45 search results - page 9 / 9 » A Query-sensitive Cost Model for Similarity Queries with M-t... |
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
DSS
2006
13 years 7 months ago
2006
The increasing proliferation of online shopping and purchasing has naturally led to a growth in the popularity of comparisonshopping search engines, popularly known as "shopb...
CSL
2009
Springer
13 years 11 months ago
2009
Springer
We introduce tree-width for first order formulae , fotw(). We show that computing fotw is fixed-parameter tractable with parameter fotw. Moreover, we show that on classes of formul...
BTW
2009
Springer
13 years 8 months ago
2009
Springer
Abstract: Multimedia databases are increasingly common in science, business, entertainment and many other applications. Their size and high dimensionality of features are major cha...
ICDM
2009
IEEE
14 years 2 months ago
2009
IEEE
—A fast online algorithm OnlineSVMR for training Ramp-Loss Support Vector Machines (SVMR s) is proposed. It finds the optimal SVMR for t+1 training examples using SVMR built on t...