Triple

T20896205
Position Surface form Disambiguated ID Type / Status
Subject Nankai limited express EMUs E514542 entity
Predicate includesSeries P1393 FINISHED
Object Nankai 31000 series — 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: Nankai 31000 series | Statement: [Nankai limited express EMUs, includesSeries, Nankai 31000 series]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nankai 31000 series
Context triple: [Nankai limited express EMUs, includesSeries, Nankai 31000 series]
  • A. Nankai 1000 series
    The Nankai 1000 series is a Japanese electric multiple unit train type operated by Nankai Electric Railway on commuter services in the Osaka area.
  • B. Nankai 2200 series
    The Nankai 2200 series is a type of electric multiple unit train operated by Nankai Electric Railway in Japan for commuter services.
  • C. Nankai limited express EMUs
    Nankai limited express EMUs are high-speed electric multiple unit trains operated by Nankai Electric Railway in Japan, primarily used for limited express passenger services including those on the Koya Line.
  • D. Hankyu 3300 series
    The Hankyu 3300 series is a Japanese electric multiple unit train type operated by Hankyu Railway, primarily used for commuter services in the Osaka area.
  • E. Keikyu 1000 series EMU
    The Keikyu 1000 series EMU is a Japanese electric multiple unit train type operated by Keikyu for commuter and airport access services in the Tokyo–Yokohama area.
  • 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: Nankai 31000 series
Target entity description: The Nankai 31000 series is a Japanese electric multiple unit train type operated by Nankai Electric Railway on limited express services.
  • A. Nankai 1000 series
    The Nankai 1000 series is a Japanese electric multiple unit train type operated by Nankai Electric Railway on commuter services in the Osaka area.
  • B. Nankai 2200 series
    The Nankai 2200 series is a type of electric multiple unit train operated by Nankai Electric Railway in Japan for commuter services.
  • C. Nankai limited express EMUs chosen
    Nankai limited express EMUs are high-speed electric multiple unit trains operated by Nankai Electric Railway in Japan, primarily used for limited express passenger services including those on the Koya Line.
  • D. Hankyu 3300 series
    The Hankyu 3300 series is a Japanese electric multiple unit train type operated by Hankyu Railway, primarily used for commuter services in the Osaka area.
  • E. Keikyu 1000 series EMU
    The Keikyu 1000 series EMU is a Japanese electric multiple unit train type operated by Keikyu for commuter and airport access services in the Tokyo–Yokohama area.
  • F. None of above.

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_69e0b4f7ebe48190952a85547a0f31a1 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6d06233588190942493b709e30820 completed April 21, 2026, 1:18 a.m.
Created at: April 16, 2026, 12:47 p.m.