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Decentralized coded caching is applicable in scenarios where the server does not have enough knowledge about the entire cache network to perform centralized coordination during prefetching, such as when the server is uninformed of the number of active users and their identities in a wireless or mobile environment. Most of known decentralized strategies use random uncoded prefetching followed by coded...
With the rapid development of cloud computing, data center's resource management has become a critical component in its business model. CPU, memory and network in a data center have many effective partitioning methods among the virtual machines that could offer high-efficiency, enhanced fairness and performance guarantee. However, in existing software based virtualization architecture (e.g., Xen),...
In recent years, many vehicle detection algorithms have been proposed. However, a lot of challenges still remain. Local Binary Pattern (LBP) is one of the most popular texture descriptors which has shown its superiority in face recognition and pedestrian detection. But the original LBP pattern is sensitive to noise especially in flat region where gray levels change rarely. To solve this problem, Local...
This paper proposed an optimized strategy of the incentive mechanism for participatory sensing network on the basis of Sense Util which is our previous research work. For optimizing, the strategy considered the possibility of that some users actually cannot participate the current sensing task, so in order to avoid unnecessary energy and bandwidth consumption on server end, users were classified into...
Kite codes, which were originally defined over the binary field, are generalized to arbitrary abelian groups in this paper. Kite codes are a special class of prefix rateless codes over groups, which can generate potentially infinite (or as many as required) random-like parity-check symbols. In this paper, we consider four kinds of Kite codes, which are binary Kite codes, Kite codes over one-dimensional...
Web service matchmaking is a key issue in service oriented computing. Following the distributed nature of service providers in the peer to peer network, we designed a distributed web service discovery architecture and proposed a matching method based on semantics. Firstly, we designed a service content model of the provided services for service providers. Then, we implemented a distributed content...
Study the fuzzy Volterra integral equations initial value problems. Characterization theorems for fuzzy Volterra integral equations are given and proofed. Fuzzy Volterra integral equations can be transferred to ODES by these characterization theorems. Then we give some methods to solve fuzzy Volterra integral equations. In the end, some examples are given to illustrate this theory.
This paper describes the synthesis of Fe3O4/Poly[3-(trimethylamlno)ethyl methacrylate iodine] (PTMAI) /CdTe bifunctional nano gene vector for targeting DNA delivery. In this approach, Poly[2-(dimethylamlno)ethyl methacrylate] (PDMA) was grafted on the Fe3O4 nanoparticles by surface-initiated transfer radical polymerization (ATRP). The ternary amine groups of PDMA can be alkylated by the iodomethane...
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