Abstract. Checking the consistency of query conditions is an old problem, and there are already many proposed solutions. Since the problem is in general undecidable, there is not a...
We investigate classes of SQL queries which are syntactically correct, but certainly not intended, no matter for which task the query was written. For instance, queries that are c...
ion of LOTOS Abstract Data Types Hubert GARAVEL∗ Laboratoire de G´enie Informatique Institut I.M.A.G. GRENOBLE FRANCE This article describes an experiment with the compilation o...
We interpret non-negative matrix factorization geometrically, as the problem of finding a simplicial cone which contains a cloud of data points and which is contained in the posi...
As an emerging technology, sensor networks provide the ability to accurately monitor the characteristics of wide geographical areas over long periods of time. The lifetime of indi...