630 search results - page 115 / 126 » Usability of E-learning tools |
EDBT
2006
ACM
14 years 9 months ago
2006
ACM
We present a novel framework for comprehensive exploration of OLAP data by means of user-defined dynamic hierarchical visualizations. The multidimensional data model behind the OLA...
ICSE
2005
IEEE-ACM
14 years 9 months ago
2005
IEEE-ACM
Existing spreadsheet systems allow users to change cells arbitrarily, which is a major source of spreadsheet errors. We propose a system that prevents errors in spreadsheets by re...
EUROSYS
2007
ACM
14 years 6 months ago
2007
ACM
Virtual memory has been successfully used in different domains to extend the amount of memory available to applications. We have adapted this mechanism to sensor networks, where,...
WWW
2010
ACM
14 years 4 months ago
2010
ACM
Privacy is an enormous problem in online social networking sites. While sites such as Facebook allow users fine-grained control over who can see their profiles, it is difficult ...
ECBS
2009
IEEE
14 years 3 months ago
2009
IEEE
Future space missions, such as Mars Science Laboratory, are built upon computing platforms providing a high degree of autonomy and diverse functionality. The increased sophisticat...