5356 search results - page 692 / 1072 » Adventures in time and space |
151
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ESA
2010
Springer
15 years 8 months ago
2010
Springer
We study a wide generalization of two classical problems, the Huffman Tree and Alphabetic Tree Problem. We assume that the cost caused by the ith leaf is fi(di), where di is its d...
235
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CSREASAM
2009
15 years 8 months ago
2009
Role-Based Access Control (RBAC) has been widely used for expressing access control policies. Although RBAC provides flexible mechanisms to control the access to information, it do...
206
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GISCIENCE
2010
Springer
2010
Springer
Efficient Data Collection and Event Boundary Detection in Wireless Sensor Networks Using Tiny Models
15 years 8 months ago
Using wireless geosensor networks (WGSN), sensor nodes often monitor a phenomenon that is both continuous in time and space. However, sensor nodes take discrete samples, and an ana...
198
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GCB
2008
Springer
15 years 7 months ago
2008
Springer
: Specific functions of RNA molecules are often associated with different motifs in the RNA structure. The key feature that forms such an RNA motif is the combination of sequence ...
194
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ALGORITHMICA
2007
15 years 7 months ago
2007
Abstract Many compiler optimization techniques depend on the ability to calculate the number of elements that satisfy certain conditions. If these conditions can be represented by ...