Download Advanced Information Systems Engineering: 15th International by Marek Rusinkiewicz (auth.), Johann Eder, Michele Missikoff PDF

By Marek Rusinkiewicz (auth.), Johann Eder, Michele Missikoff (eds.)

This publication constitutes the refereed lawsuits of the fifteenth overseas convention on complex details platforms Engineering, CaiSE 2003, held in Klagenfurt, Austria in June 2003.

The forty five revised complete papers provided including three invited contributions have been rigorously reviewed and chosen from 219 submissions. The papers are prepared in topical sections on XML, tools and types for info structures, UML, web enterprise and social modeling, peer-to-peer structures, ontology-based tools, complicated layout of knowledge structures, wisdom, wisdom administration, internet prone, facts warehouses, digital agreements and workflow, necessities engineering, metrics and procedure engineering, and agent applied sciences and complex environments.

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Extra resources for Advanced Information Systems Engineering: 15th International Conference, CAiSE 2003 Klagenfurt/Velden, Austria, June 16–20, 2003 Proceedings

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Constraints for semistructured data and xml. ACM SIGMOD Record, 30(1):45–47, 2001. 8. P. Buneman, W. Fan, and S. Weinstein. Path constraints on structured and semistructured data. In Proc. ACM PODS Conference, pages 129–138, 1998. 9. W. Fan and J. Simeon. Integrity constraints for xml. In Proc. ACM PODS Conference, pages 23–34, 2000. 10. M. Levene and G. Loizu. Axiomatization of functional dependencies in incomplete relations. Theoretical Computer Science, 206:283–300, 1998. 11. M. Levene and G.

5) Path steps containing ‘|’s are transformed into the unions of corresponding indexes. For example, path step (S2 |S3 ) in “S1 /(S2 |S3 )” is transformed into P CX(S1 , S2 ) ∪ P CX(S1 , S3 ). The third transformation rule transforms the ‘//’ connectors into ADXs. However, to build this index for every element type pair with ancestor-descendent relationship will take too much time and space overhead. So in the case of no corresponding ADX available, the ‘//’ connectors must be rewritten into path expressions connected only with ‘/’.

As a result, PCExt(site,annotation,“/site/closed auctions/closed auction/annotation”) = {(&1,&24),(&1,&29)}. 2 Indexes Neither the DOM interface nor the XML data tree provides the extent semantic for XML data, so we introduce three structural indexes to support it, ancestordescendant index (ADX), parent-children index (PCX) and path index (PX). We also propose reference index (RX) to support operations on references. ADX is used to index Ext(Pname, Cname) where Pname is the ancestor of Cname. Actually, ADX indexes the ancestor-descendant relationship between specified elements.

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