Sciweavers

3269 search results - page 207 / 654
» Query Optimization for XML
Sort
View
ICDE
2007
IEEE
89views Database» more  ICDE 2007»
15 years 8 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...
APWEB
2007
Springer
15 years 10 months ago
Untyped XQuery Canonization
XQuery is a powerful language defined by the W3C to query XML documents. Its query functionalities and its expressiveness satisfy the major needs of both the database community an...
Nicolas Travers, Tuyet-Tram Dang-Ngoc, Tianxiao Li...
CAINE
2007
15 years 5 months ago
Wildcards in Math Search, Implementation Issues
Math search is a new area of research with many enabling technologies but also many challenges. Some of the enabling technologies include XML, XPath, XQuery, and MathML. Some of t...
Moody Ebrahem Altamimi, Abdou S. Youssef
ICDE
2000
IEEE
120views Database» more  ICDE 2000»
16 years 5 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
SIGMOD
2002
ACM
141views Database» more  SIGMOD 2002»
15 years 3 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 ...