441 search results - page 77 / 89 » Query expansion using random walk models |
WWW
2009
ACM
14 years 10 months ago
2009
ACM
Rich media social networks promote not only creation and consumption of media, but also communication about the posted media item. What causes a conversation to be interesting, th...
WWW
2008
ACM
14 years 10 months ago
2008
ACM
Geographic information has spawned many novel Web applications where global positioning system (GPS) plays important roles in bridging the applications and end users. Learning kno...
CIKM
2009
Springer
14 years 4 months ago
2009
Springer
We propose a General Markov Framework for computing page importance. Under the framework, a Markov Skeleton Process is used to model the random walk conducted by the web surfer on...
ECIR
2009
Springer
14 years 7 months ago
2009
Springer
Opinion finding is a challenging retrieval task, where it has been shown that it is especially difficult to improve over a strongly performing topic-relevance baseline. In this pa...
TACAS
2007
Springer
14 years 4 months ago
2007
Springer
We study and provide efficient algorithms for multi-objective model checking problems for Markov Decision Processes (MDPs). Given an MDP, M, and given multiple linear-time (ω-regu...