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183
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CISS
2008
IEEE
2008
IEEE
A lower-bound on the number of rankings required in recommender systems using collaborativ filtering
16 years 1 months ago
— We consider the situation where users rank items from a given set, and each user ranks only a (small) subset of all items. We assume that users can be classified into C classe...
256
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EEMMAS
2007
Springer
16 years 1 months ago
2007
Springer
Complexity of near future and even nowadays applications is exponentially increasing. In order to tackle the design of such complex systems, being able to engineer self-organising ...
188
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VLDB
2007
ACM
16 years 1 months ago
2007
ACM
In this paper, we describe the challenges of prototyping a reference application on System S, a distributed stream processing middleware under development at IBM Research. With a ...
172
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ELPUB
2006
ACM
16 years 1 months ago
2006
ACM
Walking is becoming increasingly popular as a leisure activity across Europe. Outdoor equipment has modernized, gained flexibility and lost weight. GPS devices are gaining popular...
207
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NETGAMES
2006
ACM
16 years 1 months ago
2006
ACM
Pervasive games provide a new type of game combining new technologies with the real environment of the players. While this already poses new challenges to the game developer, requ...