Triple

T10550109
Position Surface form Disambiguated ID Type / Status
Subject Schoharie–Esopus water diversion system E248924 entity
Predicate hasPart P35 FINISHED
Object Shandaken Tunnel E48689 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Shandaken Tunnel | Statement: [Schoharie–Esopus water diversion system, hasPart, Shandaken Tunnel]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Shandaken Tunnel
Context triple: [Schoharie–Esopus water diversion system, hasPart, Shandaken Tunnel]
  • A. Shandaken Tunnel chosen
    The Shandaken Tunnel is an aqueduct in New York State that diverts water from the Schoharie Reservoir to the Esopus Creek as part of the New York City water supply system.
  • B. Homer Tunnel
    Homer Tunnel is a road tunnel in New Zealand’s Fiordland that provides critical access through the mountains on the route to Milford Sound.
  • C. Summit Tunnel
    Summit Tunnel is a historic railroad tunnel driven through the Sierra Nevada in California, notable for its challenging 19th-century construction as part of the First Transcontinental Railroad.
  • D. West Branch Tunnel
    West Branch Tunnel is a major underground conduit within New York’s Delaware Aqueduct system that transports drinking water from upstate reservoirs toward New York City.
  • E. East Branch Tunnel
    East Branch Tunnel is a major underground conduit within New York’s Delaware Aqueduct system that transports drinking water from upstate reservoirs toward New York City.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d381c733c08190ab1dd6239f5f34ae elicitation completed
NER batch_69d526d3e45c819099b360f9cfd3dd50 ner completed
NED1 batch_69d934639b3481908204db41101132c3 ned_source_triple completed
Created at: April 6, 2026, 12:34 p.m.