1798 search results - page 55 / 360 » A Tree for All Seasons |
BMCBI
2007
13 years 9 months ago
2007
Background: Evolutionary processes, such as gene family evolution or parasite-host cospeciation, can often be viewed as a tree evolving inside another tree. Relating two given tre...
SODA
2003
ACM
13 years 10 months ago
2003
ACM
We consider the problem of finding efficient trees to send information from k sources to a single sink in a network where information can be aggregated at intermediate nodes in t...
BMCBI
2011
13 years 3 months ago
2011
Background: As one of the most widely used parsimony methods for ancestral reconstruction, the Fitch method minimizes the total number of hypothetical substitutions along all bran...
ISCC
2003
IEEE
14 years 2 months ago
2003
IEEE
Perfect Secrecy can only be achieved in multicast groups by ciphering data sent to the group with a different key every time a member joins or leaves the group. A Key Server must ...
STOC
2006
ACM
14 years 9 months ago
2006
ACM
One of the major tasks of evolutionary biology is the reconstruction of phylogenetic trees from molecular data. The evolutionary model is given by a Markov chain on the true evolu...