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» Using Temporal Data for Making Recommendations
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SIGIR
2006
ACM
15 years 8 months ago
Unifying user-based and item-based collaborative filtering approaches by similarity fusion
Memory-based methods for collaborative filtering predict new ratings by averaging (weighted) ratings between, respectively, pairs of similar users or items. In practice, a large ...
Jun Wang, Arjen P. de Vries, Marcel J. T. Reinders
108
Voted
IRI
2009
IEEE
15 years 9 months ago
Using 4KB Page Size for Virtual Memory is Obsolete
A 4KB page size has been used for Virtual Memory since the sixties. In fact, today, the most common page size is still 4KB. Choosing a page size is finding the middle ground betwe...
Pinchas Weisberg, Yair Wiseman
164
Voted
SIGMOD
2011
ACM
299views Database» more  SIGMOD 2011»
14 years 5 months ago
Processing theta-joins using MapReduce
Joins are essential for many data analysis tasks, but are not supported directly by the MapReduce paradigm. While there has been progress on equi-joins, implementation of join alg...
Alper Okcan, Mirek Riedewald
ISLPED
2006
ACM
109views Hardware» more  ISLPED 2006»
15 years 8 months ago
Power reduction of multiple disks using dynamic cache resizing and speed control
This paper presents an energy-conservation method for multiple disks and their cache memory. Our method periodically resizes the cache memory and controls the rotation speeds unde...
Le Cai, Yung-Hsiang Lu
KDD
2008
ACM
217views Data Mining» more  KDD 2008»
16 years 3 months ago
Stream prediction using a generative model based on frequent episodes in event sequences
This paper presents a new algorithm for sequence prediction over long categorical event streams. The input to the algorithm is a set of target event types whose occurrences we wis...
Srivatsan Laxman, Vikram Tankasali, Ryen W. White