Triple
T22626543
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Durham municipal water supply system |
E558435
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | City of Durham Department of Water Management |
—
|
NE NERFINISHED |
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: City of Durham Department of Water Management | Statement: [Durham municipal water supply system, operator, City of Durham Department of Water Management]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: City of Durham Department of Water Management Context triple: [Durham municipal water supply system, operator, City of Durham Department of Water Management]
-
A.
City of Durham Department of Water Management
chosen
The City of Durham Department of Water Management is the municipal agency responsible for providing and overseeing drinking water, wastewater, and related water resource services for the City of Durham, North Carolina.
-
B.
Durham municipal water supply system
The Durham municipal water supply system is the network of reservoirs, treatment facilities, and distribution infrastructure that provides drinking water to the city of Durham, North Carolina and surrounding areas.
-
C.
City of Durham Parks and Recreation Department
The City of Durham Parks and Recreation Department is the municipal agency responsible for managing Durham, North Carolina’s public parks, recreational facilities, and community programs.
-
D.
Metropolitan Council’s wastewater authority
Metropolitan Council’s wastewater authority is the regional public utility responsible for collecting and treating wastewater for the Twin Cities metropolitan area in Minnesota.
-
E.
Bureau of Water Supply
The Bureau of Water Supply is a division of New York City’s Department of Environmental Protection responsible for operating and protecting the city’s upstate reservoir and aqueduct system that delivers drinking water to millions of residents.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e245467d9881908d6985bd0db7a1f1 |
completed | April 17, 2026, 2:35 p.m. |
| NER | Named-entity recognition | batch_69f16e3d55b081908930ebff4372154f |
completed | April 29, 2026, 2:34 a.m. |
Created at: April 17, 2026, 3:01 p.m.