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» Using Temporal Data for Making Recommendations
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SIGIR
2006
ACM
15 years 12 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
IRI
2009
IEEE
16 years 18 days 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Using 4KB Page Size for Virtual Memory is Obsolete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
SIGMOD
2011
ACM
299views Database» more  SIGMOD 2011»
14 years 8 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 12 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 6 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