Data reduction makes datasets smaller but preserves classication structures of interest. It is an important area of research in data mining and databases. In this paper we present...
In this paper. we utilize intervals for unknown values in incompleterelational databases.We usetablesto representunknown relations. First, we define three partial tuple types in a...
0-stable 0-categorical linked quaternionic mappings are studied and are shown to correspond (in some sense) to special groups which are 0stable, 0-categorical, satisfy AP(3) and ha...
Geographic information systems use databases to map keywords to places. These databases are currently most often created by using a top-down approach based on the geographic defini...
The abundance of information provided by completely sequenced genomes de nes a starting point for new insights in the multilevel organization of organisms and their evolution. At ...