Triple

T360841
Position Surface form Disambiguated ID Type / Status
Subject Town of Yorktown E7846 entity
Predicate partOfWatershed P5506 FINISHED
Object Croton Watershed
The Croton Watershed is a major New York City water supply watershed in the lower Hudson Valley, encompassing numerous reservoirs and tributaries that provide drinking water to the city and surrounding communities.
E1836 NE FINISHED

How this triple was built (5 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: Croton Watershed | Statement: [Town of Yorktown, partOfWatershed, Croton Watershed]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Croton Watershed
Context triple: [Town of Yorktown, partOfWatershed, Croton Watershed]
  • A. Bull Run watershed
    The Bull Run watershed is a drainage basin in northern Virginia whose streams and rivers, including Bull Run, shape the local hydrology and landscape around communities such as Manassas.
  • B. Mystic River watershed
    The Mystic River watershed is a drainage basin in the Greater Boston area of Massachusetts that collects water from numerous rivers and streams before emptying into Boston Harbor.
  • C. Don River
    The Don River is a significant waterway in Toronto, Ontario, that flows south through the city into Lake Ontario and has played an important role in its urban and environmental history.
  • D. San Tomas Aquino Creek
    San Tomas Aquino Creek is a small urban waterway in Santa Clara County, California, that flows through several cities in Silicon Valley before emptying into the southern end of San Francisco Bay.
  • E. Croton River
    The Croton River is a river in southeastern New York that flows through Westchester and Putnam counties and is a key source for 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: Croton Watershed
Triple: [Town of Yorktown, partOfWatershed, Croton Watershed]
Generated description
The Croton Watershed is a major New York City water supply watershed in the lower Hudson Valley, encompassing numerous reservoirs and tributaries that provide drinking water to the city and surrounding communities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Croton Watershed
Target entity description: The Croton Watershed is a major New York City water supply watershed in the lower Hudson Valley, encompassing numerous reservoirs and tributaries that provide drinking water to the city and surrounding communities.
  • A. Bull Run watershed
    The Bull Run watershed is a drainage basin in northern Virginia whose streams and rivers, including Bull Run, shape the local hydrology and landscape around communities such as Manassas.
  • B. Mystic River watershed
    The Mystic River watershed is a drainage basin in the Greater Boston area of Massachusetts that collects water from numerous rivers and streams before emptying into Boston Harbor.
  • C. Don River
    The Don River is a significant waterway in Toronto, Ontario, that flows south through the city into Lake Ontario and has played an important role in its urban and environmental history.
  • D. San Tomas Aquino Creek
    San Tomas Aquino Creek is a small urban waterway in Santa Clara County, California, that flows through several cities in Silicon Valley before emptying into the southern end of San Francisco Bay.
  • E. Croton River chosen
    The Croton River is a river in southeastern New York that flows through Westchester and Putnam counties and is a key source for New York City's Croton water supply system.
  • F. None of above.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: partOfWatershed
Context triple: [Town of Yorktown, partOfWatershed, Croton Watershed]
  • A. hydrologicallyLocatedIn
    Indicates that a water-related feature (such as a river, lake, or watershed) is situated within or associated with a specific geographic or administrative area in terms of hydrology.
  • B. drainageBasin
    Indicates the area of land where all precipitation and surface water flow are collected and drained toward a particular river, lake, or other water body.
  • C. basin chosen
    Indicates a geographic area where surface water drains into a common outlet, such as a river, lake, or ocean.
  • D. basinType
    Indicates the specific kind or classification of a basin associated with an entity (e.g., by form, function, or hydrological role).
  • E. tributary
    Indicates that one watercourse flows into and feeds another, contributing its water to a larger stream, river, or lake.
  • F. None of above.

Provenance (6 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_69a2e7e880008190a6ad7e06e5d03007 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2ebccb8d88190a31f7c443a0c8566 completed Feb. 28, 2026, 1:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69a79277143c819091019a9ca625039f completed March 4, 2026, 2:01 a.m.
NEDg Description generation batch_69a7931d1bac8190b9b300f3d7f94131 completed March 4, 2026, 2:04 a.m.
NED2 Entity disambiguation (via description) batch_69a793860a688190a537418beb72141c completed March 4, 2026, 2:05 a.m.
PD Predicate disambiguation batch_69a2e95aeed48190b5e48865cc964938 completed Feb. 28, 2026, 1:10 p.m.
Created at: Feb. 28, 2026, 1:08 p.m.