2446 search results - page 154 / 490 » Principles of dataspace systems |
141
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ICDCS
2009
IEEE
15 years 10 months ago
2009
IEEE
We address issues related to privacy protection in location-based services (LBS). Most existing research in this field either requires a trusted third-party (anonymizer) or uses ...
94
Voted
ICC
2009
IEEE
15 years 7 months ago
2009
IEEE
— In this paper we consider the low-complexity detection in hybrid direct-sequence time-hopping ultrawide bandwidth (DS-TH UWB) systems. A reduced-rank adaptive LBER detector is ...
86
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ICEIS
2008
IEEE
15 years 7 months ago
2008
IEEE
The current evolution of Information Technology leads to the increase of automatic data processing over multiple information systems. The data we deal with concerns sensitive infor...
101
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VTC
2006
IEEE
15 years 6 months ago
2006
IEEE
—Transmitter-based signal pre-processing is investigated for the two-dimensional (2-D) OFDM-CDMA (orthogonal frequency division multiplexing, code division multiple access) forwa...
ITS
2004
Springer
15 years 6 months ago
2004
Springer
Previous research has shown that self-explanation can be supported effectively in an intelligent tutoring system by simple means such as menus. We now focus on the hypothesis that ...