Triple

T11161488
Position Surface form Disambiguated ID Type / Status
Subject Tokyo Metro Marunouchi Line E264046 entity
Predicate branchTerminus P388 FINISHED
Object Nakano-sakaue Station
Nakano-sakaue Station is a Tokyo railway station in Nakano Ward that serves as an interchange between the Tokyo Metro Marunouchi Line and the Toei Ōedo Line.
 E1283011 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: Nakano-sakaue Station | Statement: [Tokyo Metro Marunouchi Line, branchTerminus, Nakano-sakaue Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nakano-sakaue Station
Context triple: [Tokyo Metro Marunouchi Line, branchTerminus, Nakano-sakaue Station]
  • A. Sakae Station
    Sakae Station is a major underground railway and subway hub in Nagoya, Japan, serving the busy Sakae commercial and entertainment district.
  • B. Shimura-Sakaue Station
    Shimura-Sakaue Station is a railway station in the Itabashi ward of Tokyo, Japan, serving local commuters on the Toei Mita Line.
  • C. Yoshinochō Station
    Yoshinochō Station is a railway station in Yokohama, Japan, serving local commuters and connecting the Minami Ward area to the wider rail network.
  • D. Kishinosato Station
    Kishinosato Station is a railway station in Osaka, Japan, served by the Osaka Metro Yotsubashi Line.
  • E. Takehara Station
    Takehara Station is a regional railway station serving the coastal city of Takehara in Hiroshima Prefecture, Japan.
  • 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: Nakano-sakaue Station
Triple: [Tokyo Metro Marunouchi Line, branchTerminus, Nakano-sakaue Station]
Generated description
Nakano-sakaue Station is a Tokyo railway station in Nakano Ward that serves as an interchange between the Tokyo Metro Marunouchi Line and the Toei Ōedo Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nakano-sakaue Station
Target entity description: Nakano-sakaue Station is a Tokyo railway station in Nakano Ward that serves as an interchange between the Tokyo Metro Marunouchi Line and the Toei Ōedo Line.
  • A. Sakae Station
    Sakae Station is a major underground railway and subway hub in Nagoya, Japan, serving the busy Sakae commercial and entertainment district.
  • B. Shimura-Sakaue Station
    Shimura-Sakaue Station is a railway station in the Itabashi ward of Tokyo, Japan, serving local commuters on the Toei Mita Line.
  • C. Yoshinochō Station
    Yoshinochō Station is a railway station in Yokohama, Japan, serving local commuters and connecting the Minami Ward area to the wider rail network.
  • D. Kishinosato Station
    Kishinosato Station is a railway station in Osaka, Japan, served by the Osaka Metro Yotsubashi Line.
  • E. Takehara Station
    Takehara Station is a regional railway station serving the coastal city of Takehara in Hiroshima Prefecture, Japan.
  • 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_69d6aa9ccddc8190868998c8b7beb060 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e8817a90819087820d5241c58851 completed April 9, 2026, 5:57 p.m.
NED1 Entity disambiguation (via context triple) batch_6a022308f26081909d9c77d8327fee8e completed May 11, 2026, 6:42 p.m.
NEDg Description generation batch_6a0227c9e3408190ad559cd97919235d completed May 11, 2026, 7:02 p.m.
NED2 Entity disambiguation (via description) batch_6a02282bb2748190ad51b83c240cc429 completed May 11, 2026, 7:04 p.m.
Created at: April 8, 2026, 9:29 p.m.