Triple

T3074892
Position Surface form Disambiguated ID Type / Status
Subject Myles Standish State Forest E64112 entity
Predicate contains P35 FINISHED
Object East Head Reservoir
East Head Reservoir is a scenic freshwater lake located within Massachusetts' Myles Standish State Forest, popular for recreation such as fishing, paddling, and wildlife viewing.
 E330986 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 Head Reservoir | Statement: [Myles Standish State Forest, contains, East Head Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: East Head Reservoir
Context triple: [Myles Standish State Forest, contains, East Head Reservoir]
  • A. Hillview Reservoir
    Hillview Reservoir is a key New York City water storage facility that serves as the final holding basin for treated water before it enters the city’s distribution system.
  • B. East Park Reservoir
    East Park Reservoir is a man-made lake in northern California used primarily for irrigation water storage and recreation.
  • C. Union Reservoir
    Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
  • D. Greenfield Reservoir
    Greenfield Reservoir is a man-made water reservoir in the Saddleworth area of Greater Manchester, England, forming part of the network of upland reservoirs in the Peak District.
  • 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: East Head Reservoir
Triple: [Myles Standish State Forest, contains, East Head Reservoir]
Generated description
East Head Reservoir is a scenic freshwater lake located within Massachusetts' Myles Standish State Forest, popular for recreation such as fishing, paddling, and wildlife viewing.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: East Head Reservoir
Target entity description: East Head Reservoir is a scenic freshwater lake located within Massachusetts' Myles Standish State Forest, popular for recreation such as fishing, paddling, and wildlife viewing.
  • A. Hillview Reservoir
    Hillview Reservoir is a key New York City water storage facility that serves as the final holding basin for treated water before it enters the city’s distribution system.
  • B. East Park Reservoir
    East Park Reservoir is a man-made lake in northern California used primarily for irrigation water storage and recreation.
  • C. Union Reservoir
    Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
  • D. Greenfield Reservoir
    Greenfield Reservoir is a man-made water reservoir in the Saddleworth area of Greater Manchester, England, forming part of the network of upland reservoirs in the Peak District.
  • 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_69ad857a8aec8190bfdfd9c14554ac5a completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada150d8e08190bde5f68e800e8feb completed March 8, 2026, 4:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69b224bbc4088190bdbb0a214b512944 completed March 12, 2026, 2:28 a.m.
NEDg Description generation batch_69b225a549688190b322c770eb7c61ac completed March 12, 2026, 2:32 a.m.
NED2 Entity disambiguation (via description) batch_69b225fef06081908dcd8201def1ad95 completed March 12, 2026, 2:33 a.m.
Created at: March 8, 2026, 3:02 p.m.