4 search results - page 1 / 1 » Minimizing View Sets without Losing Query-Answering Power |
ICDT
2001
ACM
13 years 9 months ago
2001
ACM
Abstract. The problem of answering queries using views has been studied extensively due to its relevance in a wide variety of data-management applications. In these applications, w...
PODS
2008
ACM
14 years 5 months ago
2008
ACM
In this study we propose sketching algorithms for computing similarities between hierarchical data. Specifically, we look at data objects that are represented using leaf-labeled t...
MOBIHOC
2007
ACM
14 years 4 months ago
2007
ACM
Recently, there has been substantial interest in the design of crosslayer protocols for wireless networks. These protocols optimize certain performance metric(s) of interest (e.g....
ISLPED
2006
ACM
13 years 11 months ago
2006
ACM
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...