Triple
T11311375
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kinzua Dam |
E267841
|
entity |
| Predicate | managingAgency |
P86
|
FINISHED |
| Object | U.S. Army Corps of Engineers Pittsburgh 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 Pittsburgh District | Statement: [Kinzua Dam, managingAgency, U.S. Army Corps of Engineers Pittsburgh District]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U.S. Army Corps of Engineers Pittsburgh District Context triple: [Kinzua Dam, managingAgency, U.S. Army Corps of Engineers Pittsburgh District]
-
A.
City of Pittsburgh Department of Public Works
The City of Pittsburgh Department of Public Works is the municipal agency responsible for maintaining the city’s infrastructure and public spaces, including streets, facilities, and parks.
-
B.
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.
-
C.
Tulsa District, U.S. Army Corps of Engineers
The Tulsa District, U.S. Army Corps of Engineers is a regional command of the U.S. Army Corps responsible for managing water resources, flood control, navigation, and related civil works projects across parts of Oklahoma and neighboring states.
-
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.
Stadium Authority of the City of Pittsburgh
The Stadium Authority of the City of Pittsburgh is a municipal agency responsible for owning, managing, and overseeing major sports and entertainment venues in Pittsburgh, Pennsylvania.
- 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_69d6aaca5c24819083db46a30d86cb34 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e9c1b7dc81908d8cc768c47390d3 |
completed | April 9, 2026, 6:02 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e50a7fc06881909afe85a600d25ff2 |
completed | April 19, 2026, 5:01 p.m. |
Created at: April 8, 2026, 9:32 p.m.