301 search results - page 50 / 61 » The k-Median Problem for Directed Trees |
ICDE
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract— It is widely realized that the integration of information retrieval (IR) and database (DB) techniques provides users with a broad range of high quality services. A new ...
BMCBI
2008
13 years 7 months ago
2008
Background: A fundamental problem when trying to define the functional relationships between proteins is the difficulty in quantifying functional similarities, even when well-stru...
LICS
1994
IEEE
13 years 11 months ago
1994
IEEE
The modal mu-calculus is an expressive logic that can be used to specify safety and liveness properties of concurrent systems represented as labeled transition systems (LTSs). We ...
IWCMC
2006
ACM
14 years 1 months ago
2006
ACM
Securing multicast communications in ad hoc networks has become one of the most challenging research directions in the areas of wireless networking and security. This is especiall...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Reachability queries on large directed graphs have attracted much attention recently. The existing work either uses spanning structures, such as chains or trees, to compress the c...