Triple

T10169878
Position Surface form Disambiguated ID Type / Status
Subject Keisei Skyliner E235302 entity
Predicate usesLine P1293 FINISHED
Object Narita Sky Access Line E871070 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: Narita Sky Access Line | Statement: [Keisei Skyliner, usesLine, Narita Sky Access Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Narita Sky Access Line
Context triple: [Keisei Skyliner, usesLine, Narita Sky Access Line]
  • A. Keikyū Airport Line
    The Keikyū Airport Line is a railway line in the Tokyo area that provides direct train access between central Tokyo and Haneda Airport.
  • B. Narita Airport Line (Keisei) chosen
    The Narita Airport Line (Keisei) is a Japanese railway line operated by Keisei Electric Railway that provides rapid rail access between central Tokyo and Narita International Airport.
  • C. Narita Line
    The Narita Line is a railway line in Japan operated by JR East that connects Chiba Prefecture with Narita and its surrounding areas, serving both local commuters and access to Narita International Airport via connecting services.
  • D. Yamaguchi Ube–Tokyo Haneda
    Yamaguchi Ube–Tokyo Haneda is a domestic air route in Japan connecting Yamaguchi Ube Airport in Yamaguchi Prefecture with Tokyo’s Haneda Airport.
  • E. Narita Airport Terminal 2·3 Station
    Narita Airport Terminal 2·3 Station is a railway station in Narita, Chiba Prefecture, Japan, serving passengers traveling to and from Terminals 2 and 3 of Narita International Airport.
  • 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_69ca84ceafd0819085828600e11bed6b completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cdec9ba56481908b5265aea8ea8cbe completed April 2, 2026, 4:12 a.m.
NED1 Entity disambiguation (via context triple) batch_69d98811fd3881909369e0f00f2a8267 completed April 10, 2026, 11:30 p.m.
Created at: March 30, 2026, 9:10 p.m.