2228 search results - page 399 / 446 » On Database Theory and XML |
WWW
2009
ACM
15 years 10 months ago
2009
ACM
There are many on-line settings in which users publicly express opinions. A number of these offer mechanisms for other users to evaluate these opinions; a canonical example is Ama...
PODS
2006
ACM
15 years 10 months ago
2006
ACM
Finding icebergs ? items whose frequency of occurrence is above a certain threshold ? is an important problem with a wide range of applications. Most of the existing work focuses ...
PODS
2008
ACM
15 years 10 months ago
2008
ACM
In this study we propose sketching algorithms for computing similarities between hierarchical data. Specifically, we look at data objects that are represented using leaf-labeled t...
SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
Maximal clique enumeration (MCE) is a fundamental problem in graph theory and has important applications in many areas such as social network analysis and bioinformatics. The prob...
CSL
2009
Springer
15 years 1 months ago
2009
Springer
My talk will be a survey of recent results about the quest for a logic capturing polynomial time. In a fundamental study of database query languages, Chandra and Harel [4] first ra...