Triple

T10520905
Position Surface form Disambiguated ID Type / Status
Subject Hackensack River watershed E248165 entity
Predicate containsWaterBody P1778 FINISHED
Object Tappan Reservoir
Tappan Reservoir is a man-made lake in New Jersey that serves as a major drinking water supply and flood-control resource within the Hackensack River watershed.
 E875048 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: Tappan Reservoir | Statement: [Hackensack River watershed, containsWaterBody, Tappan Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tappan Reservoir
Context triple: [Hackensack River watershed, containsWaterBody, Tappan Reservoir]
  • A. Katonah Reservoir
    Katonah Reservoir is a man-made water body in Westchester County, New York, that forms part of the New York City water supply system.
  • B. Kensico Reservoir
    Kensico Reservoir is a major New York City water supply reservoir located in Westchester County, New York, known for its role in storing and regulating drinking water from the Catskill and Delaware systems.
  • C. Palisades Reservoir
    Palisades Reservoir is a large man-made lake on the Snake River in eastern Idaho and western Wyoming, popular for boating, fishing, and irrigation storage.
  • D. Titicus Reservoir
    Titicus Reservoir is a man-made lake in Westchester County, New York, that serves as one of the key water supply reservoirs for New York City.
  • E. Boonton Reservoir
    Boonton Reservoir is a man-made lake in northern New Jersey that serves as a major water supply source and recreational area for the surrounding region.
  • 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: Tappan Reservoir
Triple: [Hackensack River watershed, containsWaterBody, Tappan Reservoir]
Generated description
Tappan Reservoir is a man-made lake in New Jersey that serves as a major drinking water supply and flood-control resource within the Hackensack River watershed.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tappan Reservoir
Target entity description: Tappan Reservoir is a man-made lake in New Jersey that serves as a major drinking water supply and flood-control resource within the Hackensack River watershed.
  • A. Katonah Reservoir
    Katonah Reservoir is a man-made water body in Westchester County, New York, that forms part of the New York City water supply system.
  • B. Kensico Reservoir
    Kensico Reservoir is a major New York City water supply reservoir located in Westchester County, New York, known for its role in storing and regulating drinking water from the Catskill and Delaware systems.
  • C. Palisades Reservoir
    Palisades Reservoir is a large man-made lake on the Snake River in eastern Idaho and western Wyoming, popular for boating, fishing, and irrigation storage.
  • D. Titicus Reservoir
    Titicus Reservoir is a man-made lake in Westchester County, New York, that serves as one of the key water supply reservoirs for New York City.
  • E. Boonton Reservoir
    Boonton Reservoir is a man-made lake in northern New Jersey that serves as a major water supply source and recreational area for the surrounding region.
  • 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_69d381c5c7448190bec34bee7ec72bac completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d509dec25881909bc748640f26a416 completed April 7, 2026, 1:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69d96b3d6f6c81908d8247da9d9caab2 completed April 10, 2026, 9:27 p.m.
NEDg Description generation batch_69d96d85f9648190a43c8c924f5139e3 completed April 10, 2026, 9:37 p.m.
NED2 Entity disambiguation (via description) batch_69d96e1a36688190b97ced745bc6a30d completed April 10, 2026, 9:39 p.m.
Created at: April 6, 2026, 12:28 p.m.