Improvement of Filtering Algorithm for RFID Middleware Using KDB-tree Query Index

RFID middleware collects and filters RFID streaming data gathered continuously by numerous readers to process requests from applications. These requests are called continuous queries. The problem when using any of the existing query indexes on these continuous queries is that it takes a long time to build the index because it is necessary to insert a large number of segments into the index. KDB-tree is an index which can dispose multidimensional data. It is also a dynamic balance tree that has a good query performance and high spatial usage.

Provided by: Academy Publisher Topic: Mobility Date Added: Dec 2011 Format: PDF

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