Triple

T10146538
Position Surface form Disambiguated ID Type / Status
Subject Merrimack River watershed E231719 entity
Predicate containsWaterBody P1778 FINISHED
Object Assabet Reservoir
Assabet Reservoir is a man-made lake in Massachusetts that serves as a key water resource and recreational area within the Merrimack River watershed.
E844017 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: Assabet Reservoir | Statement: [Merrimack River watershed, containsWaterBody, Assabet Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Assabet Reservoir
Context triple: [Merrimack River watershed, containsWaterBody, Assabet Reservoir]
  • A. Iset Reservoir
    Iset Reservoir is a large artificial lake in Russia formed by damming the Iset River, used primarily for water supply, recreation, and regulating river flow.
  • B. Pharaoh Lake
    Pharaoh Lake is a remote, scenic lake in New York’s Adirondack Park known for its surrounding wilderness, hiking trails, and backcountry camping opportunities.
  • C. Lagdo Reservoir
    Lagdo Reservoir is a large artificial lake in northern Cameroon created by the Lagdo Dam on the Benue River, serving as a key source of hydroelectric power, irrigation, and fisheries for the region.
  • D. Kama Reservoir
    Kama Reservoir is a large artificial lake in Russia formed by damming the Kama River, used primarily for hydroelectric power generation, navigation, and water regulation.
  • E. Haditha Reservoir
    Haditha Reservoir is a large artificial lake on the Euphrates River in western Iraq, created by the Haditha Dam and used for hydroelectric power, irrigation, and water storage.
  • 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: Assabet Reservoir
Triple: [Merrimack River watershed, containsWaterBody, Assabet Reservoir]
Generated description
Assabet Reservoir is a man-made lake in Massachusetts that serves as a key water resource and recreational area within the Merrimack River watershed.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Assabet Reservoir
Target entity description: Assabet Reservoir is a man-made lake in Massachusetts that serves as a key water resource and recreational area within the Merrimack River watershed.
  • A. Iset Reservoir
    Iset Reservoir is a large artificial lake in Russia formed by damming the Iset River, used primarily for water supply, recreation, and regulating river flow.
  • B. Pharaoh Lake
    Pharaoh Lake is a remote, scenic lake in New York’s Adirondack Park known for its surrounding wilderness, hiking trails, and backcountry camping opportunities.
  • C. Lagdo Reservoir
    Lagdo Reservoir is a large artificial lake in northern Cameroon created by the Lagdo Dam on the Benue River, serving as a key source of hydroelectric power, irrigation, and fisheries for the region.
  • D. Kama Reservoir
    Kama Reservoir is a large artificial lake in Russia formed by damming the Kama River, used primarily for hydroelectric power generation, navigation, and water regulation.
  • E. Haditha Reservoir
    Haditha Reservoir is a large artificial lake on the Euphrates River in western Iraq, created by the Haditha Dam and used for hydroelectric power, irrigation, and water storage.
  • 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_69d2e8c9058c8190bfa5720397331fa1 completed April 5, 2026, 10:57 p.m.
Created at: March 30, 2026, 9:07 p.m.