Triple

T20734924
Position Surface form Disambiguated ID Type / Status
Subject Maihama Station E509673 entity
Predicate locatedOn P40 FINISHED
Object Keiyō Line between Shin-Kiba Station and Shin-Urayasu Station NE NERFINISHED

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: Keiyō Line between Shin-Kiba Station and Shin-Urayasu Station | Statement: [Maihama Station, locatedOn, Keiyō Line between Shin-Kiba Station and Shin-Urayasu Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Keiyō Line between Shin-Kiba Station and Shin-Urayasu Station
Context triple: [Maihama Station, locatedOn, Keiyō Line between Shin-Kiba Station and Shin-Urayasu Station]
  • A. Fukuchiyama Line urban section
    The Fukuchiyama Line urban section is a heavily used commuter rail corridor in the Osaka–Kobe metropolitan area of Japan, operated by JR West as part of its JR Takarazuka Line.
  • B. Narita Line (urban section)
    Narita Line (urban section) is a commuter rail line in the Greater Tokyo area operated by JR East, connecting central Chiba with Narita and serving as part of the region’s urban rail network.
  • C. Ueno–Omiya section
    The Ueno–Omiya section is a key suburban rail corridor in the Greater Tokyo area of Japan, linking central Tokyo’s Ueno Station with Omiya in Saitama and serving numerous commuter and intercity services.
  • D. Nippō Main Line
    The Nippō Main Line is a major railway line in Kyushu, Japan, operated by JR Kyushu and running along the eastern coast to connect key cities including Beppu, Oita, and Miyazaki.
  • E. JR Shonan–Shinjuku Line
    The JR Shonan–Shinjuku Line is a major Japan Railways commuter and intercity rail service that links the Shōnan area and Saitama via central Tokyo, providing through-running connections across multiple existing lines.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Keiyō Line between Shin-Kiba Station and Shin-Urayasu Station
Target entity description: The Keiyō Line between Shin-Kiba Station and Shin-Urayasu Station is a segment of JR East’s coastal railway in the Tokyo–Chiba area that serves major destinations including the Tokyo Disney Resort area.
  • A. Fukuchiyama Line urban section
    The Fukuchiyama Line urban section is a heavily used commuter rail corridor in the Osaka–Kobe metropolitan area of Japan, operated by JR West as part of its JR Takarazuka Line.
  • B. Narita Line (urban section)
    Narita Line (urban section) is a commuter rail line in the Greater Tokyo area operated by JR East, connecting central Chiba with Narita and serving as part of the region’s urban rail network.
  • C. Ueno–Omiya section
    The Ueno–Omiya section is a key suburban rail corridor in the Greater Tokyo area of Japan, linking central Tokyo’s Ueno Station with Omiya in Saitama and serving numerous commuter and intercity services.
  • D. Nippō Main Line
    The Nippō Main Line is a major railway line in Kyushu, Japan, operated by JR Kyushu and running along the eastern coast to connect key cities including Beppu, Oita, and Miyazaki.
  • E. JR Shonan–Shinjuku Line
    The JR Shonan–Shinjuku Line is a major Japan Railways commuter and intercity rail service that links the Shōnan area and Saitama via central Tokyo, providing through-running connections across multiple existing lines.
  • F. None of above. chosen

Provenance (2 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_69e0b4c589c08190834fb5d86d0efa2b completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c209348c819084a2f35f36378680 completed April 21, 2026, 12:17 a.m.
Created at: April 16, 2026, 12:31 p.m.