423 search results - page 79 / 85 » On Multiple Query Optimization in Data Mining |
WWW
2010
ACM
14 years 2 months ago
2010
ACM
In this paper, we propose a semi-supervised learning approach for classifying program (bot) generated web search traffic from that of genuine human users. The work is motivated by...
BTW
2009
Springer
14 years 10 days ago
2009
Springer
: Cost-based optimizers in relational databases make use of data statistics to estimate intermediate result cardinalities. Those cardinalities are needed to estimate access plan co...
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
Current Information Retrieval systems use inverted index structures for efficient query processing. Due to the extremely large size of many data sets, these index structures are u...
ICDE
1997
IEEE
14 years 9 months ago
1997
IEEE
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...
KDD
2012
ACM
11 years 10 months ago
2012
ACM
Multi-task learning (MTL) aims to improve the performance of multiple related tasks by exploiting the intrinsic relationships among them. Recently, multi-task feature learning alg...