Triple

T6203639
Position Surface form Disambiguated ID Type / Status
Subject Keio Corporation E138695 entity
Predicate ownsSubsidiary P9212 FINISHED
Object Keio Plaza Hotel
Keio Plaza Hotel is a major high-rise hotel in Tokyo’s Shinjuku district, known for its extensive conference facilities and role as one of Japan’s first modern international hotels.
 E576607 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: Keio Plaza Hotel | Statement: [Keio Corporation, ownsSubsidiary, Keio Plaza Hotel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Keio Plaza Hotel
Context triple: [Keio Corporation, ownsSubsidiary, Keio Plaza Hotel]
  • A. Yokohama Royal Park Hotel
    Yokohama Royal Park Hotel is a luxury high-rise hotel in Yokohama, Japan, known for its panoramic city and bay views from some of the country’s highest guest rooms.
  • B. Imperial Hotel, Tokyo
    Imperial Hotel, Tokyo is a historically significant luxury hotel in Japan best known for its iconic early 20th-century design by architect Frank Lloyd Wright and its remarkable resilience during the 1923 Great Kantō earthquake.
  • C. Kobe Portopia Hotel
    Kobe Portopia Hotel is a large, full-service luxury hotel and conference complex located on Port Island in Kobe, Japan.
  • D. Hotel New Hankyu
    Hotel New Hankyu is a well-known Japanese city hotel, recognized for its convenient urban location and service as part of the Hankyu Hanshin hotel group.
  • E. Osaka Marriott Miyako Hotel
    Osaka Marriott Miyako Hotel is a luxury high-rise hotel in Osaka known for its upscale accommodations and panoramic city views from one of Japan’s tallest buildings.
  • 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: Keio Plaza Hotel
Triple: [Keio Corporation, ownsSubsidiary, Keio Plaza Hotel]
Generated description
Keio Plaza Hotel is a major high-rise hotel in Tokyo’s Shinjuku district, known for its extensive conference facilities and role as one of Japan’s first modern international hotels.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Keio Plaza Hotel
Target entity description: Keio Plaza Hotel is a major high-rise hotel in Tokyo’s Shinjuku district, known for its extensive conference facilities and role as one of Japan’s first modern international hotels.
  • A. Yokohama Royal Park Hotel
    Yokohama Royal Park Hotel is a luxury high-rise hotel in Yokohama, Japan, known for its panoramic city and bay views from some of the country’s highest guest rooms.
  • B. Imperial Hotel, Tokyo
    Imperial Hotel, Tokyo is a historically significant luxury hotel in Japan best known for its iconic early 20th-century design by architect Frank Lloyd Wright and its remarkable resilience during the 1923 Great Kantō earthquake.
  • C. Kobe Portopia Hotel
    Kobe Portopia Hotel is a large, full-service luxury hotel and conference complex located on Port Island in Kobe, Japan.
  • D. Hotel New Hankyu
    Hotel New Hankyu is a well-known Japanese city hotel, recognized for its convenient urban location and service as part of the Hankyu Hanshin hotel group.
  • E. Osaka Marriott Miyako Hotel
    Osaka Marriott Miyako Hotel is a luxury high-rise hotel in Osaka known for its upscale accommodations and panoramic city views from one of Japan’s tallest buildings.
  • 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_69c008acbea48190991c6b834bb45d65 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c0626c23f481909d2b5b0a75c2ffff completed March 22, 2026, 9:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69c16f412d848190a8e78ad7822aa399 completed March 23, 2026, 4:50 p.m.
NEDg Description generation batch_69c1e3029cbc8190bed9449ec60412c0 completed March 24, 2026, 1:04 a.m.
NED2 Entity disambiguation (via description) batch_69c1e42a4c848190bc3a9273d5a6e211 completed March 24, 2026, 1:08 a.m.
Created at: March 22, 2026, 4:20 p.m.