Triple

T1516805
Position Surface form Disambiguated ID Type / Status
Subject Nankai Electric Railway E32139 entity
Predicate operatesLine P15252 FINISHED
Object Nankai Koya Line E102999 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: Nankai Koya Line | Statement: [Nankai Electric Railway, operatesLine, Nankai Koya Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nankai Koya Line
Context triple: [Nankai Electric Railway, operatesLine, Nankai Koya Line]
  • A. Nankai Koya Line chosen
    The Nankai Koya Line is a major private railway line in the Osaka region of Japan operated by Nankai Electric Railway, connecting central Osaka with the Mount Koya area.
  • B. Sennichimae Line
    The Sennichimae Line is a rapid transit line in Osaka, Japan, forming part of the city’s urban subway network.
  • C. Kintetsu Namba Line
    The Kintetsu Namba Line is a major commuter railway line in Osaka, Japan, operated by Kintetsu Railway and connecting central Osaka with the wider Kintetsu network.
  • 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. Nagahori Tsurumi-ryokuchi Line
    The Nagahori Tsurumi-ryokuchi Line is a major Osaka Metro subway line in Osaka, Japan, known for being the country’s first full-scale linear motor-powered urban railway line.
  • 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_69a885e8caf88190a5fbb6159ce87786 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69aa61f688148190bcc7c14372ce5bd1 completed March 6, 2026, 5:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69af83294c4881908411bc4f8649dbdd completed March 10, 2026, 2:34 a.m.
Created at: March 4, 2026, 7:26 p.m.