777 search results - page 125 / 156 » Optimization of Relational Preference Queries |
ICDE
2006
IEEE
14 years 1 months ago
2006
IEEE
XML structural joins, which evaluate the containment (ancestor-descendant) relationships between XML elements, are important operations of XML query processing. Estimating structu...
COMPLIFE
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. Most software tools in homology recognition on proteins answer only a few specific questions, often leaving not much room for the interpretation of the results. We devel...
ARTDB
1997
Springer
13 years 12 months ago
1997
Springer
This paper proposes a strategy for parallel composite event detection in Active database systems (DBS). Up to now, the detection is sequential and totally synchronized, and thus p...
ICWS
2007
IEEE
13 years 9 months ago
2007
IEEE
There is a critical need to design and develop tools tract away the fundamental complexity of XML based Web services specifications and toolkits, and provide an elegant, intuitive...
PVLDB
2008
13 years 7 months ago
2008
OLAP servers based on relational backends typically exploit materialized aggregate tables to improve response times of complex analytical queries. One of the key problems in this ...