Triple

T1424944
Position Surface form Disambiguated ID Type / Status
Subject Mystic River watershed E30307 entity
Predicate contains P35 FINISHED
Object Spot Pond
Spot Pond is a scenic freshwater reservoir in Stoneham, Massachusetts, known for its recreational use and role in the Boston-area water supply system.
 E191462 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: Spot Pond | Statement: [Mystic River watershed, contains, Spot Pond]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Spot Pond
Context triple: [Mystic River watershed, contains, Spot Pond]
  • A. Poucha Pond
    Poucha Pond is a small tidal pond on Chappaquiddick Island in Massachusetts, best known as the site of the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
  • B. Sand Pond
    Sand Pond is a small natural pond located within the Blackwell Forest Preserve in DuPage County, Illinois, known for its scenic setting and wildlife habitat.
  • C. Willow Pond
    Willow Pond is a scenic body of water in Olmsted Park, known for its tranquil setting and surrounding natural landscape.
  • D. Pillings Pond
    Pillings Pond is a small recreational and scenic pond located in the town of Lynnfield, Massachusetts.
  • E. Osgood Pond
    Osgood Pond is a scenic lake in New York’s Adirondack region known for its historic great camps, boating, and natural beauty.
  • 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: Spot Pond
Triple: [Mystic River watershed, contains, Spot Pond]
Generated description
Spot Pond is a scenic freshwater reservoir in Stoneham, Massachusetts, known for its recreational use and role in the Boston-area water supply system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Spot Pond
Target entity description: Spot Pond is a scenic freshwater reservoir in Stoneham, Massachusetts, known for its recreational use and role in the Boston-area water supply system.
  • A. Poucha Pond
    Poucha Pond is a small tidal pond on Chappaquiddick Island in Massachusetts, best known as the site of the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
  • B. Sand Pond
    Sand Pond is a small natural pond located within the Blackwell Forest Preserve in DuPage County, Illinois, known for its scenic setting and wildlife habitat.
  • C. Willow Pond
    Willow Pond is a scenic body of water in Olmsted Park, known for its tranquil setting and surrounding natural landscape.
  • D. Pillings Pond
    Pillings Pond is a small recreational and scenic pond located in the town of Lynnfield, Massachusetts.
  • E. Osgood Pond
    Osgood Pond is a scenic lake in New York’s Adirondack region known for its historic great camps, boating, and natural beauty.
  • 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_69a498fb823c8190a67ce4c4837e641a completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c4bd59148190b96f9f585e07aa0d completed March 1, 2026, 10:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad7974565881909aad28efedda6721 completed March 8, 2026, 1:28 p.m.
NEDg Description generation batch_69ad7a224d248190b0d1a7f70b76c164 completed March 8, 2026, 1:31 p.m.
NED2 Entity disambiguation (via description) batch_69ad7b4b4a208190966fa07a6f0d626e completed March 8, 2026, 1:36 p.m.
Created at: March 1, 2026, 8 p.m.