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The paper presents a publish/subscribe middleware that intends to address the scalability issue of application servers hosting genome sequence similarity detection services. We give an effective annotation mechanism for distributed data and a scheduling algorithm to balance the data replication and query processing performance.
In DHT-based P2P systems, replication-based content distribution and load balancing strategies consists of such decisions as which files should be replicated, how many replicas should be created and where to replicate them in order increase the system performance in the presence of non-uniform data and access distribution. There are many works on replica placement policies; however, the impact of...
The paper discusses the access-skew problem in a data indexed DHT network. The difference in popularity of data indexes is likely to create access hotspots that overwhelm the host node. The capability of relieving heavily loaded nodes is essential to the scalability of an overlay network. In this paper, we propose an effective content distribution method to relieve hotspots in a self-organizing manner...
Most of bioinformatics data distributed on the Internet is organized in an unstructured manner, which makes it hard to construct applications that need to integrate them. In this paper, we proposed an XML schema based data indexing mechanism to integrate sequence databases stored in a DHT overlay network. The construction of large-scale distributed applications therefore can be greatly simplified...
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