Triple
T4892042
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Wachusett Reservoir |
E109585
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Boston metropolitan water system |
E14601
|
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: Boston metropolitan water system | Statement: [Wachusett Reservoir, partOf, Boston metropolitan water system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston metropolitan water system Context triple: [Wachusett Reservoir, partOf, Boston metropolitan water system]
-
A.
New York City water supply system
The New York City water supply system is a vast network of reservoirs, aqueducts, tunnels, and distribution infrastructure that delivers potable water from upstate watersheds to millions of residents in New York City.
-
B.
Massachusetts Water Resources Authority
chosen
The Massachusetts Water Resources Authority is a public agency responsible for providing wholesale water and sewer services, including drinking water supply and wastewater treatment, to communities in the Greater Boston area.
-
C.
Central Park water system
The Central Park water system is an interconnected network of lakes, ponds, streams, and reservoirs in New York City's Central Park, designed for both scenic beauty and recreational use.
-
D.
Cambridge water supply system
The Cambridge water supply system is the municipal infrastructure network that sources, treats, stores, and distributes drinking water to the city of Cambridge, Massachusetts.
-
E.
Croton Reservoir system
The Croton Reservoir system is a network of reservoirs and related infrastructure in New York that forms a major component of the New York City water supply.
- 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_69bd4410bbf88190aad50d2451c863d6 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd6e2444dc819088d5562e90d16d9b |
completed | March 20, 2026, 3:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be6fbf3e74819099910475bbd18734 |
completed | March 21, 2026, 10:15 a.m. |
Created at: March 20, 2026, 1:28 p.m.