Triple
T1596008
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Echo Lake, Hopkinton, Massachusetts |
E34283
|
entity |
| Predicate | isPartOf |
P10
|
FINISHED |
| Object | Charles River headwaters |
E1807
|
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 headwaters | Statement: [Echo Lake, Hopkinton, Massachusetts, isPartOf, Charles River headwaters]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Charles River headwaters Context triple: [Echo Lake, Hopkinton, Massachusetts, isPartOf, Charles River headwaters]
-
A.
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.
-
B.
Deerfield River
The Deerfield River is a scenic New England waterway known for its whitewater recreation, hydroelectric dams, and role as a major tributary of the Connecticut River.
-
C.
Mad River
Mad River is a tributary of the Great Miami River in western Ohio known for its clear, cold waters and popularity for fishing and paddling.
-
D.
Charles River
chosen
The Charles River is a prominent river in eastern Massachusetts that flows between Boston and Cambridge and is known for its scenic banks, recreational activities, and role in the region’s history and culture.
-
E.
Housatonic River valley
The Housatonic River valley is a scenic river corridor in western New England known for its rolling hills, historic towns, and outdoor recreation opportunities.
- 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_69a885fdcb9c819081ce6f0b8cd477dd |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69a9092ccb388190b2f3ed86b3853651 |
completed | March 5, 2026, 4:40 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad51b9c6588190810ede38d9e714e2 |
completed | March 8, 2026, 10:38 a.m. |
Created at: March 4, 2026, 7:27 p.m.