242 search results - page 39 / 49 » Approximate substring selectivity estimation |
DIM
2008
ACM
13 years 9 months ago
2008
ACM
We describe a technique aimed at addressing longstanding problems for password reset: security and cost. In our approach, users are authenticated using their preferences. Experime...
ICWN
2007
13 years 8 months ago
2007
—To meet the demand for broadband wireless communication, wireless systems should work well in typical wireless environments, characterized by the path loss of the signals, multi...
IUI
2012
ACM
12 years 2 months ago
2012
ACM
Numerous interaction techniques have been developed that make “virtual” pointing at targets in graphical user interfaces easier than analogous physical pointing tasks by invok...
CORR
2010
Springer
13 years 6 months ago
2010
Springer
We propose a new approach to value function approximation which combines linear temporal difference reinforcement learning with subspace identification. In practical applications...
CIKM
2007
Springer
14 years 1 months ago
2007
Springer
The problem of results merging in distributed information retrieval environments has been approached by two different directions in research. Estimation approaches attempt to cal...