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I am not sure if:
(a) Ontologies and semantic web will provide one more metric to a search
engine such as google, for checking the relevance of any webpage against a
(b) Ontologies and semantic web will fundamentally change the paradigm for
information retrieval, and the results from this will far outweigh the
current paradigms such as -- page rank, word importance in document,
closeness of words, and other google proprietary techniques..
I would like to mention if anyone thought of the relevance of IBM's CLEVER
project.. They used the link structure of the web to find communities on
the web.. basically the idea was: for every community, there exists some
directories which keeps track of main pages in this community. Their idea
was to find say 3 directories which all point to say all of 3 pages or
so.. Once they do that, they have identified the core of a community. Then
this core can be expanded to include "relevant" but "non-core" pages, and
similarly other relevant directories.. Once this is done, we have
identified an entire community.. Once a community is found, one can find
some keywords/semantics related to this community by extracting some
common keywords etc..
The whole thing was done automatically.. Semantic web is an improvement
over this, how much more of an improvement.. will people hard-code
ontologies (or) because of the expressiveness of RDF, for example, to
specify how multiple communities are related, we can get better results
even though everything is still automatic..??
I was just thinking aloud..