Triple

T17874589
Position Surface form Disambiguated ID Type / Status
Subject Purgatory Brook E446919 entity
Predicate drainageBasin P1559 FINISHED
Object Neponset River watershed NE NERFINISHED

How this triple was built (3 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 watershed | Statement: [Purgatory Brook, drainageBasin, Neponset River watershed]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Neponset River watershed
Context triple: [Purgatory Brook, drainageBasin, Neponset River watershed]
  • A. Nashua River watershed
    The Nashua River watershed is a river basin in north-central Massachusetts and southern New Hampshire that drains the lands surrounding the Nashua River and its tributaries.
  • 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. Sippican River watershed
    The Sippican River watershed is a coastal New England drainage basin in southeastern Massachusetts that feeds into Buzzards Bay and supports important freshwater and estuarine habitats.
  • D. Squannacook River watershed
    The Squannacook River watershed is a New England river basin spanning parts of southern New Hampshire and north-central Massachusetts, known for its forested landscapes, wetlands, and coldwater streams that support diverse wildlife and recreational activities.
  • E. Merrimack River watershed
    The Merrimack River watershed is the drainage basin in New England that collects water from numerous rivers and streams, ultimately feeding into the Merrimack River.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Neponset River watershed
Target entity description: The Neponset River watershed is the drainage area in eastern Massachusetts that collects water flowing into the Neponset River and ultimately into Boston Harbor.
  • A. Nashua River watershed
    The Nashua River watershed is a river basin in north-central Massachusetts and southern New Hampshire that drains the lands surrounding the Nashua River and its tributaries.
  • B. Neponset River valley chosen
    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. Sippican River watershed
    The Sippican River watershed is a coastal New England drainage basin in southeastern Massachusetts that feeds into Buzzards Bay and supports important freshwater and estuarine habitats.
  • D. Squannacook River watershed
    The Squannacook River watershed is a New England river basin spanning parts of southern New Hampshire and north-central Massachusetts, known for its forested landscapes, wetlands, and coldwater streams that support diverse wildlife and recreational activities.
  • E. Merrimack River watershed
    The Merrimack River watershed is the drainage basin in New England that collects water from numerous rivers and streams, ultimately feeding into the Merrimack River.
  • F. None of above.

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.