CORR
2008
Springer
13 years 8 months ago
2008
Springer
The performance of user-cooperation in a multi-access network is compared to that of using a wireless relay. Using the total transmit and processing power consumed at all nodes as...
CORR
2008
Springer
13 years 8 months ago
2008
Springer
CORR
2008
Springer
13 years 8 months ago
2008
Springer
One of the Multi-Agent Systems that is widely used by various government agencies, buyers and sellers in a market economy, in such a manner so as to attain optimized resource allo...
CORR
2008
Springer
13 years 8 months ago
2008
Springer
CORR
2008
Springer
13 years 8 months ago
2008
Springer
Analytical queries defined on data warehouses are complex and use several join operations that are very costly, especially when run on very large data volumes. To improve response...
CORR
2008
Springer
13 years 8 months ago
2008
Springer
XML data warehouses form an interesting basis for decision-support applications that exploit complex data. However, native XML database management systems currently bear limited p...
CORR
2008
Springer
13 years 8 months ago
2008
Springer
One of the most fundamental problems in large-scale network analysis is to determine the importance of a particular node in a network. Betweenness centrality is the most widely us...
CORR
2008
Springer
13 years 8 months ago
2008
Springer
We present fast algorithms for constructing probabilistic embeddings and approximate distance oracles in sparse graphs. The main ingredient is a fast algorithm for sampling the pr...
CORR
2008
Springer
13 years 8 months ago
2008
Springer
CORR
2008
Springer
13 years 8 months ago
2008
Springer
The k-means method is a widely used clustering algorithm. One of its distinguished features is its speed in practice. Its worst-case running-time, however, is exponential, leaving...