Triple

T5960192
Position Surface form Disambiguated ID Type / Status
Subject Tobu 9000 series E132615 entity
Predicate railwayLineUsedOn P848 FINISHED
Object Tobu Tojo Line E156031 NE FINISHED

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: Tobu Tojo Line | Statement: [Tobu 9000 series, railwayLineUsedOn, Tobu Tojo Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tobu Tojo Line
Context triple: [Tobu 9000 series, railwayLineUsedOn, Tobu Tojo Line]
  • A. Tobu Tojo Line chosen
    The Tobu Tojo Line is a major private railway line in the Greater Tokyo area operated by Tobu Railway, connecting Ikebukuro in central Tokyo with suburban Saitama Prefecture.
  • B. Tobu Nikko Line
    The Tobu Nikko Line is a private railway line in Japan operated by Tobu Railway that connects the Tokyo area with the historic and scenic Nikko region in Tochigi Prefecture.
  • C. Tobu Isesaki Line
    The Tobu Isesaki Line is a major private railway line in the Greater Tokyo area operated by Tobu Railway, connecting central Tokyo with Saitama and Gunma Prefectures.
  • D. Tōkyū Ōimachi Line
    The Tōkyū Ōimachi Line is a major commuter railway line in Tokyo operated by Tokyu Corporation, connecting central Tokyo areas such as Ōimachi and Futako-Tamagawa with surrounding residential districts.
  • E. Tōkyū Ikegami Line
    The Tōkyū Ikegami Line is a commuter railway line in Tokyo operated by Tokyu Corporation, connecting residential areas in Ōta Ward with central districts such as Shinagawa.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: railwayLineUsedOn
Context triple: [Tobu 9000 series, railwayLineUsedOn, Tobu Tojo Line]
  • A. railwayLine chosen
    Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
  • B. railwayLineUsage
    Indicates how a railway line is used, such as the type or purpose of traffic or operations it supports.
  • C. usesRailInfrastructureOf
    Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
  • D. railwayUse
    Indicates that something is used as, or functions in the capacity of, a railway or rail-based transportation facility.
  • E. railwayLineType
    Indicates the specific kind or classification of a railway line associated with an entity (e.g., main line, branch line, high-speed line).
  • F. None of above.

Provenance (4 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_69c0086c2364819091e9fe2f58fa2517 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c03fb7f8a88190a8bd45208bda4a03 completed March 22, 2026, 7:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69cc55bdf8c0819083b61987d70f21ca completed March 31, 2026, 11:16 p.m.
PD Predicate disambiguation batch_69c0335a635881909c58c1ef0f97f1e8 completed March 22, 2026, 6:22 p.m.
Created at: March 22, 2026, 4:02 p.m.