591 search results - page 58 / 119 » The complexity of XPath query evaluation |
SIGMOD
2006
ACM
14 years 8 months ago
2006
ACM
Data streaming systems are becoming essential for monitoring applications such as financial analysis and network intrusion detection. These systems often have to process many simi...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
SIGIR
2010
ACM
14 years 18 days ago
2010
ACM
Sponsored search is one of the major sources of revenue for search engines on the World Wide Web. It has been observed that while showing ads for every query maximizes shortterm r...
PPDP
2010
Springer
13 years 7 months ago
2010
Springer
This paperdescribes the use of a powerful graph query language for querying programs, and a novel combination of transformations for generating efficient implementations of the q...
EDBT
2002
ACM
14 years 8 months ago
2002
ACM
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...