Sciweavers

2223 search results - page 212 / 445
» Multimedia structuring using trees
Sort
View
EUROPKI
2004
Springer
15 years 10 months ago
On the Synergy Between Certificate Verification Trees and PayTree-like Micropayments
Abstract. A substantial number of micropayment schemes in the literature are based on distributing the cost of a digital signature over several successive micropayments (e.g. Paywo...
Josep Domingo-Ferrer
CORR
2008
Springer
138views Education» more  CORR 2008»
15 years 6 months ago
Computing Minimum Spanning Trees with Uncertainty
Abstract. We consider the minimum spanning tree problem in a setting where information about the edge weights of the given graph is uncertain. Initially, for each edge e of the gra...
Thomas Erlebach, Michael Hoffmann 0002, Danny Kriz...
IGARSS
2009
15 years 4 months ago
Spectral Variability within Species and its Effects on Savanna Tree Species Discrimination
Differences in within-species phenology and structure driven by factors including topography, edaphic properties, and climatic variables present important challenges for species d...
Moses Azong Cho, Pravesh Debba, Renaud Mathieu, Bo...
EDBT
1998
ACM
155views Database» more  EDBT 1998»
15 years 10 months ago
Improving the Query Performance of High-Dimensional Index Structures by Bulk-Load Operations
Abstract. In this paper, we propose a new bulk-loading technique for high-dimensional indexes which represent an important component of multimedia database systems. Since it is ver...
Stefan Berchtold, Christian Böhm, Hans-Peter ...
QEST
2008
IEEE
16 years 28 days ago
Quasi-Birth-Death Processes, Tree-Like QBDs, Probabilistic 1-Counter Automata, and Pushdown Systems
We begin by observing that (discrete-time) QuasiBirth-Death Processes (QBDs) are equivalent, in a precise sense, to (discrete-time) probabilistic 1-Counter Automata (p1CAs), and b...
Kousha Etessami, Dominik Wojtczak, Mihalis Yannaka...