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DEBU
2010
170views more  DEBU 2010»
13 years 8 months ago
Roads Belong in Databases
The popularity of location-based services and the need to perform real-time processing on them has led to an interest in queries on road networks, such as finding shortest paths a...
Jagan Sankaranarayanan, Hanan Samet
ESWA
2008
152views more  ESWA 2008»
13 years 8 months ago
Collaborative recommender systems: Combining effectiveness and efficiency
Recommender systems base their operation on past user ratings over a collection of items, for instance, books, CDs, etc. Collaborative filtering (CF) is a successful recommendatio...
Panagiotis Symeonidis, Alexandros Nanopoulos, Apos...
DKE
2006
123views more  DKE 2006»
13 years 8 months ago
Cost models for distance joins queries using R-trees
The K-Closest-Pairs Query (K-CPQ), a type of distance join in spatial databases, discovers the K pairs of objects formed from two different datasets with the K smallest distances....
Antonio Corral, Yannis Manolopoulos, Yannis Theodo...
CORR
2007
Springer
113views Education» more  CORR 2007»
13 years 8 months ago
On the Outage Capacity of a Practical Decoder Using Channel Estimation Accuracy
— The optimal decoder achieving the outage capacity under imperfect channel estimation is investigated. First, by searching into the family of nearest neighbor decoders, which ca...
Pablo Piantanida, Sajad Sadough, Pierre Duhamel
CORR
2007
Springer
109views Education» more  CORR 2007»
13 years 8 months ago
On the Outage Capacity of a Practical Decoder Accounting for Channel Estimation Inaccuracies
—The optimal decoder achieving the outage capacity under imperfect channel estimation is investigated. First, by searching into the family of nearest neighbor decoders, which can...
Pablo Piantanida, Sajad Sadough, Pierre Duhamel