Triple

T1596002
Position Surface form Disambiguated ID Type / Status
Subject Echo Lake, Hopkinton, Massachusetts E34283 entity
Predicate alsoKnownAs P39 FINISHED
Object Echo Lake Reservoir
Echo Lake Reservoir is a man-made lake in Hopkinton, Massachusetts, primarily used as a public water supply and recreational area.
 E191181 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: Echo Lake Reservoir | Statement: [Echo Lake, Hopkinton, Massachusetts, alsoKnownAs, Echo Lake Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Echo Lake Reservoir
Context triple: [Echo Lake, Hopkinton, Massachusetts, alsoKnownAs, Echo Lake Reservoir]
  • A. Ice House Reservoir
    Ice House Reservoir is a popular alpine lake in California’s Sierra Nevada known for camping, boating, and fishing within the Eldorado National Forest.
  • B. Silver Lake Reservoir
    Silver Lake Reservoir is a man-made urban lake and surrounding recreational area in Los Angeles, California, known for its walking paths, scenic views, and role as a local water storage facility.
  • C. Taylor Park Reservoir
    Taylor Park Reservoir is a high-elevation mountain lake in central Colorado popular for fishing, boating, and outdoor recreation amid the Sawatch Range.
  • D. Muscoot Reservoir
    Muscoot Reservoir is a man-made lake in Westchester County, New York, that serves as a key component of New York City’s Croton water supply system.
  • E. Amawalk Reservoir
    Amawalk Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply 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: Echo Lake Reservoir
Triple: [Echo Lake, Hopkinton, Massachusetts, alsoKnownAs, Echo Lake Reservoir]
Generated description
Echo Lake Reservoir is a man-made lake in Hopkinton, Massachusetts, primarily used as a public water supply and recreational area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Echo Lake Reservoir
Target entity description: Echo Lake Reservoir is a man-made lake in Hopkinton, Massachusetts, primarily used as a public water supply and recreational area.
  • A. Ice House Reservoir
    Ice House Reservoir is a popular alpine lake in California’s Sierra Nevada known for camping, boating, and fishing within the Eldorado National Forest.
  • B. Silver Lake Reservoir
    Silver Lake Reservoir is a man-made urban lake and surrounding recreational area in Los Angeles, California, known for its walking paths, scenic views, and role as a local water storage facility.
  • C. Taylor Park Reservoir
    Taylor Park Reservoir is a high-elevation mountain lake in central Colorado popular for fishing, boating, and outdoor recreation amid the Sawatch Range.
  • D. Muscoot Reservoir
    Muscoot Reservoir is a man-made lake in Westchester County, New York, that serves as a key component of New York City’s Croton water supply system.
  • E. Amawalk Reservoir
    Amawalk Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply 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_69a885fdcb9c819081ce6f0b8cd477dd completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a9092ccb388190b2f3ed86b3853651 completed March 5, 2026, 4:40 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad797d8c68819093fb2bcae0a08698 completed March 8, 2026, 1:28 p.m.
NEDg Description generation batch_69ad7a854a68819094cffb51a6b148b9 completed March 8, 2026, 1:32 p.m.
NED2 Entity disambiguation (via description) batch_69ad7b3fec8881908bd440e22f01b507 completed March 8, 2026, 1:36 p.m.
Created at: March 4, 2026, 7:27 p.m.