Triple

T8529513
Position Surface form Disambiguated ID Type / Status
Subject Narita Express E201905 entity
Predicate usesLine P1293 FINISHED
Object Yamanote Line corridor E23567 NE FINISHED

How this triple was built (2 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: Yamanote Line corridor | Statement: [Narita Express, usesLine, Yamanote Line corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Yamanote Line corridor
Context triple: [Narita Express, usesLine, Yamanote Line corridor]
  • A. Chūō-Sōbu Line
    The Chūō-Sōbu Line is a busy commuter rail line in Tokyo and Chiba, Japan, running local services that connect central Tokyo with its western suburbs and eastern neighboring prefecture.
  • B. Chuo Line
    The Chuo Line is a major rapid transit line in the Osaka Metro system that runs east–west through central Osaka, connecting key commercial and residential districts.
  • C. Tozai Line
    The Tozai Line is a major Tokyo Metro subway line that runs east–west across Tokyo, connecting central business districts with suburban residential areas.
  • D. JR Yamanote Line chosen
    The JR Yamanote Line is a busy circular railway loop in central Tokyo that connects many of the city’s major urban hubs and transit interchanges.
  • E. Tōzai Line
    The Tōzai Line is an east–west rapid transit line forming part of the Kyoto Municipal Subway system in Kyoto, Japan.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ca83228b24819085d22e7dc99f5d94 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cbe67409f08190b20d13d26e9a362c completed March 31, 2026, 3:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69ce6d5e5b58819095c1c915dfe27b52 completed April 2, 2026, 1:21 p.m.
Created at: March 30, 2026, 6:17 p.m.