Sciweavers

3295 search results - page 431 / 659
» Using Technologies to Improve E-Learning
Sort
View
SIGIR
2009
ACM
16 years 1 months ago
Predicting user interests from contextual information
Search and recommendation systems must include contextual information to effectively model users’ interests. In this paper, we present a systematic study of the effectiveness of...
Ryen W. White, Peter Bailey, Liwei Chen
SIGIR
2009
ACM
16 years 1 months ago
Counting ancestors to estimate authority
The AncestorRank algorithm calculates an authority score by using just one characteristic of the web graph—the number of ancestors per node. For scalability, we estimate the num...
Jian Wang, Brian D. Davison
ICDIM
2008
IEEE
16 years 1 months ago
Dynamic detection and administration of materialized views based on the Query Graph Model
Database Management Systems (DBMS) are complex software systems which are used in an increasing number of applications. To obtain the best performance for business relevant applic...
Andreas Lübcke, Ingolf Geist, Ronny Bubke
LCN
2008
IEEE
16 years 29 days ago
A medium access control protocol for UWB sensor networks with QoS support
—Ultra-wideband (UWB) is a physical (PHY) layer technology that promises high transmission rates, as well as high resistance to noise and multipath effects. However, the impulseb...
Jicong Tan, Mun-Choon Chan, Hwee-Xian Tan, Peng Yo...
WMTE
2008
IEEE
16 years 28 days ago
Context-Aware Writing in Ubiquitous Learning Environments
With the popularization of the wireless network, and the progress of mobile computing technology, the efficiency of the hand-held device is better, and its applications are wider....
Tzung-Shi Chen, Cheng-Sian Chang, Jeng-Shian Lin, ...