Triple

T2079701
Position Surface form Disambiguated ID Type / Status
Subject East Park Reservoir area E45209 entity
Predicate hasPart P35 FINISHED
Object East Park Reservoir
East Park Reservoir is a man-made lake in northern California used primarily for irrigation water storage and recreation.
 E241807 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: East Park Reservoir | Statement: [East Park Reservoir area, hasPart, East Park Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: East Park Reservoir
Context triple: [East Park Reservoir area, hasPart, East Park Reservoir]
  • A. Boyds Corner Reservoir
    Boyds Corner Reservoir is a small New York City water supply reservoir in Putnam County, New York, that forms part of the city’s Croton watershed system.
  • B. Fells Reservoir
    Fells Reservoir is a man-made water body in Massachusetts that serves as part of the regional water supply and recreational landscape within the Middlesex Fells Reservation.
  • C. 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.
  • D. Hubbard Park Reservoir
    Hubbard Park Reservoir is a scenic body of water in Meriden, Connecticut, situated within Hubbard Park beneath the landmark Castle Craig tower.
  • E. Bog Brook Reservoir
    Bog Brook Reservoir is a small New York City water supply reservoir in southeastern New York State that forms part of the Croton Watershed system.
  • 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: East Park Reservoir
Triple: [East Park Reservoir area, hasPart, East Park Reservoir]
Generated description
East Park Reservoir is a man-made lake in northern California used primarily for irrigation water storage and recreation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: East Park Reservoir
Target entity description: East Park Reservoir is a man-made lake in northern California used primarily for irrigation water storage and recreation.
  • A. Boyds Corner Reservoir
    Boyds Corner Reservoir is a small New York City water supply reservoir in Putnam County, New York, that forms part of the city’s Croton watershed system.
  • B. Fells Reservoir
    Fells Reservoir is a man-made water body in Massachusetts that serves as part of the regional water supply and recreational landscape within the Middlesex Fells Reservation.
  • C. 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.
  • D. Hubbard Park Reservoir
    Hubbard Park Reservoir is a scenic body of water in Meriden, Connecticut, situated within Hubbard Park beneath the landmark Castle Craig tower.
  • E. Bog Brook Reservoir
    Bog Brook Reservoir is a small New York City water supply reservoir in southeastern New York State that forms part of the Croton Watershed system.
  • 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_69a8891869c88190a02643e3bb746f59 completed March 4, 2026, 7:33 p.m.
NER Named-entity recognition batch_69abba3307308190ab329fe3192b2e0f completed March 7, 2026, 5:40 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae5d8928048190ab9ef79dde8ad4e0 completed March 9, 2026, 5:41 a.m.
NEDg Description generation batch_69ae5e48eefc8190b459278860bb3217 completed March 9, 2026, 5:44 a.m.
NED2 Entity disambiguation (via description) batch_69ae5ec233788190a52dc1a135f7dfb9 completed March 9, 2026, 5:46 a.m.
Created at: March 4, 2026, 7:41 p.m.