Triple
T19125882
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nut Island sewage treatment facility |
E468179
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Greater Boston wastewater collection system |
—
|
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: Greater Boston wastewater collection system | Statement: [Nut Island sewage treatment facility, partOf, Greater Boston wastewater collection system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Greater Boston wastewater collection system Context triple: [Nut Island sewage treatment facility, partOf, Greater Boston wastewater collection system]
-
A.
Middlesex Fells Reservation water system
The Middlesex Fells Reservation water system is a network of reservoirs and related infrastructure in Massachusetts that historically supplied drinking water and now supports recreation and conservation within the Middlesex Fells Reservation.
-
B.
Deer Island Wastewater Treatment Plant
chosen
Deer Island Wastewater Treatment Plant is a major sewage treatment facility in Boston Harbor that serves the Greater Boston area and plays a key role in improving the region’s water quality.
-
C.
Greater Boston watershed
The Greater Boston watershed is the network of rivers, streams, and drainage basins that supply and channel water across the metropolitan Boston region in eastern Massachusetts.
-
D.
Massachusetts Bay Outfall Tunnel
The Massachusetts Bay Outfall Tunnel is a major deep-rock wastewater discharge tunnel off the coast of Boston that carries treated effluent far offshore to reduce pollution in Boston Harbor and Massachusetts Bay.
-
E.
Bowery Bay Wastewater Treatment Plant
Bowery Bay Wastewater Treatment Plant is a New York City wastewater treatment facility that processes sewage and helps protect water quality in the Bowery Bay and East River area of Queens.
- 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_69d8dd0796a48190b34ce4cd9d3f3be5 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5e3cc5ba08190a1073f2836caf5d3 |
completed | April 20, 2026, 8:29 a.m. |
Created at: April 10, 2026, 12:05 p.m.