Triple
T17874580
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Purgatory Brook |
E446919
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Neponset River system |
—
|
NE NERFINISHED |
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: Neponset River system | Statement: [Purgatory Brook, partOf, Neponset River system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Neponset River system Context triple: [Purgatory Brook, partOf, Neponset River system]
-
A.
Neponset River
chosen
The Neponset River is a historically significant waterway in eastern Massachusetts that flows from Foxborough to Boston Harbor, forming part of the boundary between Boston and several neighboring communities.
-
B.
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.
-
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.
Sudbury River
The Sudbury River is a scenic river in eastern Massachusetts known for its wetlands, wildlife habitat, and role in the historic Concord and Sudbury river system.
-
E.
Malden River
The Malden River is a short urban river in the Greater Boston area of Massachusetts that flows through communities including Everett before joining the Mystic River.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8b9f4c22c819093c2680434472894 |
completed | April 10, 2026, 8:51 a.m. |
| NER | Named-entity recognition | batch_69e49aa54d1481908c0af8533edd51c4 |
completed | April 19, 2026, 9:04 a.m. |
Created at: April 10, 2026, 10:18 a.m.