Triple

T16592552
Position Surface form Disambiguated ID Type / Status
Subject Namboku Line E403125 entity
Predicate connectsTo P845 FINISHED
Object Yamanote Line at Sugamo
Yamanote Line at Sugamo is a station on Tokyo’s busy circular Yamanote Line, serving the Sugamo district and providing an interchange with the Tokyo Metro Namboku Line.
 E1225523 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: Yamanote Line at Sugamo | Statement: [Namboku Line, connectsTo, Yamanote Line at Sugamo]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Yamanote Line at Sugamo
Context triple: [Namboku Line, connectsTo, Yamanote Line at Sugamo]
  • A. Yamanote Line at Meguro
    Yamanote Line at Meguro is a station on Tokyo’s busy circular Yamanote Line, serving as a key transfer point between the JR loop line and the Tokyo Metro Namboku Line in the Meguro district.
  • B. Yamanote Line at Komagome
    Yamanote Line at Komagome is a stop on Tokyo’s busy circular Yamanote Line, serving the Komagome district and providing convenient transfers to the Tokyo Metro Namboku Line.
  • 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. Tokyo Metro Ginza Line at Tameike-sanno
    Tokyo Metro Ginza Line at Tameike-sanno is a major Tokyo subway station on the historic Ginza Line, serving the central government and business district and offering convenient transfers to multiple other metro lines.
  • E. Toei Mita Line at Jimbocho Station
    The Toei Mita Line at Jimbocho Station is a Tokyo subway line stop in Chiyoda Ward that serves as a key transfer point between the Mita and Shinjuku lines in a major educational and publishing district.
  • 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: Yamanote Line at Sugamo
Triple: [Namboku Line, connectsTo, Yamanote Line at Sugamo]
Generated description
Yamanote Line at Sugamo is a station on Tokyo’s busy circular Yamanote Line, serving the Sugamo district and providing an interchange with the Tokyo Metro Namboku Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Yamanote Line at Sugamo
Target entity description: Yamanote Line at Sugamo is a station on Tokyo’s busy circular Yamanote Line, serving the Sugamo district and providing an interchange with the Tokyo Metro Namboku Line.
  • A. Yamanote Line at Meguro
    Yamanote Line at Meguro is a station on Tokyo’s busy circular Yamanote Line, serving as a key transfer point between the JR loop line and the Tokyo Metro Namboku Line in the Meguro district.
  • B. Yamanote Line at Komagome
    Yamanote Line at Komagome is a stop on Tokyo’s busy circular Yamanote Line, serving the Komagome district and providing convenient transfers to the Tokyo Metro Namboku Line.
  • 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. Tokyo Metro Ginza Line at Tameike-sanno
    Tokyo Metro Ginza Line at Tameike-sanno is a major Tokyo subway station on the historic Ginza Line, serving the central government and business district and offering convenient transfers to multiple other metro lines.
  • E. Toei Mita Line at Jimbocho Station
    The Toei Mita Line at Jimbocho Station is a Tokyo subway line stop in Chiyoda Ward that serves as a key transfer point between the Mita and Shinjuku lines in a major educational and publishing district.
  • 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_69d88387363c8190a97a0c942130de97 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e359a123e8819095cd73cd848a3345 completed April 18, 2026, 10:14 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0084b233ac8190b3f1ab82a47110d4 completed May 10, 2026, 1:14 p.m.
NEDg Description generation batch_6a0085c047f081908d7aa4b8ae5194b9 completed May 10, 2026, 1:18 p.m.
NED2 Entity disambiguation (via description) batch_6a00863e69548190bb8508428c139e05 completed May 10, 2026, 1:21 p.m.
Created at: April 10, 2026, 5:16 a.m.