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197
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ICC
2011
IEEE
14 years 6 months ago
2011
IEEE
—We consider a general wireless channel model for different types of code-division multiple access (CDMA) and space-division multiple-access (SDMA) systems with isometric random ...
161
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CISS
2008
IEEE
2008
IEEE
A lower-bound on the number of rankings required in recommender systems using collaborativ filtering
16 years 29 days ago
— We consider the situation where users rank items from a given set, and each user ranks only a (small) subset of all items. We assume that users can be classified into C classe...
206
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RIDE
1993
IEEE
15 years 10 months ago
1993
IEEE
In this paper, we describe a framework for an object-oriented modeling of meta information and its use for the integration of heterogeneous databases with the goal of their intero...
148
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ISCA
2000
IEEE
15 years 11 months ago
2000
IEEE
This paper evaluates performance characteristics of the Compaq ES40 shared memory multiprocessor. The ES40 system contains up to four Alpha 21264 CPU’s together with a high-perf...
175
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VTC
2008
IEEE
16 years 26 days ago
2008
IEEE
— We consider the downlink of a multiuser multi-input multi-output (MIMO) broadcast channel under a single cell structure. To study the achievable link coverage performance of ze...