Triple

T10146508
Position Surface form Disambiguated ID Type / Status
Subject Merrimack River watershed E231719 entity
Predicate containsWaterBody P1778 FINISHED
Object Blackwater Reservoir
Blackwater Reservoir is a man-made lake in New Hampshire that serves as a flood-control and water-management resource within the Merrimack River system.
 E844468 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: Blackwater Reservoir | Statement: [Merrimack River watershed, containsWaterBody, Blackwater Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Blackwater Reservoir
Context triple: [Merrimack River watershed, containsWaterBody, Blackwater Reservoir]
  • A. Henne Reservoir
    Henne Reservoir is a man-made lake in North Rhine-Westphalia, Germany, primarily used for water supply, flood control, and recreation.
  • B. 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.
  • C. Cod Beck Reservoir
    Cod Beck Reservoir is a small man-made lake in North Yorkshire, England, popular for walking and outdoor recreation near the village of Osmotherley.
  • D. 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.
  • E. Norton Reservoir
    Norton Reservoir is a man-made lake in Norton, Massachusetts, used primarily for recreation such as fishing and boating.
  • 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: Blackwater Reservoir
Triple: [Merrimack River watershed, containsWaterBody, Blackwater Reservoir]
Generated description
Blackwater Reservoir is a man-made lake in New Hampshire that serves as a flood-control and water-management resource within the Merrimack River system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Blackwater Reservoir
Target entity description: Blackwater Reservoir is a man-made lake in New Hampshire that serves as a flood-control and water-management resource within the Merrimack River system.
  • A. Henne Reservoir
    Henne Reservoir is a man-made lake in North Rhine-Westphalia, Germany, primarily used for water supply, flood control, and recreation.
  • B. 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.
  • C. Cod Beck Reservoir
    Cod Beck Reservoir is a small man-made lake in North Yorkshire, England, popular for walking and outdoor recreation near the village of Osmotherley.
  • D. 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.
  • E. Norton Reservoir
    Norton Reservoir is a man-made lake in Norton, Massachusetts, used primarily for recreation such as fishing and boating.
  • 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_69d2e62236c88190a6ddaf4957cb8b5f completed April 5, 2026, 10:45 p.m.
NEDg Description generation batch_69d2e73fd6988190a338a9e49dc3671b completed April 5, 2026, 10:50 p.m.
NED2 Entity disambiguation (via description) batch_69d2e8c425b88190b20f1706fe3343f4 completed April 5, 2026, 10:57 p.m.
Created at: March 30, 2026, 9:07 p.m.