Triple

T12780147
Position Surface form Disambiguated ID Type / Status
Subject Chūō, Tokyo E305484 entity
Predicate hasRailHub P523 FINISHED
Object Tokyo Station area (Yaesu side)
Tokyo Station area (Yaesu side) is a major commercial and transportation district in central Tokyo known for its large bus terminal, high-rise office buildings, and direct access to the Shinkansen and other rail lines.
 E1007326 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: Tokyo Station area (Yaesu side) | Statement: [Chūō, Tokyo, hasRailHub, Tokyo Station area (Yaesu side)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tokyo Station area (Yaesu side)
Context triple: [Chūō, Tokyo, hasRailHub, Tokyo Station area (Yaesu side)]
  • A. Shinjuku Station east side area
    Shinjuku Station east side area is a bustling commercial and entertainment district in Tokyo known for its dense concentration of shops, restaurants, and nightlife spots directly accessible from the station’s east exits.
  • B. Yokohama Station area
    The Yokohama Station area is a major commercial and transportation hub in Yokohama, known for its extensive shopping complexes, office buildings, and one of Japan’s busiest railway stations.
  • C. Roppongi Station
    Roppongi Station is a major Tokyo subway station in the Roppongi district, serving as a key access point to the area’s nightlife, business centers, and cultural attractions.
  • D. Marunouchi side of Tokyo Station
    The Marunouchi side of Tokyo Station is the historic red-brick facade and main entrance area facing the Marunouchi business district, known for its classic architecture and major office and commercial complexes.
  • E. Yurakucho Station
    Yurakucho Station is a major railway hub in central Tokyo’s Chiyoda ward, serving multiple JR and subway lines and providing convenient access to the Ginza and Marunouchi districts.
  • 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: Tokyo Station area (Yaesu side)
Triple: [Chūō, Tokyo, hasRailHub, Tokyo Station area (Yaesu side)]
Generated description
Tokyo Station area (Yaesu side) is a major commercial and transportation district in central Tokyo known for its large bus terminal, high-rise office buildings, and direct access to the Shinkansen and other rail lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tokyo Station area (Yaesu side)
Target entity description: Tokyo Station area (Yaesu side) is a major commercial and transportation district in central Tokyo known for its large bus terminal, high-rise office buildings, and direct access to the Shinkansen and other rail lines.
  • A. Shinjuku Station east side area
    Shinjuku Station east side area is a bustling commercial and entertainment district in Tokyo known for its dense concentration of shops, restaurants, and nightlife spots directly accessible from the station’s east exits.
  • B. Yokohama Station area
    The Yokohama Station area is a major commercial and transportation hub in Yokohama, known for its extensive shopping complexes, office buildings, and one of Japan’s busiest railway stations.
  • C. Roppongi Station
    Roppongi Station is a major Tokyo subway station in the Roppongi district, serving as a key access point to the area’s nightlife, business centers, and cultural attractions.
  • D. Marunouchi side of Tokyo Station
    The Marunouchi side of Tokyo Station is the historic red-brick facade and main entrance area facing the Marunouchi business district, known for its classic architecture and major office and commercial complexes.
  • E. Yurakucho Station
    Yurakucho Station is a major railway hub in central Tokyo’s Chiyoda ward, serving multiple JR and subway lines and providing convenient access to the Ginza and Marunouchi districts.
  • 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_69d7bdf2b43c819098ae5aa68e61ea58 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96e5a5680819095dcd491486d23e7 completed April 10, 2026, 9:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69f69b925b3c81909f5e604c0f457645 completed May 3, 2026, 12:49 a.m.
NEDg Description generation batch_69f69c46a6208190a113aefbce1bbaac completed May 3, 2026, 12:52 a.m.
NED2 Entity disambiguation (via description) batch_69f69cead6d881909765424b5391a613 completed May 3, 2026, 12:55 a.m.
Created at: April 9, 2026, 5:29 p.m.