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EUROPKI
2009
Springer
13 years 6 months ago
Validity Models of Electronic Signatures and Their Enforcement in Practice
Abstract. An electronic signature is considered to be valid, if the signature is mathematically correct and if the signer's public key is classified as authentic. While the fi...
Harald Baier, Vangelis Karatsiolis
ICIP
2005
IEEE
14 years 10 months ago
Maximum a posteriori image restoration based on a new directional continuous edge image prior
In this paper we propose a new hierarchical non stationary image prior for image restoration. This prior captures the directional edges using a continuous model and regularizes acc...
John Chantas, Nikolas P. Galatsanos, Aristidis Lik...
PPDP
1999
Springer
14 years 1 months ago
Constraint Programming in OPL
OPL is a modeling language for mathematical programming and combinatorial optimization problems. It is the rst modeling language to combine high-level algebraic and set notations f...
Pascal Van Hentenryck, Laurent Michel, Laurent Per...
EDOC
2005
IEEE
14 years 2 months ago
Bridging the Gap between Data Warehouses and Business Processes: A Business Intelligence Perspective for Event-Driven Process Ch
Data Warehouse (DWH) information is accessed by business processes, and sometimes may also initiate changes of the control flow of business process instances. Today, there are no ...
Veronika Stefanov, Beate List
ICWE
2004
Springer
14 years 2 months ago
Using Web Services to Build Context-Aware Applications in Ubiquitous Computing
Ubiquitous and mobile web applications are typically very autonomous in nature, because they rely on additional information about the user’s context. In this paper we present a g...
Gerhard Austaller, Jussi Kangasharju, Max Müh...