Triple

T386604
Position Surface form Disambiguated ID Type / Status
Subject Milton, Massachusetts E8791 entity
Predicate locatedOn P40 FINISHED
Object Neponset River
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.
E107314 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: Neponset River | Statement: [Milton, Massachusetts, locatedOn, Neponset River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Neponset River
Context triple: [Milton, Massachusetts, locatedOn, Neponset River]
  • A. 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.
  • B. 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.
  • C. Nashua River
    The Nashua River is a New England waterway flowing through Massachusetts and New Hampshire, historically significant for both severe industrial pollution and subsequent environmental restoration efforts.
  • D. Merrimack River
    The Merrimack River is a major New England waterway that flows through New Hampshire and northeastern Massachusetts, historically important for powering textile mills and shaping the industrial development of the region.
  • E. Aberjona River
    The Aberjona River is a small river in eastern Massachusetts that flows through communities such as Winchester and Woburn before joining the Mystic River.
  • 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: Neponset River
Triple: [Milton, Massachusetts, locatedOn, Neponset River]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Neponset River
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. Nashua River
    The Nashua River is a New England waterway flowing through Massachusetts and New Hampshire, historically significant for both severe industrial pollution and subsequent environmental restoration efforts.
  • D. Merrimack River
    The Merrimack River is a major New England waterway that flows through New Hampshire and northeastern Massachusetts, historically important for powering textile mills and shaping the industrial development of the region.
  • E. Aberjona River
    The Aberjona River is a small river in eastern Massachusetts that flows through communities such as Winchester and Woburn before joining the Mystic River.
  • 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_69a2e7f47dd08190a4e294ccbbe46cd4 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2ec447b5481908a5a084787b44ced completed Feb. 28, 2026, 1:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7c705090c81909590d7fe2ff37fef completed March 4, 2026, 5:45 a.m.
NEDg Description generation batch_69a7c896d1c481909493a1bc4e6266e3 completed March 4, 2026, 5:52 a.m.
NED2 Entity disambiguation (via description) batch_69a7c918ebbc81908ad58bb8045543e6 completed March 4, 2026, 5:54 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.