2944 search results - page 462 / 589 » On Indexed Data Broadcast |
195
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TSP
2010
15 years 1 months ago
2010
Abstract--This paper proposes a training-based channel estimation scheme for achieving quality-of-service discrimination between legitimate and unauthorized receivers in wireless m...
208
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TWC
2010
15 years 1 months ago
2010
Optimized opportunistic multicast scheduling (OMS) is studied for cellular networks, where the problem of efficiently transmitting a common set of fountain-encoded data from a sin...
168
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EDBT
2009
ACM
16 years 1 months ago
2009
ACM
In this work we concentrate on categorization of relational attributes based on their data type. Assuming that attribute type/characteristics are unknown or unidentifiable, we an...
184
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DOLAP
2000
ACM
15 years 10 months ago
2000
ACM
Being able to efficiently answer arbitrary OLAP queries that aggregate along any combination of dimensions over numerical and categorical attributes has been a continued, major co...
213
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SSDBM
1999
IEEE
15 years 10 months ago
1999
IEEE
Multidimensional Analysis in On-Line Analytical Processing (OLAP), and Scientific and statistical databases (SSDB) use operations requiring summary information on multi-dimensiona...