Triple
T16793557
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Massachusetts Bay Outfall Tunnel |
E408173
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | sewer tunnel |
C4955
|
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: sewer tunnel Context triple: [Massachusetts Bay Outfall Tunnel, instanceOf, sewer tunnel]
-
A.
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.
-
B.
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.
-
C.
transportation tunnel
A transportation tunnel is an underground or enclosed passageway designed to allow vehicles, trains, or pedestrians to travel safely through or beneath natural or man-made obstacles.
-
D.
road tunnel
A road tunnel is an underground or enclosed passageway constructed to allow vehicular traffic to pass through obstacles such as mountains, hills, or urban areas while maintaining a continuous roadway.
-
E.
underground structure
chosen
An underground structure is a man-made construction built below the earth’s surface to provide space, protection, or support for various human activities or infrastructure.
- F. None of above.
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.