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Web Disinformation Detection - Case Study - Novicok in Czechia
Řimnáč, Martin
The paper presents a case study of the propaganda usage on a real cause of double agent Sergei Skripal. The formal model describing statements published in web articles is announced and particular interesting aspects of used disinformation are provided together with the reasons, why the disinformation is published. The paper is aimed at the presentation of the data collection to have been created and provides a brief discussion on the used propaganda techniques.
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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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