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VLDB
2005
ACM
149views Database» more  VLDB 2005»
16 years 7 months ago
Selectivity estimators for multidimensional range queries over real attributes
Estimating the selectivity of multidimensional range queries over real valued attributes has significant applications in data exploration and database query optimization. In this p...
Dimitrios Gunopulos, George Kollios, Vassilis J. T...
SIGMOD
2002
ACM
246views Database» more  SIGMOD 2002»
16 years 6 months ago
Hierarchical subspace sampling: a unified framework for high dimensional data reduction, selectivity estimation and nearest neig
With the increased abilities for automated data collection made possible by modern technology, the typical sizes of data collections have continued to grow in recent years. In suc...
Charu C. Aggarwal
VTC
2008
IEEE
160views Communications» more  VTC 2008»
16 years 1 months ago
Reducing Feedback Requirements of the Multiple Weight Opportunistic Beamforming Scheme via Selective Multiuser Diversity
—Opportunistic beamforming (OB) relies on the transmission of Channel State Information (CSI) in the form of instantaneous Signal to Noise Ratio (SNR) from Mobile Stations (MSs) ...
Marios Nicolaou, Angela Doufexi, Simon Armour
IMC
2006
ACM
16 years 21 days ago
The need for cross-layer information in access point selection algorithms
The low price of commodity wireless LAN cards and access points (APs) has resulted in the rich proliferation of high density WLANs in enterprise, academic environments, and public ...
Karthikeyan Sundaresan, Konstantina Papagiannaki
P2P
2005
IEEE
189views Communications» more  P2P 2005»
16 years 9 days ago
Proximity Neighbor Selection for a DHT in Wireless Multi-Hop Networks
A mobile ad hoc network (MANET) is a multi-hop wireless network having no infrastructure. Thus, the mobile nodes have to perform basic control tasks, such as routing, and higher-l...
Curt Cramer, Thomas Fuhrmann