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Paper Details

XML Dissemination Scheme for Mobile Computing Based on Lineage Encoding?

XML Dissemination Scheme for Mobile Computing Based on Lineage Encoding?

K. Anusree, Mrs. D. Usha, C. Shiny Jennifer

Journal Title:International Journal of Computer Science and Mobile Computing - IJCSMC
Abstract


In wireless environments, broadcasting is an efficient and scalable method to broadcast information to a massive number of clients. We propose an energy and latency efficient XML dissemination scheme for the wireless mobile computing environments. This paper presents a novel unit structure called G-node for streaming XML data in the wireless system. It applies the benefits of the structure indexing and attributes summarization that can integrate relevant XML elements into a group. It provides a path for selective access of their attribute values and text content. The G-node structure removes structural overheads of XML documents, and enables clients to avoid downloading of unwanted data during query processing. We also introduce a lightweight and effective novel encoding technique, called Lineage Encoding, to support evaluation of predicates and twig pattern queries over the wireless stream. The Lineage Encoding technique expresses the parent-child relationships among XML elements as a sequence of bit-strings, called Lineage Code(Lineage Code(V), Lineage Code(H)), and provides basic operators and functions for efficient twig pattern query processing at clients side.

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