윤완철 교수

This research was supported by KOSEF (Korea Science and Engineering Foundation) and ARIEL, France.

In recent years, as the amount of data grows, personal information management has become essential as well as challenging for everyday lives. Tagging, an alternative or complement to classifying into tree-structured directories, allows users to classify a single information item in multiple categories. Due to its flexibility, tagging system has become popular and a number of studies have been conducted. Most of the previous research investigated the quality of tags with various tools such as que

With the rapid progress of information technology, the work environments that cognitive ergonomics (CE) should deal with are vastly changing. Among the most important ongoing changes is the emergence of large-scale logical systems. Logical systems are in nature software-based but now grow to be both large-scaled and dynamic, integrating a variety of physical facilities and social mechanisms. The domains include telecommunication and traffic, e-commerce, production control, knowledge management,