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Toyama Lab
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A lab studying language and knowledge information processing to support the translation and management of laws and regulations.

AboutAbout the lab
Supporting people who work with laws and regulations through language and knowledge processing.
The Toyama Lab, in the Systems Intelligence Informatics Division, uses knowledge information processing and natural language processing techniques to study information systems that support people.
As a specific application area, the lab works on information processing for the translation and management of laws and regulations.
The lab researches and develops systems that support people by combining the logical structure and meaning of language with the experiential knowledge held by experts.
Key terms
- Natural language processing
- Technology for handling the languages people use, such as Japanese and English, with computers
- Legislative drafting work (hosei shitsumu)
- Work involved in creating and managing legal documents, such as drafting, amending, and repealing laws and regulations
- Bilingual dictionary
- A dictionary that lists words and phrases in one language alongside their corresponding translations in another language
ResearchResearch themes
Aiming to realize advanced information systems that use knowledge information and linguistic information, the lab studies knowledge processing, language processing, and applications that combine the two. The specific application area is the translation and management of laws and regulations.
*Illustrative imageSupporting the translation of laws and regulations
The lab researches and develops methods for automatically extracting candidate translation terms from parallel translations of laws and regulations, as well as a system that supports the construction of bilingual dictionaries. It also works on methods for checking translation quality based on the dictionary.
*Illustrative imageSupporting legislative drafting work
The lab represents the structure of laws and regulations, such as articles and paragraphs, in XML and builds a structured legal database. It also studies a mechanism that analyzes the sentences of amending laws to automatically create new laws and regulations, and methods for version management accompanying amendments.
MembersFaculty
- ProfessorKatsuhiko Toyama
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Ghalib Law Library Books on the shelve” Iliaswiki23 / CC BY-SA 4.0 (cropped)
- Supporting the translation of laws and regulations: “Kenkyusha’s New Japanese-English Dictionary 5th Edition” Nikos Kitsakis / CC BY-SA 3.0 (cropped)
- Supporting legislative drafting work: “Diet of Japan Kokkai 2009” Wiiii / CC BY-SA 3.0 (cropped)
- Related lab (Sasano Lab): “QWERTY keyboard” MichaelMaggs / CC BY-SA 3.0 (cropped)
- Related lab (Ishikawa Lab (Database Systems Group)): “Cabinet Network Rear Close” Robert.Harker / CC BY-SA 3.0 (cropped)
- Related lab (Kudo Lab): “Central Projection Idealised Camera Model” Olaf Peters (OlafTheScientist) / CC BY-SA 4.0 (cropped)
- Related lab (Zettsu Lab): “Man with smartphone and laptop (Unsplash)” Alejandro Escamilla alejandroescamilla / CC0 (cropped)
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