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The increasing demand for secure interactions between network domains brings in new challenges to access control technologies. In this paper we design an access control framework which provides a multilevel mapping method between hierarchical access control structures for achieving multilevel security protection in cross-domain networks. Hierarchical access control structures ensure rigorous multilevel...
To meet the challenges of big data stream mobile computing, several low power methods are proposed on processor micro-architecture level to improve the energy efficiency in the process of communication, which includes: (1) A heterogeneous variable-length VLIW architecture with power saving mode is introduced to reduce data path power. (2) Concatenating operation is employed to forward intermediate...
In this paper, we present an automatic summarization approach for popular songs. The approach includes two stages. First, a rough summary of the song is extracted efficiently by the energy information and the songpsilas structure, and then the segment boundaries of the summary are detected. Different from most previous works, the summary has a more complete meaning and a varied length instead of a...
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