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GVD
2004
111views Database» more  GVD 2004»
15 years 7 months ago
Detecting Logical Errors in SQL Queries
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...
Stefan Brass, Christian Goldberg
GVD
2004
142views Database» more  GVD 2004»
15 years 7 months ago
Semantic Errors in SQL Queries: A Quite Complete List
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...
Christian Goldberg, Stefan Brass
FORTE
1989
15 years 7 months ago
Compilation of LOTOS Abstract Data Types
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...
Hubert Garavel
NIPS
2003
15 years 7 months ago
When Does Non-Negative Matrix Factorization Give a Correct Decomposition into Parts?
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...
David L. Donoho, Victoria Stodden
173
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CODES
2007
IEEE
16 years 11 days ago
On the impact of manufacturing process variations on the lifetime of sensor networks
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...
Siddharth Garg, Diana Marculescu