Triple

T10146541
Position Surface form Disambiguated ID Type / Status
Subject Merrimack River watershed E231719 entity
Predicate containsWaterBody P1778 FINISHED
Object Whitehall Reservoir
Whitehall Reservoir is a man-made lake in Massachusetts used for recreation and water management within the broader Merrimack River watershed system.
 E849751 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: Whitehall Reservoir | Statement: [Merrimack River watershed, containsWaterBody, Whitehall Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Whitehall Reservoir
Context triple: [Merrimack River watershed, containsWaterBody, Whitehall Reservoir]
  • A. Stanley Reservoir
    Stanley Reservoir is a large artificial lake in Tamil Nadu, India, created on the Kaveri River and known for its role in irrigation, hydroelectric power generation, and water supply.
  • B. Norton Reservoir
    Norton Reservoir is a man-made lake in Norton, Massachusetts, used primarily for recreation such as fishing and boating.
  • C. Lexington Reservoir
    Lexington Reservoir is a man-made lake and popular recreation area in Santa Clara County, California, used for water supply, fishing, and outdoor activities.
  • D. Buckley Dunton Reservoir
    Buckley Dunton Reservoir is a scenic man-made lake in Becket, Massachusetts, popular for fishing, paddling, and wildlife viewing within the Berkshires.
  • E. John Martin Reservoir
    John Martin Reservoir is a large man-made lake and state park in southeastern Colorado known for its water recreation, birdwatching, and role in regional water storage and flood control.
  • 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: Whitehall Reservoir
Triple: [Merrimack River watershed, containsWaterBody, Whitehall Reservoir]
Generated description
Whitehall Reservoir is a man-made lake in Massachusetts used for recreation and water management within the broader Merrimack River watershed system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Whitehall Reservoir
Target entity description: Whitehall Reservoir is a man-made lake in Massachusetts used for recreation and water management within the broader Merrimack River watershed system.
  • A. Stanley Reservoir
    Stanley Reservoir is a large artificial lake in Tamil Nadu, India, created on the Kaveri River and known for its role in irrigation, hydroelectric power generation, and water supply.
  • B. Norton Reservoir
    Norton Reservoir is a man-made lake in Norton, Massachusetts, used primarily for recreation such as fishing and boating.
  • C. Lexington Reservoir
    Lexington Reservoir is a man-made lake and popular recreation area in Santa Clara County, California, used for water supply, fishing, and outdoor activities.
  • D. Buckley Dunton Reservoir
    Buckley Dunton Reservoir is a scenic man-made lake in Becket, Massachusetts, popular for fishing, paddling, and wildlife viewing within the Berkshires.
  • E. John Martin Reservoir
    John Martin Reservoir is a large man-made lake and state park in southeastern Colorado known for its water recreation, birdwatching, and role in regional water storage and flood control.
  • 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.