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Distributed Evaluation of Web Source Quality
Řimnáč, Martin ; Špánek, Roman
The paper descries an approach using a reputation system to evaluate a quality of data provided by data sources on the Internet. The approach is designed to be fully distributed and experiments show that such approach can be used to simplify user decision about which source is more reliable.
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Proposal of Portal for Sharing RDF Remarks
Řimnáč, Martin
The semantic web vision is mostly realized by describing the universum by ontologies. Ontologies precisely define objects as well as their data structure and hierarchy. Such approach is suitable for machines, but not for common users. The proposal tries to find a compromise keeping data to be automatically processed and data intuitive management by end users in a form of a portal based on describing object by annotated remarks.
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Ranking Data Sources by Reputation System
Řimnáč, Martin ; Špánek, Roman
The paper proposes a criterion enabling analysis of novelty of data provided by web sources. Such a criterion may help an end user to find an actual web source, always presenting high quality data. Alternatively, the criterion can be used as a component allowing a reputation system to manage meta-data about web sources. The source reputation has a significant role in source quality evaluation as well as in solving inconsistencies caused by integration of several web sources. The proposed criterion has been experimentally verified on real data presenting actual states of a tennis game.
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Matematický model podzemního úložiště jaderných odpadů
Kohut, Roman
The paper concerns the mathematical modelling of thermo-mechanical processes in nuclear waste repositories. The aim of the contribution is to show the experience with the computing of a large practical problem concerning the assessment of the influence of the distance between the deposition places to the thermo-elastic response of the rock massif.
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