406 search results - page 57 / 82 » An Activity-Based Model of Collective Knowledge |
WWW
2006
ACM
14 years 8 months ago
2006
ACM
The automatic identification of a user's task has the potential to improve information filtering systems that rely on implicit measures of interest and whose effectiveness ma...
SOUPS
2009
ACM
14 years 2 months ago
2009
ACM
Challenge questions are an increasingly important part of mainstream authentication solutions, yet there are few published studies concerning their usability or security. This pap...
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
Combining the output from multiple retrieval sources over the same document collection is of great importance to a number of retrieval tasks such as multimedia retrieval, web retr...
IEAAIE
2005
Springer
14 years 1 months ago
2005
Springer
In this paper we propose the model of a prototypical NLP architecture of an information access system to support a team of experts in a scientific design task, in a shared and hete...
DSN
2004
IEEE
2004
IEEE
Evaluating the Impact of Limited Resource on the Performance of Flooding in Wireless Sensor Networks
13 years 11 months ago
Abstract-- Wireless sensor networks (WSNs) are large collections of resource limited nodes, densely deployed over a landscape. They gather and disseminate local data using multihop...