Triple
T19960704
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cosgrove Tunnel |
E479804
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | MWRA water distribution network |
—
|
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: MWRA water distribution network | Statement: [Cosgrove Tunnel, partOf, MWRA water distribution network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MWRA water distribution network Context triple: [Cosgrove Tunnel, partOf, MWRA water distribution network]
-
A.
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.
-
B.
Metropolitan Water Works system
The Metropolitan Water Works system is a historic public water supply network that provided drinking water to the Boston metropolitan area through an extensive system of reservoirs, aqueducts, and related infrastructure.
-
C.
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.
-
D.
Newark water supply system
The Newark water supply system is a network of reservoirs, pipelines, and treatment facilities that provides drinking water to the city of Newark, New Jersey and surrounding communities.
-
E.
Three Lakes Region water network
The Three Lakes Region water network is an interconnected system of lakes, rivers, and canals in western Switzerland that manages water levels, navigation, and flood control between Lakes Neuchâtel, Biel/Bienne, and Murten/Morat.
- 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_69d8e523c19881909f9197037200dde6 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e65af4520c81909986a47289ba801e |
completed | April 20, 2026, 4:57 p.m. |
Created at: April 10, 2026, 1:54 p.m.