Thursday, December 27, 2012
1
SYSTEM CONFIGURATION:-
HARDWARE
REQUIREMENTS:-
ü Processor -Pentium –III
SOFTWARE
REQUIREMENTS:-
IEEE java Project - BloomCast: Efficient and Effective Full-Text Retrieval in Unstructured P2P Networks
BloomCast:
Efficient and Effective Full-Text Retrieval in Unstructured P2P Networks
ABSTRACT:
Efficient and effective full-text
retrieval in unstructured peer-to-peer networks remains a challenge in the
research community. First, it is difficult, if not impossible, for unstructured
P2P systems to effectively locate items with guaranteed recall. Second,
existing schemes to improve search success rate often rely on replicating a
large number of item replicas across the wide area network, incurring a large amount
of communication and storage costs. In this paper, we propose BloomCast, an
efficient and effective full-text retrieval scheme, in unstructured P2P
networks. By leveraging a hybrid P2P protocol, BloomCast replicates the items uniformly
at random across the P2P networks, achieving a guaranteed recall at a
communication cost of Þ, where N is the
size of the network. Furthermore, by casting Bloom Filters instead of the raw
documents across the network, BloomCast significantly reduces the communication
and storage costs for replication. We demonstrate the power of BloomCast design
through both mathematical proof and comprehensive simulations based on the
query logs from a major commercial search engine and NIST TREC WT10G data collection.
Results show that BloomCast achieves an average query recall of 91 percent,
which outperforms the existing WP algorithm by 18 percent, while BloomCast
greatly reduces the search latency for query processing by 57 percent.
EXISTING
SYSTEM:
In the existing system there are
two major issues . First, it is difficult, if not impossible, for unstructured
P2P systems to effectively locate items with guaranteed recall. Second,
existing schemes to improve search success rate often rely on replicating a
large number of item replicas across the wide area network, incurring a large
amount of communication and storage costs.
DISADVATAGES
OF EXISTING SYSTEM:
PROPOSED
SYSTEM:
In
the proposed system, we propose
a novel strategy, called BloomCast , an efficient and effective full-text
retrieval scheme, in unstructured P2P networks.
ADVANTAGES
OF PROPOSED SYSTEM:
SYSTEM CONFIGURATION:-
HARDWARE
REQUIREMENTS:-
ü Processor -Pentium –III
ü Speed - 1.1 Ghz
ü RAM - 256 MB(min)
ü Hard
Disk - 20 GB
ü Floppy
Drive - 1.44 MB
ü Key
Board - Standard Windows Keyboard
ü Mouse - Two or Three Button Mouse
ü Monitor - SVGA
SOFTWARE
REQUIREMENTS:-
v
Operating System :
Windows95/98/2000/XP
v
Front End :
Java
REFERENCE:
Hanhua Chen, Member, Xucheng Luo,
Yunhao Liu, Tao Gu, Kaiji Chen, and Lionel M. Ni, “ BloomCast: Efficient and
Effective Full-Text Retrieval in Unstructured P2P Networks”, IEEE TRANSACTIONS ON PARALLEL AND
DISTRIBUTED SYSTEMS, VOL. 23, NO. 2, FEBRUARY 2012.
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