The ontology development process is typically led by single or small groups of experts, with users mostly playing a passive role. Such an elitist approach in building ontologies h...
This paper describes a vector space equalization scheme for a concept-based collaborative information retrieval system; evaluation results are given. The authors previously propos...
This paper presents an analysis of the correlation of annotated information unit (textual) tags and geographical identification metadata geotags. Despite the increased usage of ge...
Abstract. In this paper, we present a new approach to web search personalization based on user collaboration and sharing of information about web documents. The proposed personaliz...
SpaceTag is an object system on which each object called SpaceTag can be accessed only from limited locations and limited time period. Its applications include entertainment syste...
Hiroyuki Tarumi, Ken Morishita, Megumi Nakao, Yahi...