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SIGMOD
1998
ACM
143views Database» more  SIGMOD 1998»
15 years 3 months ago
Optimal Multi-Step k-Nearest Neighbor Search
For an increasing number of modern database applications, efficient support of similarity search becomes an important task. Along with the complexity of the objects such as images...
Thomas Seidl, Hans-Peter Kriegel
VTS
1996
IEEE
112views Hardware» more  VTS 1996»
15 years 3 months ago
Optimal voltage testing for physically-based faults
In this paper we investigate optimal voltage testing approaches for physically-based faults in CMOS circuits. We describe the general nature of the problem and then focus on two f...
Yuyun Liao, D. M. H. Walker
MOBIHOC
2002
ACM
15 years 10 months ago
On the minimum node degree and connectivity of a wireless multihop network
This paper investigates two fundamental characteristics of a wireless multihop network: its minimum node degree and its k?connectivity. Both topology attributes depend on the spat...
Christian Bettstetter
TSP
2008
118views more  TSP 2008»
14 years 11 months ago
Maximum-Likelihood Detection of Orthogonal Space-Time Block Coded OFDM in Unknown Block Fading Channels
For orthogonal space-time block coded orthogonal frequency division multiplexing (OSTBC-OFDM) systems, many of the existing blind detection and channel estimation methods rely on t...
Tsung-Hui Chang, Wing-Kin Ma, Chong-Yung Chi
WSDM
2012
ACM
325views Data Mining» more  WSDM 2012»
13 years 6 months ago
Correlating financial time series with micro-blogging activity
We study the problem of correlating micro-blogging activity with stock-market events, defined as changes in the price and traded volume of stocks. Specifically, we collect messa...
Eduardo J. Ruiz, Vagelis Hristidis, Carlos Castill...