Triple

T17281421
Position Surface form Disambiguated ID Type / Status
Subject Higashiyama Line E419536 entity
Predicate hasConnection P8776 FINISHED
Object JR Central lines at Nagoya Station
JR Central lines at Nagoya Station are the network of Japan Railways Central-operated conventional and Shinkansen railway services that converge at Nagoya, one of Japan’s major rail hubs.
E1260221 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 Central lines at Nagoya Station | Statement: [Higashiyama Line, hasConnection, JR Central lines at Nagoya Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: JR Central lines at Nagoya Station
Context triple: [Higashiyama Line, hasConnection, JR Central lines at Nagoya Station]
  • A. JR Chūō Line at Kichijōji Station
    The JR Chūō Line at Kichijōji Station is a major commuter rail line in western Tokyo that provides rapid access between the popular Kichijōji area and central Tokyo hubs such as Shinjuku and Tokyo Station.
  • B. JR Central Tokaido Main Line at Maibara Station
    The JR Central Tokaido Main Line at Maibara Station is a major intercity railway route in Japan that serves Maibara as an important junction between high-speed, regional, and local rail services.
  • C. JR Yamanote Line at Takadanobaba Station
    The JR Yamanote Line at Takadanobaba Station is a major loop line stop in Tokyo that serves as a busy transfer point between central Tokyo’s circular rail route and the Seibu Shinjuku Line.
  • D. JR Lines at Kanda
    JR Lines at Kanda refers to the Japan Railways train services that stop at Kanda Station in Tokyo, a key commuter hub connecting multiple JR lines with the Tokyo Metro network.
  • E. JR Chuo Line at Shinjuku Station
    The JR Chuo Line at Shinjuku Station is a major commuter rail line platform within one of Tokyo’s busiest transport hubs, connecting central Tokyo with its western suburbs and beyond.
  • 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 Central lines at Nagoya Station
Triple: [Higashiyama Line, hasConnection, JR Central lines at Nagoya Station]
Generated description
JR Central lines at Nagoya Station are the network of Japan Railways Central-operated conventional and Shinkansen railway services that converge at Nagoya, one of Japan’s major rail hubs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: JR Central lines at Nagoya Station
Target entity description: JR Central lines at Nagoya Station are the network of Japan Railways Central-operated conventional and Shinkansen railway services that converge at Nagoya, one of Japan’s major rail hubs.
  • A. JR Chūō Line at Kichijōji Station
    The JR Chūō Line at Kichijōji Station is a major commuter rail line in western Tokyo that provides rapid access between the popular Kichijōji area and central Tokyo hubs such as Shinjuku and Tokyo Station.
  • B. JR Central Tokaido Main Line at Maibara Station
    The JR Central Tokaido Main Line at Maibara Station is a major intercity railway route in Japan that serves Maibara as an important junction between high-speed, regional, and local rail services.
  • C. JR Yamanote Line at Takadanobaba Station
    The JR Yamanote Line at Takadanobaba Station is a major loop line stop in Tokyo that serves as a busy transfer point between central Tokyo’s circular rail route and the Seibu Shinjuku Line.
  • D. JR Lines at Kanda
    JR Lines at Kanda refers to the Japan Railways train services that stop at Kanda Station in Tokyo, a key commuter hub connecting multiple JR lines with the Tokyo Metro network.
  • E. JR Chuo Line at Shinjuku Station
    The JR Chuo Line at Shinjuku Station is a major commuter rail line platform within one of Tokyo’s busiest transport hubs, connecting central Tokyo with its western suburbs and beyond.
  • 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_69d886da626481908a14ce7830329a35 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e4332a4c008190b44f4145d0e94a21 completed April 19, 2026, 1:43 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0179535ae08190ac0137d0f8741919 completed May 11, 2026, 6:38 a.m.
NEDg Description generation batch_6a0179e161808190b4d865e6e281489c completed May 11, 2026, 6:40 a.m.
NED2 Entity disambiguation (via description) batch_6a017aaf88a48190a85b9a3d7ff30b97 completed May 11, 2026, 6:43 a.m.
Created at: April 10, 2026, 5:40 a.m.