Triple
T8146222
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Watertown Dam |
E190217
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Charles River watershed |
E702005
|
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: Charles River watershed | Statement: [Watertown Dam, partOf, Charles River watershed]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Charles River watershed Context triple: [Watertown Dam, partOf, Charles River watershed]
-
A.
Charles River watershed
chosen
The Charles River watershed is the drainage basin in eastern Massachusetts that collects water from numerous ponds, streams, and rivers and channels it into the Charles River before it flows into Boston Harbor.
-
B.
Mystic River watershed
The Mystic River watershed is a drainage basin in the Greater Boston area of Massachusetts that collects water from numerous rivers and streams before emptying into Boston Harbor.
-
C.
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.
-
D.
Champlain Valley watershed
The Champlain Valley watershed is the drainage basin that channels water from surrounding highlands, including New York’s Adirondacks and Vermont’s Green Mountains, into Lake Champlain and its connected rivers.
-
E.
Charles River Basin
The Charles River Basin is a prominent urban waterway and recreational area along the lower Charles River in the Boston–Cambridge area, known for boating, scenic views, and public events.
- 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_69ca82be7ba8819087de0147e9292c83 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb4447dbc48190affb0f34f6c85f5a |
completed | March 31, 2026, 3:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ccbedc48108190bcf98a82b9625250 |
completed | April 1, 2026, 6:44 a.m. |
Created at: March 30, 2026, 5:36 p.m.