23 search results - page 3 / 5 » Improving Diversity in Ranking using Absorbing Random Walks |
WWW
2005
ACM
14 years 8 months ago
2005
ACM
This paper proposes to extend a previous work, The Effect of the Back Button in a Random Walk: Application for PageRank [5]. We introduce an enhanced version of the PageRank algor...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
An expert finding system allows a user to type a simple text query and retrieve names and contact information of individuals that possess the expertise expressed in the query. Thi...
ICDM
2007
IEEE
14 years 1 months ago
2007
IEEE
The problem of evaluating scientific publications and their authors is important, and as such has attracted increasing attention. Recent graph-theoretic ranking approaches have d...
PAKDD
2010
ACM
14 years 4 days ago
2010
ACM
We present a novel graph ranking model to extract a diverse set of answers for complex questions via random walks over a negative-edge graph. We assign a negative sign to edge weig...
JSS
2010
13 years 2 months ago
2010
We study the problem of fast and energy-efficient data collection of sensory data using a mobile sink, in wireless sensor networks in which both the sensors and the sink move. Mot...