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ICDE
2007
IEEE
89views Database» more  ICDE 2007»
15 years 5 months ago
A Flexible Query Graph Based Model for the Efficient Execution of Continuous Queries
In this paper, we propose a simple and flexible execution model that (i) supports a wide spectrum of alternative optimization and execution strategies and their mixtures, (ii) pro...
Yijian Bai, Hetal Thakkar, Haixun Wang, Carlo Zani...
ICDE
2000
IEEE
120views Database» more  ICDE 2000»
16 years 3 months ago
Query Planning with Limited Source Capabilities
In information-integration systems, sources may have diverse and limited query capabilities. In this paper we show that because sources have restrictions on retrieving their infor...
Chen Li, Edward Y. Chang
IDEAS
2003
IEEE
91views Database» more  IDEAS 2003»
15 years 7 months ago
Implementation Issues of a Deterministic Transformation System for Structured Document Query Optimization
As the popularity of XML keeps growing rapidly, XML compliant structured document management becomes an interesting and compelling research area. Query optimization for structured...
Dunren Che
TDM
2004
174views Database» more  TDM 2004»
15 years 3 months ago
Relational Approach to Logical Query Optimization of XPath
To be able to handle the ever growing volumes of XML documents, effective and efficient data management solutions are needed. Managing XML data in a relational DBMS has great pote...
Maurice van Keulen
SIGMOD
2002
ACM
141views Database» more  SIGMOD 2002»
15 years 1 months ago
Bringing Order to Query Optimization
A variety of developments combine to highlight the need for respecting order when manipulating relations. For example, new functionality is being added to SQL to support OLAP-styl...
Giedrius Slivinskas, Christian S. Jensen, Richard ...