2669 search results - page 115 / 534 » Complex Spatial Relationships |
VTC
2006
IEEE
15 years 4 months ago
2006
IEEE
– In this paper, two novel algorithms are presented that simultaneously perform bit allocation and antenna subset selection for multicarrier spatial diversity transceivers. The g...
ISAAC
2004
Springer
15 years 3 months ago
2004
Springer
We propose a space-efficient scheme for summarizing multidimensional data streams. Our sketch can be used to solve spatial versions of several classical data stream queries effici...
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ICMI
2003
Springer
15 years 3 months ago
2003
Springer
Many user interfaces, from graphic design programs to navigation aids in cars, share a virtual space with the user. Such applications are often ideal candidates for speech interfa...
SSDBM
2010
IEEE
15 years 3 months ago
2010
IEEE
We present a technique for organizing data in spatial databases with non-convex domains based on an automatic characterization using the medial-axis transform (MAT). We define a t...
SSD
1993
Springer
15 years 2 months ago
1993
Springer
: Due to the high complexity of objects and queries and also due to extremely large data volumes, geographic database systems impose stringent requirements on their storage and acc...