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Abstract:
We propose a live demonstration of MinervaLight, a {P2P}
Web search engine. MinervaLight combines the (previously
separate) focused crawler {BINGO!} (to harvest Web data),
the local search engine Top{X}, and our {P2P} Web search
system {MINERVA} under one common user interface. The
crawler unattendedly downloads and indexesWeb data, where
the scope of the focused crawl can be tailored to the thematic
interest profile of the user. The result of this process is a local
search index, which is used by Top{X} to evaluate keyword
queries.
In the background, MinervaLight continuously computes
compact statistical synopses that describe a user's local search
index and publishes that information to a conceptually global,
but physically fully decentralized directory. MinervaLight
offers a search interface where users can submit queries to
{MINERVA}. Sophisticated query routing strategies are used
to identify the most promising peers for each query based
on the statistical synopses in the directory. The query is
forwarded to those judiciously chosen peers and evaluated
based on their local indexes. These results are sent back
to the query initiator and merged into a single result list.
We give a live demonstration of the fully functional system
and invite all visitors to join the demo with their personal
notebook PCs.
