Triple

T7656287
Position Surface form Disambiguated ID Type / Status
Subject Tobu Skytree Line E173391 entity
Predicate connectsWith P37 FINISHED
Object JR Joban Line (via Kita-Senju)
The JR Joban Line (via Kita-Senju) is a major commuter rail corridor in the Tokyo metropolitan area that provides through-services between central Tokyo and the Joban region of Ibaraki and beyond.
 E679104 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: JR Joban Line (via Kita-Senju) | Statement: [Tobu Skytree Line, connectsWith, JR Joban Line (via Kita-Senju)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: JR Joban Line (via Kita-Senju)
Context triple: [Tobu Skytree Line, connectsWith, JR Joban Line (via Kita-Senju)]
  • A. Hibiya Line
    The Hibiya Line is a major Tokyo Metro subway line in Tokyo, Japan, connecting key central districts and serving as an important commuter and transfer route.
  • B. Namboku Line
    The Namboku Line is a Tokyo Metro subway line running north–south through central Tokyo, connecting residential districts with major business and transit hubs.
  • C. Seishin-Yamate Line
    The Seishin-Yamate Line is a major Kobe Municipal Subway line in Kobe, Japan, connecting central Kobe with its northern and western suburban areas.
  • D. Tanimachi Line
    The Tanimachi Line is a major rapid transit line in Osaka, Japan, running north–south through the city as part of the Osaka Metro network.
  • E. Yotsubashi Line
    The Yotsubashi Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and serving key north–south corridors through the city.
  • 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: JR Joban Line (via Kita-Senju)
Triple: [Tobu Skytree Line, connectsWith, JR Joban Line (via Kita-Senju)]
Generated description
The JR Joban Line (via Kita-Senju) is a major commuter rail corridor in the Tokyo metropolitan area that provides through-services between central Tokyo and the Joban region of Ibaraki and beyond.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: JR Joban Line (via Kita-Senju)
Target entity description: The JR Joban Line (via Kita-Senju) is a major commuter rail corridor in the Tokyo metropolitan area that provides through-services between central Tokyo and the Joban region of Ibaraki and beyond.
  • A. Hibiya Line
    The Hibiya Line is a major Tokyo Metro subway line in Tokyo, Japan, connecting key central districts and serving as an important commuter and transfer route.
  • B. Namboku Line
    The Namboku Line is a Tokyo Metro subway line running north–south through central Tokyo, connecting residential districts with major business and transit hubs.
  • C. Seishin-Yamate Line
    The Seishin-Yamate Line is a major Kobe Municipal Subway line in Kobe, Japan, connecting central Kobe with its northern and western suburban areas.
  • D. Tanimachi Line
    The Tanimachi Line is a major rapid transit line in Osaka, Japan, running north–south through the city as part of the Osaka Metro network.
  • E. Yotsubashi Line
    The Yotsubashi Line is a rapid transit line in Osaka, Japan, forming part of the Osaka Metro network and serving key north–south corridors through the city.
  • 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_69c69955517c819085bc715b96d304d2 completed March 27, 2026, 2:51 p.m.
NER Named-entity recognition batch_69c7018fcbb48190a479f2effd939a8e completed March 27, 2026, 10:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69c89b05846c8190b49540aeae43dd9a completed March 29, 2026, 3:22 a.m.
NEDg Description generation batch_69c89baadac081909921bb6215e79319 completed March 29, 2026, 3:25 a.m.
NED2 Entity disambiguation (via description) batch_69c89c698f2c8190b5d2717835bd1d82 completed March 29, 2026, 3:28 a.m.
Created at: March 27, 2026, 3:59 p.m.