Triple

T1479658
Position Surface form Disambiguated ID Type / Status
Subject Chestnut Hill, Newton E30922 entity
Predicate near P350 FINISHED
Object Chestnut Hill Reservoir
Chestnut Hill Reservoir is a historic man-made lake in the Chestnut Hill area of Boston, Massachusetts, known for its scenic walking paths and role in the city’s former water supply system.
E171979 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: Chestnut Hill Reservoir | Statement: [Chestnut Hill, Newton, near, Chestnut Hill Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chestnut Hill Reservoir
Context triple: [Chestnut Hill, Newton, near, Chestnut Hill Reservoir]
  • A. Malden Reservoir
    Malden Reservoir is a man-made water body in Massachusetts that serves as a local water supply and recreational resource within the greater Boston area.
  • B. Union Valley Reservoir
    Union Valley Reservoir is a large man-made lake in California’s Sierra Nevada used for recreation and hydroelectric power within Eldorado National Forest.
  • C. Jerome Park Reservoir
    Jerome Park Reservoir is a major freshwater storage facility in the Bronx that plays a key role in New York City’s Croton water supply system.
  • D. 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.
  • E. Middle Branch Reservoir
    Middle Branch Reservoir is a man-made lake in New York’s Croton Watershed that serves as part of the New York City 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: Chestnut Hill Reservoir
Triple: [Chestnut Hill, Newton, near, Chestnut Hill Reservoir]
Generated description
Chestnut Hill Reservoir is a historic man-made lake in the Chestnut Hill area of Boston, Massachusetts, known for its scenic walking paths and role in the city’s former water supply system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chestnut Hill Reservoir
Target entity description: Chestnut Hill Reservoir is a historic man-made lake in the Chestnut Hill area of Boston, Massachusetts, known for its scenic walking paths and role in the city’s former water supply system.
  • A. Malden Reservoir
    Malden Reservoir is a man-made water body in Massachusetts that serves as a local water supply and recreational resource within the greater Boston area.
  • B. Union Valley Reservoir
    Union Valley Reservoir is a large man-made lake in California’s Sierra Nevada used for recreation and hydroelectric power within Eldorado National Forest.
  • C. Jerome Park Reservoir
    Jerome Park Reservoir is a major freshwater storage facility in the Bronx that plays a key role in New York City’s Croton water supply system.
  • D. 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.
  • E. Middle Branch Reservoir
    Middle Branch Reservoir is a man-made lake in New York’s Croton Watershed that serves as part of the New York City 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_69a498fe55a88190ab7f9e40ace88e49 completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c674cc9c819088fc9146c7a7a914 completed March 1, 2026, 11:06 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad232d039c8190840719485e214bfc completed March 8, 2026, 7:20 a.m.
NEDg Description generation batch_69ad2399f8408190872be9c2f04644ca completed March 8, 2026, 7:22 a.m.
NED2 Entity disambiguation (via description) batch_69ad247476d08190827501ff5b380646 completed March 8, 2026, 7:25 a.m.
Created at: March 1, 2026, 8:11 p.m.