Triple

T11194872
Position Surface form Disambiguated ID Type / Status
Subject Belchertown, Massachusetts E264895 entity
Predicate hasBodyOfWater P1778 FINISHED
Object Quabbin Reservoir E185952 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: Quabbin Reservoir | Statement: [Belchertown, Massachusetts, hasBodyOfWater, Quabbin Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Quabbin Reservoir
Context triple: [Belchertown, Massachusetts, hasBodyOfWater, Quabbin Reservoir]
  • A. Quabbin Reservoir chosen
    Quabbin Reservoir is a large man-made lake in central Massachusetts that serves as one of the primary drinking water sources for the Boston metropolitan area and is surrounded by protected forest and wildlife habitat.
  • B. Wachusett Reservoir
    Wachusett Reservoir is a large man-made lake in central Massachusetts that serves as a major drinking water supply for the Greater Boston area.
  • C. Lake Housatonic
    Lake Housatonic is a man-made reservoir in western Connecticut popular for boating, fishing, and rowing activities.
  • D. Green Mountain Reservoir
    Green Mountain Reservoir is a man-made lake in north-central Colorado that stores and regulates water supplies for irrigation, municipal use, and hydropower generation on the Colorado River system.
  • E. Hopkinton Reservoir
    Hopkinton Reservoir is a man-made lake in Hopkinton, Massachusetts, popular for recreation such as swimming, fishing, and boating within Hopkinton State Park.
  • 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_69d6aa9eb9248190b20211772621b4bc completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e8bf14e481908563b15790af4d20 completed April 9, 2026, 5:58 p.m.
NED1 Entity disambiguation (via context triple) batch_69e4840640688190a5b3c36883b8fce8 completed April 19, 2026, 7:28 a.m.
Created at: April 8, 2026, 9:29 p.m.