Triple

T9510876
Position Surface form Disambiguated ID Type / Status
Subject Sammamish River E229388 entity
Predicate partOf P40 FINISHED
Object Lake Washington drainage basin E132463 NE FINISHED

How this triple was built (2 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: Lake Washington drainage basin | Statement: [Sammamish River, partOf, Lake Washington drainage basin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lake Washington drainage basin
Context triple: [Sammamish River, partOf, Lake Washington drainage basin]
  • A. Lake Washington–Cedar River watershed chosen
    The Lake Washington–Cedar River watershed is a major hydrological basin in the Seattle metropolitan area that drains water from the Cedar River and surrounding tributaries into Lake Washington and ultimately Puget Sound.
  • B. Lake Washington
    Lake Washington is a large freshwater lake in western Washington State, situated between Seattle and Bellevue and known for its urban shoreline, recreational activities, and floating bridges.
  • C. La Mesa Watershed
    La Mesa Watershed is a protected forest and reservoir area in Quezon City that serves as a major source of drinking water and a key urban green space for Metro Manila.
  • D. Tillamook Bay watershed
    The Tillamook Bay watershed is the coastal drainage basin in northwestern Oregon that collects water from surrounding rivers and streams and feeds it into Tillamook Bay.
  • E. Lake Missoula basin
    Lake Missoula basin is the prehistoric glacial lake depression in the Pacific Northwest that once held vast volumes of meltwater responsible for the cataclysmic Missoula Floods.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca84777560819084cddd999badc1aa completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd9868616c8190856f89fecfa1a02e completed April 1, 2026, 10:12 p.m.
NED1 Entity disambiguation (via context triple) batch_69d13a37c7ec8190a24ae0eec76b4f67 completed April 4, 2026, 4:20 p.m.
Created at: March 30, 2026, 7:58 p.m.