Triple

T10146513
Position Surface form Disambiguated ID Type / Status
Subject Merrimack River watershed E231719 entity
Predicate containsWaterBody P1778 FINISHED
Object Lake Cochichewick
Lake Cochichewick is a freshwater lake in North Andover, Massachusetts, serving as a local recreational area and public water supply within the Merrimack River watershed.
 E849750 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: Lake Cochichewick | Statement: [Merrimack River watershed, containsWaterBody, Lake Cochichewick]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lake Cochichewick
Context triple: [Merrimack River watershed, containsWaterBody, Lake Cochichewick]
  • A. Lake Wassookeag
    Lake Wassookeag is a freshwater lake in Dexter, Maine, known for recreational activities like boating, fishing, and swimming in a scenic rural setting.
  • B. Ell Pond
    Ell Pond is a scenic natural pond and surrounding parkland in Melrose, Massachusetts, known for its walking paths, wildlife, and recreational green space.
  • C. Emerson Pond
    Emerson Pond is a small freshwater pond located in the town of Chester in Rockingham County, New Hampshire.
  • D. Stetson Pond
    Stetson Pond is a freshwater lake located in the town of Stetson in Penobscot County, Maine, known for recreational activities such as fishing and boating.
  • E. Langham Pond
    Langham Pond is a notable natural pond and wildlife habitat located within the historic Runnymede landscape in Surrey, England.
  • 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: Lake Cochichewick
Triple: [Merrimack River watershed, containsWaterBody, Lake Cochichewick]
Generated description
Lake Cochichewick is a freshwater lake in North Andover, Massachusetts, serving as a local recreational area and public water supply within the Merrimack River watershed.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lake Cochichewick
Target entity description: Lake Cochichewick is a freshwater lake in North Andover, Massachusetts, serving as a local recreational area and public water supply within the Merrimack River watershed.
  • A. Lake Wassookeag
    Lake Wassookeag is a freshwater lake in Dexter, Maine, known for recreational activities like boating, fishing, and swimming in a scenic rural setting.
  • B. Ell Pond
    Ell Pond is a scenic natural pond and surrounding parkland in Melrose, Massachusetts, known for its walking paths, wildlife, and recreational green space.
  • C. Emerson Pond
    Emerson Pond is a small freshwater pond located in the town of Chester in Rockingham County, New Hampshire.
  • D. Stetson Pond
    Stetson Pond is a freshwater lake located in the town of Stetson in Penobscot County, Maine, known for recreational activities such as fishing and boating.
  • E. Langham Pond
    Langham Pond is a notable natural pond and wildlife habitat located within the historic Runnymede landscape in Surrey, England.
  • 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_69ca848364f881908a24366a6feec1db completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cdebffb7688190b5def02f72154b14 completed April 2, 2026, 4:09 a.m.
NED1 Entity disambiguation (via context triple) batch_69d65296ee98819096de701e3b945001 completed April 8, 2026, 1:05 p.m.
NEDg Description generation batch_69d658523630819086611077ac1ef42d completed April 8, 2026, 1:29 p.m.
NED2 Entity disambiguation (via description) batch_69d658e0e96c81909fb4281f5d0a11f6 completed April 8, 2026, 1:32 p.m.
Created at: March 30, 2026, 9:07 p.m.