Triple

T2868528
Position Surface form Disambiguated ID Type / Status
Subject Tokaido Shinkansen E63499 entity
Predicate primaryRollingStockSeries P5426 FINISHED
Object N700S series
The N700S series is a latest-generation Japanese Shinkansen high-speed train known for its improved safety, energy efficiency, and passenger comfort.
E306036 NE FINISHED

How this triple was built (5 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: N700S series | Statement: [Tokaido Shinkansen, primaryRollingStockSeries, N700S series]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: N700S series
Context triple: [Tokaido Shinkansen, primaryRollingStockSeries, N700S series]
  • A. Japanese Shinkansen Series 0 car
    The Japanese Shinkansen Series 0 car is an early-generation high-speed bullet train vehicle from Japan, renowned for inaugurating the world’s first high-speed rail service in the 1960s.
  • B. E235 series EMU
    The E235 series EMU is a modern Japanese commuter train operated by JR East, notable for its advanced onboard information systems, energy-efficient design, and use on busy urban lines in the Tokyo area.
  • C. E233 series EMU
    The E233 series EMU is a modern Japanese commuter train type operated by JR East, known for its high capacity, reliability, and widespread use on busy urban and suburban lines around Tokyo.
  • D. E231 series EMU
    The E231 series EMU is a widely used Japanese commuter train type operated by JR East, known for its high-capacity, rapid-transit service in the Greater Tokyo area.
  • E. Tokyu 5000 series
    The Tokyu 5000 series is a Japanese electric multiple unit train type operated by Tokyu Corporation, primarily used for commuter services in the Tokyo metropolitan 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: N700S series
Triple: [Tokaido Shinkansen, primaryRollingStockSeries, N700S series]
Generated description
The N700S series is a latest-generation Japanese Shinkansen high-speed train known for its improved safety, energy efficiency, and passenger comfort.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: N700S series
Target entity description: The N700S series is a latest-generation Japanese Shinkansen high-speed train known for its improved safety, energy efficiency, and passenger comfort.
  • A. Japanese Shinkansen Series 0 car
    The Japanese Shinkansen Series 0 car is an early-generation high-speed bullet train vehicle from Japan, renowned for inaugurating the world’s first high-speed rail service in the 1960s.
  • B. E235 series EMU
    The E235 series EMU is a modern Japanese commuter train operated by JR East, notable for its advanced onboard information systems, energy-efficient design, and use on busy urban lines in the Tokyo area.
  • C. E233 series EMU
    The E233 series EMU is a modern Japanese commuter train type operated by JR East, known for its high capacity, reliability, and widespread use on busy urban and suburban lines around Tokyo.
  • D. E231 series EMU
    The E231 series EMU is a widely used Japanese commuter train type operated by JR East, known for its high-capacity, rapid-transit service in the Greater Tokyo area.
  • E. Tokyu 5000 series
    The Tokyu 5000 series is a Japanese electric multiple unit train type operated by Tokyu Corporation, primarily used for commuter services in the Tokyo metropolitan area.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: primaryRollingStockSeries
Context triple: [Tokaido Shinkansen, primaryRollingStockSeries, N700S series]
  • A. ownedRollingStock
    Indicates that one entity possesses or has ownership rights over specific rolling stock (such as trains, railcars, or locomotives).
  • B. formerRollingStock
    Indicates that an entity was previously used as rolling stock (e.g., railway vehicles) but no longer serves in that capacity.
  • C. introducedRollingStock
    Indicates that an entity caused new rolling stock (such as trains or rail vehicles) to be put into service or use.
  • D. rollingStockType
    Indicates the specific category or type of railway rolling stock associated with an entity (e.g., locomotive, passenger car, freight wagon).
  • E. usesRollingStock chosen
    Indicates that one entity employs or operates specific rolling stock (such as rail vehicles) in its activities or services.
  • F. None of above.

Provenance (6 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_69ab4c42fb8c8190b36e161d47c03b81 completed March 6, 2026, 9:50 p.m.
NER Named-entity recognition batch_69abdfdfef1881909dc52a1b34cd24e3 completed March 7, 2026, 8:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69b01dabb19c8190822ac992ab764446 completed March 10, 2026, 1:33 p.m.
NEDg Description generation batch_69b01e34639c8190b1c6e8a14cd31d96 completed March 10, 2026, 1:35 p.m.
NED2 Entity disambiguation (via description) batch_69b01f5a6784819089499926fb115d9c completed March 10, 2026, 1:40 p.m.
PD Predicate disambiguation batch_69abdd123ec48190af50a1859aea50b7 completed March 7, 2026, 8:08 a.m.
Created at: March 6, 2026, 10:02 p.m.