335 search results - page 6 / 67 » A sampling approach for XML query selectivity estimation |
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...
VLDB
2004
ACM
14 years 28 days ago
2004
ACM
Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from suc...
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
An ever increasing amount of valuable information is stored in Web databases, "hidden" behind search interfaces. To save the user's effort in manually exploring eac...
DEXA
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. In relational database management systems indexes are used to accelerate specific queries. The selection of indexes is an important task when tuning a database which is ...
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
We present an adaptive distributed query-sampling framework that is quality-conscious for extracting high-quality text database samples. The framework divides the query-based samp...