Triple

T3261774

Position	Surface form	Disambiguated ID	Type / Status
Subject	Westfield River	`E68426`	entity
Predicate	hasProtectedSegment	`P855`	FINISHED
Object	Middle Branch Westfield River wild and scenic segment The Middle Branch Westfield River wild and scenic segment is a federally designated stretch of the Middle Branch of the Westfield River in Massachusetts recognized for its outstanding natural, scenic, and recreational values.	`E344431`	NE FINISHED

How this triple was built (4 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: Middle Branch Westfield River wild and scenic segment | Statement: [Westfield River, hasProtectedSegment, Middle Branch Westfield River wild and scenic segment]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Middle Branch Westfield River wild and scenic segment
Context triple: [Westfield River, hasProtectedSegment, Middle Branch Westfield River wild and scenic segment]

A. East Branch Westfield River wild and scenic segment
The East Branch Westfield River wild and scenic segment is a federally designated stretch of the East Branch of the Westfield River in Massachusetts recognized for its outstanding natural, recreational, and scenic values.
B. Middle Branch River
The Middle Branch River is a tributary waterway in Michigan that feeds into the larger Muskegon River system.
C. 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.
D. Sydenham River
The Sydenham River is a river in southwestern Ontario, Canada, known for its rich biodiversity and for flowing through the municipality of Chatham-Kent before emptying into Lake St. Clair.
E. South Nashua River
The South Nashua River is a tributary waterway in Massachusetts that feeds into the larger Nashua River system, contributing to the region’s watershed and local ecosystems.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NEDg Description generation gpt-5.1

Instruction

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Input

Entity: Middle Branch Westfield River wild and scenic segment
Triple: [Westfield River, hasProtectedSegment, Middle Branch Westfield River wild and scenic segment]

Generated description

The Middle Branch Westfield River wild and scenic segment is a federally designated stretch of the Middle Branch of the Westfield River in Massachusetts recognized for its outstanding natural, scenic, and recreational values.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Middle Branch Westfield River wild and scenic segment
Target entity description: The Middle Branch Westfield River wild and scenic segment is a federally designated stretch of the Middle Branch of the Westfield River in Massachusetts recognized for its outstanding natural, scenic, and recreational values.

A. East Branch Westfield River wild and scenic segment
The East Branch Westfield River wild and scenic segment is a federally designated stretch of the East Branch of the Westfield River in Massachusetts recognized for its outstanding natural, recreational, and scenic values.
B. Middle Branch River
The Middle Branch River is a tributary waterway in Michigan that feeds into the larger Muskegon River system.
C. 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.
D. Sydenham River
The Sydenham River is a river in southwestern Ontario, Canada, known for its rich biodiversity and for flowing through the municipality of Chatham-Kent before emptying into Lake St. Clair.
E. South Nashua River
The South Nashua River is a tributary waterway in Massachusetts that feeds into the larger Nashua River system, contributing to the region’s watershed and local ecosystems.
F. None of above. chosen

Provenance (5 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_69ad8590444081909e8107a8aeef3a23`	completed	March 8, 2026, 2:20 p.m.
NER	Named-entity recognition	`batch_69adafa7fea08190b089b6174fd7cd32`	completed	March 8, 2026, 5:19 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69b2e8369b708190aeddf21dd9440d6a`	completed	March 12, 2026, 4:22 p.m.
NEDg	Description generation	`batch_69b2e9c808188190b681557e010ce159`	completed	March 12, 2026, 4:28 p.m.
NED2	Entity disambiguation (via description)	`batch_69b2ea5d38808190a11ebcad2c384db7`	completed	March 12, 2026, 4:31 p.m.

Created at: March 8, 2026, 3:09 p.m.