Triple

T7381214
Position Surface form Disambiguated ID Type / Status
Subject Keio New Line E170255 entity
Predicate railwaySystem P522 FINISHED
Object Keio Electric Railway network E178944 NE FINISHED

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: Keio Electric Railway network
Context triple: [Keio New Line, railwaySystem, Keio Electric Railway network]
  • A. Keio railway network chosen
    The Keio railway network is a private railway system in the Tokyo metropolitan area operated by Keio Corporation, linking central Tokyo with its western suburbs through multiple commuter lines.
  • B. Tokyu railway network
    The Tokyu railway network is a major private rail system in the Greater Tokyo area, operated by Tokyu Corporation and serving key suburban and urban corridors including central hubs like Shibuya.
  • C. Keio Line
    The Keio Line is a major private railway line in Tokyo, Japan, operated by Keio Corporation, connecting central Tokyo with its western suburbs.
  • D. Tobu Railway
    Tobu Railway is a major private railway company in Japan that operates extensive rail networks in the Greater Tokyo area and surrounding regions.
  • E. Seibu Railway
    Seibu Railway is a major private railway operator in the Greater Tokyo area of Japan, running extensive commuter and interurban train services across Tokyo and Saitama.
  • 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_69c68a5d0ed08190b6d361e68f813330 elicitation completed
NER batch_69c6f1c7b5bc81908afa2bf39159979b ner completed
NED1 batch_69c810e3c2bc8190a455dac60dfdbc97 ned_source_triple completed
Created at: March 27, 2026, 3:08 p.m.