Abstract
Peer-to-peer databases are becoming more prevalent on the internet for sharing and distributing applications, documents, files, and other digital media. The problem associated with answering large-scale ad hoc analysis queries, aggregation queries, on these databases poses unique challenges. This paper presents an extensive evaluation of database query processing model in peer-to-peer networks using top- k query processing technique and implemented by Java,and MySql. Keywords : Peer-To-Peer Network; Database Query; Query Processing; Object-Oriented Systems
Highlights
The researches in the area of query processing in peer-to-peer networks have started to increase the efficiency of retrieving and exchanging information between peers and file sharing (Gupta and Abbadi, 2003)
An efficient range query processing scheme to support delay bounded single and multiple attribute range queries .The maximum delay is less than 2log N which is efficient but can be improved
The whole structure should again be modified. (Boyd et al, 2000) proposed a super peer search algorithm to discover the domains on the fly, which is required for the domain direct search
Summary
The researches in the area of query processing in peer-to-peer networks have started to increase the efficiency of retrieving and exchanging information between peers and file sharing (Gupta and Abbadi, 2003) They have developed a peer-topeer architecture for computing approximate answers for complex queries. The advantage of this process is that, it avoids to making semantic mapping, between heterogeneous data sources owned by super peers, each time the system decides to route query to other super peers It improves the robustness in queries routing mechanism and scalability in Peerto-Peer Network. A database query processing scheme is proposed to limit the search space of the given query by a domain based query routing mechanism which limits the search to related peers.
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