CORR
2012
Springer
12 years 7 months ago
2012
Springer
We consider the problem of recovering items matching a partially specified pattern in multidimensional trees (quad trees and k-d trees). We assume the classical model where the d...
AAAI
2011
12 years 11 months ago
2011
Externalities are recognized to exist in the sponsored search market, where two co-located ads compete for user attention. Existing work focuses on the effect of another ad on th...