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Several techniques for dereferencing persistent pointers have been proposed to improve performance of object-oriented database systems. This paper describes performance experiments to compare several techniques of dereferencing persistent pointers including swizzling and nonswizzling approaches in a memory-mapped I/O environment, and discusses trade-offs among them. All techniques were implemented...
XML is a widely used as message serialization format in web-based open and heterogeneous systems because of its flexible data model. Internet-of-Things (IoT), or network with constrained nodes, is expected to be heterogeneous, and flexibility and expressiveness of XML are also good for IoT. However, RAM and bandwidth constraints on such nodes make handling of XML difficult. The authors are developing...
In this research, we focus on EXI, the standard binary representation of XML. EXI encode and decoder translate between EXI data stream and XML document. We propose a way to read/write certain forms of structured data directly from/to EXI stream. In our approach, designers of home appliances configure data of interest against the schema of EXI stream, and we generate EXI encoder and decoder designed...
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