Triple

T10146530
Position Surface form Disambiguated ID Type / Status
Subject Merrimack River watershed E231719 entity
Predicate containsWaterBody P1778 FINISHED
Object Foss Reservoir
Foss Reservoir is a man-made lake located within the Merrimack River watershed, serving regional water management and recreational purposes.
E844981 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: Foss Reservoir | Statement: [Merrimack River watershed, containsWaterBody, Foss Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Foss Reservoir
Context triple: [Merrimack River watershed, containsWaterBody, Foss Reservoir]
  • A. Foziling Reservoir
    Foziling Reservoir is a major multipurpose water conservancy project in Anhui Province, China, known for flood control, irrigation, and water supply within the Huai River basin.
  • B. Foster Reservoir
    Foster Reservoir is a man-made lake in Linn County, Oregon, popular for boating, fishing, and other recreational activities.
  • C. Henne Reservoir
    Henne Reservoir is a man-made lake in North Rhine-Westphalia, Germany, primarily used for water supply, flood control, and recreation.
  • D. E. V. Spence Reservoir
    E. V. Spence Reservoir is a man-made lake in West Texas that serves as a major water supply and recreational resource for the surrounding region.
  • E. Valehouse Reservoir
    Valehouse Reservoir is a man-made water storage lake in the Longdendale valley of Derbyshire, England, forming part of the chain of reservoirs supplying water to the Greater Manchester area.
  • 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: Foss Reservoir
Triple: [Merrimack River watershed, containsWaterBody, Foss Reservoir]
Generated description
Foss Reservoir is a man-made lake located within the Merrimack River watershed, serving regional water management and recreational purposes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Foss Reservoir
Target entity description: Foss Reservoir is a man-made lake located within the Merrimack River watershed, serving regional water management and recreational purposes.
  • A. Foziling Reservoir
    Foziling Reservoir is a major multipurpose water conservancy project in Anhui Province, China, known for flood control, irrigation, and water supply within the Huai River basin.
  • B. Foster Reservoir
    Foster Reservoir is a man-made lake in Linn County, Oregon, popular for boating, fishing, and other recreational activities.
  • C. Henne Reservoir
    Henne Reservoir is a man-made lake in North Rhine-Westphalia, Germany, primarily used for water supply, flood control, and recreation.
  • D. E. V. Spence Reservoir
    E. V. Spence Reservoir is a man-made lake in West Texas that serves as a major water supply and recreational resource for the surrounding region.
  • E. Valehouse Reservoir
    Valehouse Reservoir is a man-made water storage lake in the Longdendale valley of Derbyshire, England, forming part of the chain of reservoirs supplying water to the Greater Manchester area.
  • 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_69d3009992388190ab2a4aee23d0e004 completed April 6, 2026, 12:38 a.m.
NEDg Description generation batch_69d302537a548190b211727dd124cba6 completed April 6, 2026, 12:46 a.m.
NED2 Entity disambiguation (via description) batch_69d3033245448190bcc802b7dbd274fc completed April 6, 2026, 12:49 a.m.
Created at: March 30, 2026, 9:07 p.m.