In the course of acquiring knowledge about layouts and maps spatial information can undergo considerable changes and distortions, which systematically affect knowledge-based judgme...
Modern science is collecting massive amounts of data from sensors, instruments, and through computer simulation. It is widely believed that analysis of this data will hold the key ...
We investigate the semantics for Knowledge Query Manipulation Language KQML and we propose a semantic framework for the language. KQML is a language and a protocol to support comm...
Logic and databases have gone a long way together since the advent of relational databases. Already the rst basic query languages for relational databases beside relational algebra...
Abstract: While the problem of incompletedata in databases has been extensively studied, a relatively unexplored form of uncertainty in databases, called inaccurate data, demands d...