Changxuan Wan, YunSheng Liu (auth.), Xiaofeng Meng, Jianwen's Advances in Web-Age Information Management: Third PDF

By Changxuan Wan, YunSheng Liu (auth.), Xiaofeng Meng, Jianwen Su, Yujun Wang (eds.)

ISBN-10: 3540440453

ISBN-13: 9783540440451

This booklet constitutes the refereed lawsuits of the 3rd overseas convention on Web-Age details administration, WAIM 2002 held in Beijing, China in August 2002.
The forty papers provided including approach demonstrations have been rigorously reviewed and chosen from 169 submissions. The papers are prepared in topical sections on XML; spatio-temporal databases; facts mining and studying; XML and net; workflows and e-services; bio informatics, perspectives, and OLAP; clustering and high-dimensional facts; internet seek; optimization and updates; and transactions and multimedia.

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Extra info for Advances in Web-Age Information Management: Third International Conference, WAIM 2002 Beijing, China, August 11–13, 2002 Proceedings

Sample text

Example 1: When making a database over the soil types of different areas, there may be two kinds of indeterminacy according to [5]. Firstly, there may be uncertainty. This means that the soil type changes abruptly without any visible sign on the surface. Secondly, there may be vagueness. This means that there is no clear boundary, and the two types are mixed in the boundary area. Traditionally, vagueness have been modelled by using fuzzy sets, whereas uncertainty has been modelled using probability theory.

Thus, reduction of join processing cost becomes the major task of XML query processing. A common technique to reduce the join processing cost in relational databases is join index [17]. A join index is a set of the identifiers of two joined tuples. The effectiveness of join index, however, is very limited in handling long path expressions or regular path expressions. g. access support relation in [10], and join index hierarchy in [8]. Several path indices were proposed to handle semistructured data too.

Makinouchi, A Distributed and Parallel Object Database Server System for Windows NT, Proc. of Conf. on Software: Theory and Practice, Beijing, Aug. 2000. 6. J. McHugh, S. Abiteboul, R. Goldman, D. Quass, J. Widom. Lore: A Database Management System for Semistructured Data. SIGMOD Record 26(3), 1997: 5466. 7. T. Milo and D. Suciu. Index Structures for Path Expressions. Proc. of the Int’ Conf. on Database Theory, Jerusalem, Israel, 277-295, Jan. 1999. 8. Q. Li and B. Moon. Indexing and querying XML Data for regular path expressions.

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Advances in Web-Age Information Management: Third International Conference, WAIM 2002 Beijing, China, August 11–13, 2002 Proceedings by Changxuan Wan, YunSheng Liu (auth.), Xiaofeng Meng, Jianwen Su, Yujun Wang (eds.)


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