Triple

T13955145
Position Surface form Disambiguated ID Type / Status
Subject Oshiage Station E335636 entity
Predicate servedByLine P1293 FINISHED
Object Keisei Oshiage Line — 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: Keisei Oshiage Line | Statement: [Oshiage Station, servedByLine, Keisei Oshiage Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Keisei Oshiage Line
Context triple: [Oshiage Station, servedByLine, Keisei Oshiage Line]
  • A. Keio Takao Line
    The Keio Takao Line is a commuter railway line in the Tokyo area operated by Keio Corporation, providing access toward the Mount Takao region.
  • B. Karasuma Line
    The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
  • C. Keishin Line
    The Keishin Line is a railway line in Japan operated by Keihan Electric Railway, connecting parts of Kyoto and Shiga Prefectures as a key commuter and interurban route.
  • D. Imazatosuji Line
    The Imazatosuji Line is a rapid transit line in Osaka, Japan, operated by Osaka Metro and serving as one of the city’s main north–south subway corridors.
  • E. Marunouchi Line
    The Marunouchi Line is one of Tokyo’s main subway lines, forming a central loop and radial route that connects key business, shopping, and transit hubs across the city.
  • 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: Keisei Oshiage Line
Target entity description: The Keisei Oshiage Line is a commuter railway line in Tokyo operated by Keisei Electric Railway, connecting central Tokyo with the company’s main lines toward Chiba.
  • A. Keio Takao Line
    The Keio Takao Line is a commuter railway line in the Tokyo area operated by Keio Corporation, providing access toward the Mount Takao region.
  • B. Karasuma Line
    The Karasuma Line is a major Kyoto Municipal Subway line running north–south through Kyoto, connecting key districts and transportation hubs including Kyoto Station.
  • C. Keishin Line
    The Keishin Line is a railway line in Japan operated by Keihan Electric Railway, connecting parts of Kyoto and Shiga Prefectures as a key commuter and interurban route.
  • D. Imazatosuji Line
    The Imazatosuji Line is a rapid transit line in Osaka, Japan, operated by Osaka Metro and serving as one of the city’s main north–south subway corridors.
  • E. Marunouchi Line
    The Marunouchi Line is one of Tokyo’s main subway lines, forming a central loop and radial route that connects key business, shopping, and transit hubs across the city.
  • 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_69d81c6081b88190b53e317c3370c8fe completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de2e78a4a481908e438745631a43c0 completed April 14, 2026, 12:09 p.m.
Created at: April 9, 2026, 10:17 p.m.