Triple
T15897612
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mattapan Yard |
E385500
|
entity |
| Predicate | near |
P350
|
FINISHED |
| Object | Neponset River |
—
|
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 | Statement: [Mattapan Yard, near, Neponset River]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Neponset River Context triple: [Mattapan Yard, near, Neponset River]
-
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.
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.
-
C.
Danvers River
The Danvers River is a tidal estuary in northeastern Massachusetts that flows between the cities of Beverly and Danvers before emptying into the Atlantic Ocean.
-
D.
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.
-
E.
Squannacook River
The Squannacook River is a scenic tributary of the Nashua River in north-central Massachusetts, known for its forested surroundings, wildlife habitat, and recreational opportunities such as fishing and paddling.
- 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_69d86da5b800819083a31be937d738b0 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e1563b0e4c8190b338672dfb122665 |
completed | April 16, 2026, 9:35 p.m. |
Created at: April 10, 2026, 4:51 a.m.