Triple
T1608131
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Quabbin Reservoir region |
E34553
|
entity |
| Predicate | watershedFor |
P6179
|
FINISHED |
| Object | Quabbin Reservoir |
E185952
|
NE FINISHED |
How this triple was built (3 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: Quabbin Reservoir | Statement: [Quabbin Reservoir region, watershedFor, Quabbin Reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Quabbin Reservoir Context triple: [Quabbin Reservoir region, watershedFor, Quabbin Reservoir]
-
A.
Quabbin Reservoir
chosen
Quabbin Reservoir is a large man-made lake in central Massachusetts that serves as one of the primary drinking water sources for the Boston metropolitan area and is surrounded by protected forest and wildlife habitat.
-
B.
Wachusett Reservoir
Wachusett Reservoir is a large man-made lake in central Massachusetts that serves as a major drinking water supply for the Greater Boston area.
-
C.
Lake Quinsigamond
Lake Quinsigamond is a long, narrow lake in central Massachusetts known for recreational boating, fishing, and its historic rowing regattas.
-
D.
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.
-
E.
Leverett Pond
Leverett Pond is a scenic urban pond in Boston, Massachusetts, that forms part of the Emerald Necklace park system designed by Frederick Law Olmsted.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: watershedFor Context triple: [Quabbin Reservoir region, watershedFor, Quabbin Reservoir]
-
A.
hasWatershed
Indicates that one geographic area or feature is part of, drains into, or is hydrologically defined by a particular watershed.
-
B.
formsWatershedFor
chosen
Indicates that one geographic feature or area serves as the drainage boundary or catchment area that collects precipitation and channels it into another water body or region.
-
C.
watershedArea
Indicates the total land area from which surface water drains into a particular water body or point in the drainage system.
-
D.
drainageBasin
Indicates the area of land where all precipitation and surface water flow are collected and drained toward a particular river, lake, or other water body.
-
E.
hydrologicallyConnectedTo
Indicates that two water bodies or hydrological features are linked such that water can flow or be transferred between them, directly or indirectly, through the hydrological system.
- F. None of above.
Provenance (4 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_69a885fea6a481909fe83ba6441f1774 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69a93fa6926081908bc78d15c0be3185 |
completed | March 5, 2026, 8:32 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad79813b2c819093bf3833db398f22 |
completed | March 8, 2026, 1:28 p.m. |
| PD | Predicate disambiguation | batch_69a907c35f848190a2428c52e81d013e |
completed | March 5, 2026, 4:34 a.m. |
Created at: March 4, 2026, 7:28 p.m.