Triple

T13452656
Position Surface form Disambiguated ID Type / Status
Subject Meitetsu E320648 entity
Predicate hasBrand P1500 FINISHED
Object Meitetsu Bus
Meitetsu Bus is a Japanese bus company operating local and intercity routes, primarily serving the Nagoya and Chubu regions as part of the Meitetsu Group’s transportation network.
 E1041172 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: Meitetsu Bus | Statement: [Meitetsu, hasBrand, Meitetsu Bus]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Meitetsu Bus
Context triple: [Meitetsu, hasBrand, Meitetsu Bus]
  • A. Odakyu Bus
    Odakyu Bus is a Japanese bus company operating local and highway bus services, primarily in the Tokyo and Kanagawa areas, as part of the Odakyu Group’s transportation network.
  • B. Keihan Bus
    Keihan Bus is a Japanese bus company operating local and intercity routes, primarily serving the Kyoto–Osaka–Shiga region.
  • C. Toei Bus
    Toei Bus is a major public bus network serving Tokyo, Japan, as part of the city’s municipal transportation system.
  • D. Tokyu Bus
    Tokyu Bus is a Japanese bus operator providing local and intercity bus services primarily in the Tokyo and Kanagawa areas.
  • E. Kyoto City Bus
    Kyoto City Bus is the municipal bus system of Kyoto, Japan, providing extensive local public transportation throughout the city and its major attractions.
  • 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: Meitetsu Bus
Triple: [Meitetsu, hasBrand, Meitetsu Bus]
Generated description
Meitetsu Bus is a Japanese bus company operating local and intercity routes, primarily serving the Nagoya and Chubu regions as part of the Meitetsu Group’s transportation network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Meitetsu Bus
Target entity description: Meitetsu Bus is a Japanese bus company operating local and intercity routes, primarily serving the Nagoya and Chubu regions as part of the Meitetsu Group’s transportation network.
  • A. Odakyu Bus
    Odakyu Bus is a Japanese bus company operating local and highway bus services, primarily in the Tokyo and Kanagawa areas, as part of the Odakyu Group’s transportation network.
  • B. Keihan Bus
    Keihan Bus is a Japanese bus company operating local and intercity routes, primarily serving the Kyoto–Osaka–Shiga region.
  • C. Toei Bus
    Toei Bus is a major public bus network serving Tokyo, Japan, as part of the city’s municipal transportation system.
  • D. Tokyu Bus
    Tokyu Bus is a Japanese bus operator providing local and intercity bus services primarily in the Tokyo and Kanagawa areas.
  • E. Kyoto City Bus
    Kyoto City Bus is the municipal bus system of Kyoto, Japan, providing extensive local public transportation throughout the city and its major attractions.
  • 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_69d80761e6cc8190a90c844589998ecc completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dbaefae85481909e6a59797cbb25e7 completed April 12, 2026, 2:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69f7399c539c819080802b620da6fcfc completed May 3, 2026, 12:03 p.m.
NEDg Description generation batch_69f73dd98e88819098394122bac6bbc4 completed May 3, 2026, 12:21 p.m.
NED2 Entity disambiguation (via description) batch_69f73e4f2da88190924ea9a19418750f completed May 3, 2026, 12:23 p.m.
Created at: April 9, 2026, 9:41 p.m.