By Tianxiao Liu, Tuyêt Trâm Dang Ngoc, Dominique Laurent (auth.), Kevin Chen-Chuan Chang, Wei Wang, Lei Chen, Clarence A. Ellis, Ching-Hsien Hsu, Ah Chung Tsoi, Haixun Wang (eds.)

This e-book constitutes the refereed mixed complaints of 4 overseas workshops held together with the joint ninth Asia-Pacific net convention, APWeb 2007, and the eighth foreign convention on Web-Age details administration, WAIM 2007, held in Huang Shan, China in June 2007.

The 50 revised complete papers and 25 revised brief papers offered including the summary of 1 keynote speak have been conscientiously reviewed and chosen from a complete of 266 submissions. The papers of the 4 workshops are very particular and give a contribution to enlarging the spectrum of the extra normal subject matters taken care of within the APWeb 2007 and WAIM 2007 major meetings. issues addressed by way of the workshops are: Database administration and alertness over Networks (DBMAN 2007), rising tendencies of net applied sciences and functions (WebETrends 2007), method acutely aware info structures (PAIS 2007), and alertness and safety provider in internet and Pervasive Environments (ASWAN 2007).

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Extra info for Advances in Web and Network Technologies, and Information Management: APWeb/WAIM 2007 International Workshops: DBMAN 2007, WebETrends 2007, PAIS 2007 and ASWAN 2007, Huang Shan, China, June 16-18, 2007. Proceedings

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D. Schewe selection and projection should be processed first locally to reduce the size of data transported among different sites. In this case, the optimised allocation of document Lecturers is site 2 (see Figure 3) which leads to total query costs of 16,600,000 while the total query costs after the vertical fragmentation and allocation are 4,474,000, which is about one fourth of the costs before the fragmentation. If queries are evaluated in a way that whole documents are shifted to the site issuing the queries to execute the queries over there, then the improvement of the system performance after fragmentation is even more obvious.

The use of cluster analysis in physical database design. In: VLDB, pp. : Issues in distribution design of object-oriented databases. In: IWDOM, pp. : Distribution design in object oriented databases. : A heuristic approach to cost-efficient horizontal fragmen´ Falc˜ tation of XML documents. , ao e Cunha, J. ) CAiSE 2005. LNCS, vol. 3520, pp. 131–136. : A heuristic approach to vertical fragmentation incorporating query information. In: Baltic Conference on Databases and Information Systems, pp. 69–76 (2006) 24 S.

Our extensive simulation studies show that the new strategy has a good efficiency and feasibility. 1 Introduction Information on the Internet is in disorder and be redundant, which limited search efficiency seriously. The appearance of general search engines alleviates the state. However, it is not enough to solve the problems. One side, as the amount of web sites is growing rapidly, the number and size of stored documents is growing even faster and site contents are getting updated more and more often.

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