Triple

T6926079
Position Surface form Disambiguated ID Type / Status
Subject Seibu Ikebukuro Line E160312 entity
Predicate throughServicesTo P66391 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: [Seibu Ikebukuro Line, throughServicesTo, Tobu Tojo Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tobu Tojo Line
Context triple: [Seibu Ikebukuro Line, throughServicesTo, 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: throughServicesTo
Context triple: [Seibu Ikebukuro Line, throughServicesTo, Tobu Tojo Line]
  • A. throughServiceToLine chosen
    Indicates that a service operates through or along a specified line, establishing a through-service relationship between the service and the line.
  • B. throughServicesWithOtherOperators
    Indicates that an entity provides or participates in through-services that are jointly operated or coordinated with other operators.
  • C. hasThroughServiceWith
    Indicates that two transportation services are operationally linked so that a passenger or shipment can continue from one to the other without a separate booking or major interruption.
  • D. nonTerminusThroughService
    Indicates that a service passes through a location without that location being the starting point or final terminus of the service.
  • E. operatesServiceTo
    Indicates that one entity runs or provides a transportation or service route to another entity or location.
  • 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_69c6884d350081908d8a970e4d40ad78 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6da1aa9c48190b63a04be2ed9e266 completed March 27, 2026, 7:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69f08ec96fe88190b791e6f50f39173f completed April 28, 2026, 10:41 a.m.
PD Predicate disambiguation batch_69c6d7bb577c81908ee8b415b4281f3d completed March 27, 2026, 7:17 p.m.
Created at: March 27, 2026, 2:27 p.m.