Triple

T5520406

Position	Surface form	Disambiguated ID	Type / Status
Subject	Deerfield River	`E144790`	entity
Predicate	hasDam	`P8736`	FINISHED
Object	Hoosac Tunnel and Wilmington Railroad Dam (historical association with reservoir system) The Hoosac Tunnel and Wilmington Railroad Dam is a historic dam structure in Massachusetts associated with the former Hoosac Tunnel and Wilmington Railroad and its related reservoir system along the Deerfield River.	`E532428`	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: Hoosac Tunnel and Wilmington Railroad Dam (historical association with reservoir system) | Statement: [Deerfield River, hasDam, Hoosac Tunnel and Wilmington Railroad Dam (historical association with reservoir system)]

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

Target entity: Hoosac Tunnel and Wilmington Railroad Dam (historical association with reservoir system)
Context triple: [Deerfield River, hasDam, Hoosac Tunnel and Wilmington Railroad Dam (historical association with reservoir system)]

A. Quabbin Aqueduct
The Quabbin Aqueduct is a major water conveyance tunnel in Massachusetts that transports drinking water from the Quabbin Reservoir system to the greater Boston area.
B. Wachusett Aqueduct
The Wachusett Aqueduct is a historic water conveyance system in Massachusetts that transports drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
C. Holyoke Dam
Holyoke Dam is a historic hydroelectric dam on the Connecticut River in Holyoke, Massachusetts, known for powering the city’s early industrial development.
D. Catskill Aqueduct
The Catskill Aqueduct is a major component of New York City's water supply system, transporting drinking water from the Catskill Mountains to the city and its reservoirs.
E. Croton Reservoir system
The Croton Reservoir system is a network of reservoirs and related infrastructure in New York that forms a major component of the New York City water supply.
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: Hoosac Tunnel and Wilmington Railroad Dam (historical association with reservoir system)
Triple: [Deerfield River, hasDam, Hoosac Tunnel and Wilmington Railroad Dam (historical association with reservoir system)]

Generated description

The Hoosac Tunnel and Wilmington Railroad Dam is a historic dam structure in Massachusetts associated with the former Hoosac Tunnel and Wilmington Railroad and its related reservoir system along the Deerfield River.

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

Target entity: Hoosac Tunnel and Wilmington Railroad Dam (historical association with reservoir system)
Target entity description: The Hoosac Tunnel and Wilmington Railroad Dam is a historic dam structure in Massachusetts associated with the former Hoosac Tunnel and Wilmington Railroad and its related reservoir system along the Deerfield River.

A. Quabbin Aqueduct
The Quabbin Aqueduct is a major water conveyance tunnel in Massachusetts that transports drinking water from the Quabbin Reservoir system to the greater Boston area.
B. Wachusett Aqueduct
The Wachusett Aqueduct is a historic water conveyance system in Massachusetts that transports drinking water from the Wachusett Reservoir toward the Boston metropolitan area.
C. Holyoke Dam
Holyoke Dam is a historic hydroelectric dam on the Connecticut River in Holyoke, Massachusetts, known for powering the city’s early industrial development.
D. Catskill Aqueduct
The Catskill Aqueduct is a major component of New York City's water supply system, transporting drinking water from the Catskill Mountains to the city and its reservoirs.
E. Croton Reservoir system
The Croton Reservoir system is a network of reservoirs and related infrastructure in New York that forms a major component of the New York City water supply.
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_69c008f873a481909b4d9f7e2db3c37d`	completed	March 22, 2026, 3:21 p.m.
NER	Named-entity recognition	`batch_69c01f7082ac8190a372fa75e8dec6a4`	completed	March 22, 2026, 4:57 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69c027e995e88190833762cb94a781cc`	completed	March 22, 2026, 5:33 p.m.
NEDg	Description generation	`batch_69c03f8b6e948190870b98d6d69193fe`	completed	March 22, 2026, 7:14 p.m.
NED2	Entity disambiguation (via description)	`batch_69c0404aedc08190a9b146466486be6e`	completed	March 22, 2026, 7:17 p.m.

Created at: March 22, 2026, 3:33 p.m.