In this paper, the authors concern with the merging of two active research domains: Knowledge Discovery in Databases (KDD) and Knowledge Engineering (KE) with a main interest in Ontology. In KDD, they need to unify the domain of web mining. To overcome this drawback, several methods have been proposed in ...Download Now
In this paper, the authors study a new watermarking method: Combined Reversible Watermarking/CDMA-DFT called RW/CDMA-DFT (Code Division Multiple Access-Discret Fourrier Transform) and they compare its result with other combined techniques. The first one is based on the RW and the CDMA in frequency domain DWT (Discrete Wavelet Transform) noted RW/CDMA-DWT, ...Download Now
Image watermarking can be defined as a technique that allows insertion of imperceptible and indelible digital data into an image. In addition to its initial application which is the copyright, watermarking can be used in other fields, particularly in the medical field in order to contribute to secure images shared ...Download Now
Today, SIP is a protocol par Excellence in the field of communication over Internet. But, the fact that it belongs to the application layer constitutes a weakness vis-?-vis the NAT traversal. This weakness is due to the way in which the server replies to the requests of clients on the ...Download Now
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