4324 search results - page 96 / 865 » Online social networks |
CIKM
2010
Springer
13 years 7 months ago
2010
Springer
Computing shortest paths between two given nodes is a fundamental operation over graphs, but known to be nontrivial over large disk-resident instances of graph data. While a numbe...
ICALT
2006
IEEE
14 years 3 months ago
2006
IEEE
This study of the flow of online discussions examined how earlier messages affected later messages along five dimensions: (1) evaluations (agree, disagree, or unresponsive actions...
GROUP
2009
ACM
13 years 6 months ago
2009
ACM
"Open contribution systems" (OCS) are online applications that encourage users to contribute and share content in a "public" and open manner. While these syste...
ETS
2002
IEEE
13 years 8 months ago
2002
IEEE
Research suggests that collaboration in an on-line course can enhance learning, reduce feelings of isolation, increase satisfaction with the course, and increase motivation. Unfor...
CSCW
2012
ACM
12 years 4 months ago
2012
ACM
A challenge for many online production communities is to direct their members to accomplish tasks that are important to the group, even when these tasks may not match individual m...