Triple

T2532392
Position Surface form Disambiguated ID Type / Status
Subject Kyobashi Station E56190 entity
Predicate servedBy P82 FINISHED
Object Keihan commuter services
Keihan commuter services are local and rapid train operations on the Keihan Electric Railway network in the Kansai region of Japan, primarily serving daily commuters between Osaka, Kyoto, and surrounding areas.
E278574 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: Keihan commuter services | Statement: [Kyobashi Station, servedBy, Keihan commuter services]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Keihan commuter services
Context triple: [Kyobashi Station, servedBy, Keihan commuter services]
  • A. Seibu Railway
    Seibu Railway is a major private railway operator in the Greater Tokyo area of Japan, running extensive commuter and interurban train services across Tokyo and Saitama.
  • B. JR Saikyo Line
    The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
  • C. Tobu Railway
    Tobu Railway is a major private railway company in Japan that operates extensive rail networks in the Greater Tokyo area and surrounding regions.
  • D. Tokyu Toyoko Line
    The Tokyu Toyoko Line is a major private railway line in the Tokyo–Yokohama area that connects central Tokyo with Yokohama and links to multiple subway and intercity rail services.
  • E. Tobu Skytree Line
    The Tobu Skytree Line is a major private railway line in the Tokyo area operated by Tobu Railway, serving central Tokyo and extending northward toward Saitama and Tochigi, including access to the Tokyo Skytree.
  • 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: Keihan commuter services
Triple: [Kyobashi Station, servedBy, Keihan commuter services]
Generated description
Keihan commuter services are local and rapid train operations on the Keihan Electric Railway network in the Kansai region of Japan, primarily serving daily commuters between Osaka, Kyoto, and surrounding areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Keihan commuter services
Target entity description: Keihan commuter services are local and rapid train operations on the Keihan Electric Railway network in the Kansai region of Japan, primarily serving daily commuters between Osaka, Kyoto, and surrounding areas.
  • A. Seibu Railway
    Seibu Railway is a major private railway operator in the Greater Tokyo area of Japan, running extensive commuter and interurban train services across Tokyo and Saitama.
  • B. JR Saikyo Line
    The JR Saikyo Line is a major commuter rail line in the Tokyo metropolitan area operated by JR East, connecting central Tokyo with Saitama Prefecture and serving key hubs such as Shibuya and Shinjuku.
  • C. Tobu Railway
    Tobu Railway is a major private railway company in Japan that operates extensive rail networks in the Greater Tokyo area and surrounding regions.
  • D. Keihan Electric Railway Co., Ltd. chosen
    Keihan Electric Railway Co., Ltd. is a major Japanese private railway operator serving the Osaka–Kyoto region, known for its extensive commuter rail network and related transportation and leisure businesses.
  • E. Tokyu Toyoko Line
    The Tokyu Toyoko Line is a major private railway line in the Tokyo–Yokohama area that connects central Tokyo with Yokohama and links to multiple subway and intercity rail services.
  • F. None of above.

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_69ab4a49b6508190bc467fbef4bac334 completed March 6, 2026, 9:42 p.m.
NER Named-entity recognition batch_69abd279cf108190b03fb6e0265f39d9 completed March 7, 2026, 7:23 a.m.
NED1 Entity disambiguation (via context triple) batch_69af655441b0819088b86498520ee3b4 completed March 10, 2026, 12:27 a.m.
NEDg Description generation batch_69af68b8b2488190b5d87852ca331e0e completed March 10, 2026, 12:41 a.m.
NED2 Entity disambiguation (via description) batch_69af691252908190ad3671569044dbc4 completed March 10, 2026, 12:42 a.m.
Created at: March 6, 2026, 9:47 p.m.