a major American railroad that operated across the Midwest and Southwest, known for its extensive freight and passenger services before its bankruptcy and liquidation in the 1980s.
-
D.
U.S. Army Engineer Research and Development Center
The U.S. Army Engineer Research and Development Center is the principal research organization of the U.S. Army Corps of Engineers, conducting engineering and environmental science R&D to support military and civil works missions.
-
E.
Army Corps of Engineers
The Army Corps of Engineers is a specialized military unit responsible for engineering, construction, and infrastructure support within the Ecuadorian Army.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d381aaafc08190af475ef58dc16aba |
completed | April 6, 2026, 9:49 a.m. |
| NER | Named-entity recognition | batch_69d4d2ee10f88190b1615c49b8f24a26 |
completed | April 7, 2026, 9:48 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d71d35d5908190bb87100c81f2948a |
completed | April 9, 2026, 3:29 a.m. |
Created at: April 6, 2026, 11:44 a.m.