Emerging peer-to-peer services such as Freenet, Gnutella, Kazaa, and Napster provide an easy and efficient way to share resources and information. However, misuse or unfair exploit...
Hoh Peter In, Konstantinos A. Meintanis, Ming Zhan...
This paper proposes a cryptographic mechanism for metering the duration and/or the number of instances of running a data process. This mechanism has the following property: knowing...
— Because of limited resources at sensor nodes, sensor networks typically adopt symmetric-key algorithms to provide security functions such as protecting communications between n...
This paper describes the application of techniques derived from text retrieval research to the content-based querying of image databases. Specically, the use of inverted les, fre...
Module-1 :Computation of gradient directions. Reconstruction of a set of imperfect contour curves which is extracted :Assignment of discreteheight to contourcurves. from a topograp...