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Browsing by Subject "semantic wikis"

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  • thumbnail.journal.alt
    Item type:Article, Access status: Open Access ,
    A conceptual model for web knowledge acquisition system with GIS component
    (Wydawnictwa AGH, 2009) Ligęza, Antoni; Ernst, Sebastian; Nalepa, Grzegorz Jacek; Szpyrka, Marcin
    Building efficient tools for supporting Knowledge Acquisition and Knowledge Management is a challenge and hot research topic with potentially infinite numbers of applications. In modern computer science, the web technologies open a completely new chances for massive, distributed knowledge acquisition. Examples of such social phenomena as Wikipedia constitute a working proof of high potentials incorporated in the synergy of human and web interaction. This paper discusses certain issues concerning the conceptual model for a distributed knowledge acquisition system gathering and organizing knowledge on threats of various nature and aimed at improving safety of citizens in urban environments. The system for registering citizen-provided information is a part of the INDECT FP7 Project. Contemporary tools and techniques to be applied, including GIS technologies and Semantic Wikis are presented in brief and future problems to be solved are identified.
  • thumbnail.journal.alt
    Item type:Article, Access status: Open Access ,
    Analysis of selected knowledge representation methods in semantic wikis
    (Wydawnictwa AGH, 2009) Nalepa, Grzegorz Jacek
    Wiki systems are a popular class of web application, providing distributed content authoring with simplified markup and full versioning. Semantic wikis are an important extension of classic wikis. They introduce metadata annotations allowing for semantics representation. Moreover, problem solving knowledge in the form of queries can be introduced, thus allowing for advanced search capabilities. The paper introduces a comprehensive overview of knowledge representation solutions found in the current implementation of the wiki. In the paper a discussion of knowledge quality assurance in such systems, e.g. basic criteria for knowledge evaluation in semantic wikis is also given. The technology is analyzed in the context of the EU FP7 INDECT Project, where a collaborative web environment is to be built.