Triple

T20896206
Position Surface form Disambiguated ID Type / Status
Subject Nankai limited express EMUs E514542 entity
Predicate includesSeries P1393 FINISHED
Object Nankai 12000 series
The Nankai 12000 series is a modern electric multiple unit train operated by Nankai Electric Railway in Japan, primarily used for limited express services.
 E514542 NE FINISHED

How this triple was built (4 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 12000 series | Statement: [Nankai limited express EMUs, includesSeries, Nankai 12000 series]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nankai 12000 series
Context triple: [Nankai limited express EMUs, includesSeries, Nankai 12000 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. Keikyu 2100 series EMU
    The Keikyu 2100 series EMU is a Japanese electric multiple unit train operated by Keikyu, known for its distinctive front design and use on limited express and commuter services in the Tokyo–Yokohama area.
  • D. 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.
  • E. 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.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Nankai 12000 series
Triple: [Nankai limited express EMUs, includesSeries, Nankai 12000 series]
Generated description
The Nankai 12000 series is a modern electric multiple unit train operated by Nankai Electric Railway in Japan, primarily used for limited express services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nankai 12000 series
Target entity description: The Nankai 12000 series is a modern electric multiple unit train operated by Nankai Electric Railway in Japan, primarily used for 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. Keikyu 2100 series EMU
    The Keikyu 2100 series EMU is a Japanese electric multiple unit train operated by Keikyu, known for its distinctive front design and use on limited express and commuter services in the Tokyo–Yokohama area.
  • D. 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.
  • E. 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.
  • F. None of above.

Provenance (5 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.
NED1 Entity disambiguation (via context triple) batch_6a092fa770b48190b0ee529dcab1917d completed May 17, 2026, 3:01 a.m.
NEDg Description generation batch_6a0930f13618819086ae6ff00e293a5c completed May 17, 2026, 3:07 a.m.
NED2 Entity disambiguation (via description) batch_6a0931545b288190baf250d9796eca7d completed May 17, 2026, 3:09 a.m.
Created at: April 16, 2026, 12:47 p.m.