19 search results - page 3 / 4 » Optimal Top-K Query Evaluation for Weighted Business Process... |
MTA
2007
13 years 5 months ago
2007
Complex multimedia queries, aiming to retrieve from large databases those objects that best match the query specification, are usually processed by splitting them into a set of m ...
VLDB
2002
ACM
13 years 5 months ago
2002
ACM
Star queries are the most prevalent kind of queries in data warehousing, OLAP and business intelligence applications. Thus, there is an imperative need for efficiently processing ...
ICIP
2003
IEEE
14 years 7 months ago
2003
IEEE
In this paper, we evaluate and investigate two main types of relevance feedback algorithms; the Euclidean and the correlation?based approaches. In the first case, we examine heuri...
CIKM
2008
Springer
13 years 8 months ago
2008
Springer
The typical workload in a database system consists of a mixture of multiple queries of different types, running concurrently and interacting with each other. Hence, optimizing per...
ICDE
2006
IEEE
14 years 7 months ago
2006
IEEE
To use their pool of resources efficiently, distributed stream-processing systems push query operators to nodes within the network. Currently, these operators, ranging from simple...