Triple

T15371922
Position Surface form Disambiguated ID Type / Status
Subject Meyersdale, Pennsylvania E367568 entity
Predicate nearbyFeature P2064 FINISHED
Object Casselman River — NE NERFINISHED

How this triple was built (3 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: Casselman River | Statement: [Meyersdale, Pennsylvania, nearbyFeature, Casselman River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Casselman River
Context triple: [Meyersdale, Pennsylvania, nearbyFeature, Casselman River]
  • A. Mathias River
    Mathias River is a tributary waterway in New Zealand’s South Island that feeds into the larger Rakaia River system.
  • B. Kettle River
    The Kettle River is a tributary of the Columbia River that flows through south-central British Columbia and northeastern Washington, known for its scenic valleys and recreational opportunities.
  • C. Kettle River
    The Kettle River is a scenic river in eastern Minnesota known for its rugged rapids, sandstone cliffs, and popularity for paddling and outdoor recreation.
  • D. Macalister River
    The Macalister River is a significant waterway in eastern Victoria, Australia, known for supporting irrigation, agriculture, and hydroelectric power within the Gippsland region.
  • E. Chilkat River
    The Chilkat River is a glacially fed river in Southeast Alaska renowned for its rich salmon runs and as one of the world’s premier bald eagle gathering sites.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Casselman River
Target entity description: The Casselman River is a tributary of the Youghiogheny River in western Maryland and southwestern Pennsylvania, known for flowing through the Allegheny Mountains and supporting regional recreation and wildlife habitats.
  • A. Mathias River
    Mathias River is a tributary waterway in New Zealand’s South Island that feeds into the larger Rakaia River system.
  • B. Kettle River
    The Kettle River is a tributary of the Columbia River that flows through south-central British Columbia and northeastern Washington, known for its scenic valleys and recreational opportunities.
  • C. Kettle River
    The Kettle River is a scenic river in eastern Minnesota known for its rugged rapids, sandstone cliffs, and popularity for paddling and outdoor recreation.
  • D. Macalister River
    The Macalister River is a significant waterway in eastern Victoria, Australia, known for supporting irrigation, agriculture, and hydroelectric power within the Gippsland region.
  • E. Chilkat River
    The Chilkat River is a glacially fed river in Southeast Alaska renowned for its rich salmon runs and as one of the world’s premier bald eagle gathering sites.
  • F. None of above. chosen

Provenance (2 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_69d85a1483788190ad93c2748e8af34b completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03e5c1d548190930bfaf0861595ae completed April 16, 2026, 1:41 a.m.
Created at: April 10, 2026, 3:18 a.m.