Efficient Filtering Algorithms for Location- Aware Publish/subscribe
Journal: International Journal for Scientific Research and Development | IJSRD (Vol.3, No. 10)Publication Date: 2016-01-01
Authors : Pooja Prashant vinchu; Dnyanda Pandharinath Bhosale; Pallavi Bharat Dongare; Anjali Sanjivanrao More;
Page : 137-139
Keywords : LBS; Spatial-Context; MBR Filter; Token Filter; Ranking Query; R t-Tree;
Abstract
Location-based services have been mostly used in many systems. preceding systems uses a pull model or user-initiated model, where a user arrival a query to a server which gives response with location-aware answers. To offer outcomes to users with fast responses, a push model or server-initiated model is flattering an important computing model in the next-generation location-based services. In the push model, subscribers arrive spatio-textual subscriptions to fastening their curiosities, and publishers send spatio-textual messages. It is used for a high-performance location-aware publish/subscribe system to send publishers� messages to valid subscribers. In this paper, we find the exploration happenstances that start in manipulative a location-aware publish/subscribe system. We recommend an R-tree based index by merging textual descriptions into R-tree nodes. We design efficient filtering algorithms and effective pruning techniques to accomplish high performance. This method can support likewise conjunctive queries and ranking queries.
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Last modified: 2016-01-06 21:15:18