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Emerald Group Publishing Limited
Copyright © 2008, Emerald Group Publishing Limited
Article Type: Editorial From: International Journal of Web Information Systems, Volume 4, Issue 3
Starting from this issue, we are having a “Tutorial/survey” department which features survey or tutorial papers on the latest issue of web information systems contributed by well-known experts in the respective areas. The inaugural survey paper included in this issue is entitled “A survey on web modeling approaches for ubiquitous web applications” written by a team of researchers (Schwinger et al.). This paper thoroughly and extensively discusses web modelling especially for ubiquitous web applications. Ubiquitous web applications are a new type of web applications which are accessed in various contexts by users with various interests, at anytime from anyplace around the globe. It combines the concepts of ubiquitous computing and web technology. Building such a complex system requires a methodologically sound engineering approach, and this paper describes some of the most known approaches.
The next two papers focus on XML technologies. The first one entitled “Element classification based transformation of XML queries” by Geng and Dobbie (New Zealand) has been extended from their original paper presented at the 9th International Conference on Information Integration and Web-based Applications and Services (iiWAS2007), held in Jakarta, in 3-5 December 2007 (www.iiwas.org/conferences/iiwas2007/). Their paper has been awarded as one of the best paper awards at the conference. The iiWAS conference series is one of the leading conference series in the area of web technology. The next iiWAS conference (iiWAS2008) will celebrate its tenth anniversary at the Johannes Kepler University Linz, Austria, in November 2008. The details of this upcoming event can be found at: www.iiwas.org/conferences/iiwas2008/. The second XML paper included in this issue is entitled “Efficiently answering personalized queries on XML data” by Penzo (Italy). It introduces the notion of personalized queries, and how they can be processed efficiently on XML data using indexing.
The last two papers in this issue are application papers on various aspects of web information systems. The first one is entitled “Implementation of a JXTA-based P2P e-learning system and its performance evaluation” by Matsuo et al. (Japan). The paper describes an e-learning P2P system. The last paper is entitled “Semantic interoperability in electronic auctions” by Puustjärvi (Finland), which describes the use of ontology and various messaging systems (XML-based messaging and RDF-based messaging) in electronic auctions.