Triple
T16793556
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Massachusetts Bay Outfall Tunnel |
E408173
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | wastewater outfall tunnel |
C38026
|
CONCEPT FINISHED |
How this triple was built (1 step)
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.
CD
Concept disambiguation
gpt-5-mini-2025-08-07
Target class: wastewater outfall tunnel Context triple: [Massachusetts Bay Outfall Tunnel, instanceOf, wastewater outfall tunnel]
-
A.
water supply tunnel
A water supply tunnel is an underground passage constructed to convey water from its source to treatment facilities, storage reservoirs, or distribution networks, often over long distances and through challenging terrain.
-
B.
drainage channel
A drainage channel is a constructed or natural linear feature designed to collect and convey excess surface or subsurface water away from an area to prevent flooding, erosion, or waterlogging.
-
C.
wastewater treatment facility
A wastewater treatment facility is an engineered system that collects, treats, and purifies sewage and industrial effluent to remove contaminants before safely returning the water to the environment or reusing it.
-
D.
canal infrastructure
Canal infrastructure encompasses the engineered systems, structures, and facilities—such as channels, locks, dams, embankments, and control mechanisms—designed to manage and support waterborne transport, irrigation, drainage, and water regulation along artificial waterways.
-
E.
sewer utility
A sewer utility is an organization or system responsible for collecting, transporting, treating, and safely disposing of wastewater and sewage from homes, businesses, and industries.
- F. None of above. chosen
Provenance (1 batch)
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_69d88393905081908d00a86b99996ac8 |
completed | April 10, 2026, 4:58 a.m. |
Created at: April 10, 2026, 5:22 a.m.