Triple
T1865328
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Reservoir station |
E34906
|
entity |
| Predicate | hasNearbyLandmark |
P2064
|
FINISHED |
| Object | Chestnut Hill Reservoir |
E171979
|
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: Chestnut Hill Reservoir | Statement: [Reservoir station, hasNearbyLandmark, Chestnut Hill Reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chestnut Hill Reservoir Context triple: [Reservoir station, hasNearbyLandmark, Chestnut Hill Reservoir]
-
A.
Chestnut Hill Reservoir
chosen
Chestnut Hill Reservoir is a historic man-made lake in the Chestnut Hill area of Boston, Massachusetts, known for its scenic walking paths and role in the city’s former water supply system.
-
B.
Malden Reservoir
Malden Reservoir is a man-made water body in Massachusetts that serves as a local water supply and recreational resource within the greater Boston area.
-
C.
Union Valley Reservoir
Union Valley Reservoir is a large man-made lake in California’s Sierra Nevada used for recreation and hydroelectric power within Eldorado National Forest.
-
D.
Jerome Park Reservoir
Jerome Park Reservoir is a major freshwater storage facility in the Bronx that plays a key role in New York City’s Croton water supply system.
-
E.
Greenfield Reservoir
Greenfield Reservoir is a man-made water reservoir in the Saddleworth area of Greater Manchester, England, forming part of the network of upland reservoirs in the Peak District.
- 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_69a88600b2f88190bc09303e68ab517e |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69abb0a208e481908406c008f700a585 |
completed | March 7, 2026, 4:59 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae26f6e1288190a69d4197ce5bd5b1 |
completed | March 9, 2026, 1:48 a.m. |
Created at: March 4, 2026, 7:34 p.m.