Triple
T10146462
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nashua River Watershed Association |
E231718
|
entity |
| Predicate | basedOnWatershed |
P17416
|
FINISHED |
| Object | Nashua River basin |
E812289
|
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: Nashua River basin | Statement: [Nashua River Watershed Association, basedOnWatershed, Nashua River basin]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nashua River basin Context triple: [Nashua River Watershed Association, basedOnWatershed, Nashua River basin]
-
A.
Nashua River watershed
chosen
The Nashua River watershed is a river basin in north-central Massachusetts and southern New Hampshire that drains the lands surrounding the Nashua River and its tributaries.
-
B.
Merrimack River watershed
The Merrimack River watershed is the drainage basin in New England that collects water from numerous rivers and streams, ultimately feeding into the Merrimack River.
-
C.
Nashua River
The Nashua River is a New England waterway flowing through Massachusetts and New Hampshire, historically significant for both severe industrial pollution and subsequent environmental restoration efforts.
-
D.
Blackstone River watershed
The Blackstone River watershed is a major New England river basin that drains portions of Massachusetts and Rhode Island, historically central to early American industrialization and mill development.
-
E.
Neponset River valley
The Neponset River valley is a geographic corridor in eastern Massachusetts encompassing communities along the Neponset River, historically significant for industry and now known for its residential neighborhoods, parks, and transit links into Boston.
- 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: basedOnWatershed Context triple: [Nashua River Watershed Association, basedOnWatershed, Nashua River basin]
-
A.
watershedBetween
Indicates that a geographic feature or boundary serves as the dividing line between two drainage basins or river systems.
-
B.
hasWatershed
chosen
Indicates that one geographic area or feature is part of, drains into, or is hydrologically defined by a particular watershed.
-
C.
watershedType
Indicates the classification or category of a watershed associated with an entity (e.g., by hydrologic, ecological, or management type).
-
D.
formsWatershedFor
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.
-
E.
hasWatershedWith
Indicates that two geographic areas share or are associated with the same watershed or drainage basin.
- 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_69ca848364f881908a24366a6feec1db |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cdebffb7688190b5def02f72154b14 |
completed | April 2, 2026, 4:09 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d65296ee98819096de701e3b945001 |
completed | April 8, 2026, 1:05 p.m. |
| PD | Predicate disambiguation | batch_69cd4ba4f5d88190ba68e63be10b08c7 |
completed | April 1, 2026, 4:45 p.m. |
Created at: March 30, 2026, 9:07 p.m.