Triple

T12779699
Position Surface form Disambiguated ID Type / Status
Subject Takashinohama Line E305472 entity
Predicate usesRollingStock P5426 FINISHED
Object 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.
 E1018575 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 1000 series | Statement: [Takashinohama Line, usesRollingStock, Nankai 1000 series]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nankai 1000 series
Context triple: [Takashinohama Line, usesRollingStock, Nankai 1000 series]
  • A. 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.
  • B. 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.
  • C. Nagoya 5000 series trains
    The Nagoya 5000 series trains are Japanese-built electric multiple units originally used in Nagoya that were later exported and adapted for service on Buenos Aires’ Line D of the underground.
  • D. Hankyu 1300 series
    The Hankyu 1300 series is a Japanese electric multiple unit train type operated by Hankyu Railway, primarily used for commuter services in the Osaka area.
  • E. Odakyu 1000 series EMU
    The Odakyu 1000 series EMU is a Japanese electric multiple unit train type operated by Odakyu Electric Railway for commuter services in the Tokyo area.
  • 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 1000 series
Triple: [Takashinohama Line, usesRollingStock, Nankai 1000 series]
Generated description
The Nankai 1000 series is a Japanese electric multiple unit train type operated by Nankai Electric Railway on commuter services in the Osaka area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nankai 1000 series
Target entity description: The Nankai 1000 series is a Japanese electric multiple unit train type operated by Nankai Electric Railway on commuter services in the Osaka area.
  • A. 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.
  • B. 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.
  • C. Nagoya 5000 series trains
    The Nagoya 5000 series trains are Japanese-built electric multiple units originally used in Nagoya that were later exported and adapted for service on Buenos Aires’ Line D of the underground.
  • D. Hankyu 1300 series
    The Hankyu 1300 series is a Japanese electric multiple unit train type operated by Hankyu Railway, primarily used for commuter services in the Osaka area.
  • E. Odakyu 1000 series EMU
    The Odakyu 1000 series EMU is a Japanese electric multiple unit train type operated by Odakyu Electric Railway for commuter services in the Tokyo area.
  • F. None of above. chosen

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_69d7bdf2b43c819098ae5aa68e61ea58 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96e5a5680819095dcd491486d23e7 completed April 10, 2026, 9:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6cbb735e481909f120f95fa68f4f1 completed May 3, 2026, 4:14 a.m.
NEDg Description generation batch_69f6ce1f52388190935be76122890d63 completed May 3, 2026, 4:25 a.m.
NED2 Entity disambiguation (via description) batch_69f6ceafcca88190bcd65be3c4440987 completed May 3, 2026, 4:27 a.m.
Created at: April 9, 2026, 5:29 p.m.