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ICC
2007
IEEE
120views Communications» more  ICC 2007»
16 years 1 months ago
Multiuser MIMO Downlink Transmission Over Time-Varying Channels
—— The performance of multiuser MIMO downlink systems with block diagonalization (BD) relies on the channel state information (CSI) at the transmitter to a great extent. For ti...
Kai Zhang, Zhisheng Niu
VLDB
1995
ACM
113views Database» more  VLDB 1995»
15 years 10 months ago
Efficient Incremental Garbage Collection for Client-Server Object Database Systems
We describe an eficient server-based algorithm for garbage collecting object-oriented databases in a client/server environment. The algorithm is incremental and runs concurrently ...
Laurent Amsaleg, Michael J. Franklin, Olivier Grub...
GI
2009
Springer
15 years 4 months ago
A Knowledge-Based System for the Specification of Variables in Clinical Trials
: Study variables in clinical trial specifications are often defined manually, depending on the knowledge and experience of the author rather than on commonly agreed methods and st...
Matthias Löbe, Barbara Strotmann, Kai-Uwe Hoo...
CIKM
2009
Springer
16 years 1 months ago
Bitmap indexes for relational XML twig query processing
Due to an increasing volume of XML data, it is considered prudent to store XML data on an industry-strength database system instead of relying on a domain specific application or...
Kyong-Ha Lee, Bongki Moon
CHI
2002
ACM
16 years 7 months ago
NetRaker suite: a demonstration
This demonstration will show the application of a unique approach to collecting and analyzing usability data from the users of Web sites and software applications. The NetRaker Su...
Doug van Duyne, James A. Landay, Matthew Tarpy