Shigeo Sugimoto

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For s o l v i n g search problems i n A I f i e l d , m u l t i p r o c e s s d e s c r i p t i o n i s more e legant than the b a c k t r a c k i n g / c o r o u t i n e d e s c r i p t i o n , f rom t h e s t a n d p o i n t o f f l e x i b l e s e a r c h , h igh m o d u l a r i t y and s imp le program s t r u c t u r e . We propose the language s p e c(More)
This paper presents an experimental study of the automatic correction of broken (dead) Web links focusing, in particular, on links broken by the relocation ofWeb pages. Our first contribution is that we developed an algorithm that incorporates a comprehensive set of heuristics, some of which are novel, in a single unified framework. The second contribution(More)
This paper describes a multilingual metadata schema registry which has been developed at the University of Library and Information Science in Tsukuba, Japan. The registry currently has reference translations of Dublin Core Metadata Element Set written in 22 languages, DC Qualifiers and the DCMI Type Vocabulary written in English and Japanese, along with(More)
Enterprises are focusing more and more on knowledge issues for global product development. This paper describes knowledge evolution processes in product development activities and proposes a knowledge evaluation method in product lifecycle design. The paper also theoretically analyzes the evaluation model and illustrates how knowledge values can be assessed(More)
Wrapping of Web sources is known to be one of the key tasks in information integration problems. This paper proposes Wraplet, a wrapping language for extracting structured data from Web contents written in HTML. Unlike existing solutions, Wraplet is designed as a lightweight language in which users can write scripts for wrapping easily with text editors.(More)
PageChaser is a system that monitors links between Web pages and searches for the new locations of moved Web pages when it finds broken links. The problem of searching for moved pages is different from typical information retrieval problems. First, it is impossible to identify the final destination until the page is actually moved, so the index-server(More)