221 search results - page 32 / 45 » An Empirical Evaluation of Client-Side Server Selection Algo... |
SIGIR
2010
ACM
14 years 14 days ago
2010
ACM
The context of a search query often provides a search engine meaningful hints for answering the current query better. Previous studies on context-aware search were either focused ...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
In order to enable scalable querying of graph databases, intelligent selection of subgraphs to index is essential. An improved index can reduce response times for graph queries si...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
As computer systems are essential components of many critical commercial services, the need for secure online transactions is now becoming evident. The demand for such application...
IAT
2009
IEEE
14 years 3 months ago
2009
IEEE
Collaborative Filtering based on similarity suffers from a variety of problems such as sparsity and scalability. In this paper, we propose an ontological model of trust between us...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
The group Lasso is an extension of the Lasso for feature selection on (predefined) non-overlapping groups of features. The non-overlapping group structure limits its applicability...