Triple

T10520809
Position Surface form Disambiguated ID Type / Status
Subject Nippori Station E248163 entity
Predicate servedByLine P1293 FINISHED
Object Keisei 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: Keisei Narita Sky Access Line | Statement: [Nippori Station, servedByLine, Keisei Narita Sky Access Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Keisei Narita Sky Access Line
Context triple: [Nippori Station, servedByLine, Keisei Narita Sky Access Line]
  • A. Narita International Airport rail access system
    The Narita International Airport rail access system is a network of railway lines and stations that provide direct train connections between Narita International Airport and the Tokyo metropolitan area.
  • B. 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.
  • C. 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.
  • D. 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.
  • 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_69d381c4aa948190942e1d803143fb0e completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d509dec25881909bc748640f26a416 completed April 7, 2026, 1:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69d99884c70481909fb45b7598f84c64 completed April 11, 2026, 12:40 a.m.
Created at: April 6, 2026, 12:28 p.m.