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Semantic web
Dědek, J. ; Eckhardt, Alan ; Galamboš, L. ; Vojtáš, Peter
The paper is an overview of possibilities of sematic web, its potential, problems and possible solutions. It cover some aspects - how to obtain structured data, how to quickly process web pages and how to design a simple agent that will make use of such possibilities of semantic web.
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User Preferences for Searching in Web Sources
Eckhardt, Alan ; Vojtáš, Peter
Main topic of this paper are user preferences in sematic web environment. We describe a model for querying with user preferences upon RDF data and for ordering of the answer by user aggregation function. Our model has a theoretical base in modification of fuzzy description logic, which is embedable into two-value description logic and extends OWL. We desceribes also experiments, which were done using framework for flexible querying Tokaf. We extended standard algorithms for searching k bet answers, using new heuristics. These heuristics were also tested
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