Abstract. In this paper, we present a syntactic method for solving firstorder equational constraints over term algebras. The presented method exploits a novel notion of quasi-solve...
This paper presents a semantic foundation of temporal conceptual models used to design temporal information systems. We consider a modeling language able to express both timestampi...
Geographic Information Systems (GISs) have become an essential tool for efficient handling of our natural and artificial environment. The most important activities in a GIS are qu...
: ActiveCube is a bi-directional user interface that supports a person's creative work through constructing and interacting with 3-D virtual objects by using actual physical c...
: Our personal knowledge plays a vital role in our daily intellectual work. This paper proposes a method for acquiring and utilizing our personal knowledge in computer systems. We ...