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SIGMOD
2008
ACM
140views Database» more  SIGMOD 2008»
15 years 3 months ago
Near-optimal algorithms for shared filter evaluation in data stream systems
We consider the problem of evaluating multiple overlapping queries defined on data streams, where each query is a conjunction of multiple filters and each filter may be shared acr...
Zhen Liu, Srinivasan Parthasarathy 0002, Anand Ran...
GRC
2007
IEEE
15 years 4 months ago
Privacy Preserving Collaborative Filtering Using Data Obfuscation
Collaborative filtering (CF) systems are being widely used in E-commerce applications to provide recommendations to users regarding products that might be of interest to them. Th...
Rupa Parameswaran, Douglas M. Blough
NORDICHI
2004
ACM
15 years 9 months ago
Identifying and selecting users for user-centered design
It is critical to the success of a system that appropriate and representative users are involved in the development work. However, the process of identifying and selecting users h...
Sari Kujala, Marjo Kauppinen
VR
2007
IEEE
131views Virtual Reality» more  VR 2007»
15 years 10 months ago
The Effects of Scene Complexity, Stereovision, and Motion Parallax on Size Constancy in a Virtual Environment
In this paper, the effects of three visual factors: scene complexity, stereovision and motion parallax on correct perception of a virtual object’s size were analyzed in an immer...
Xun Luo, Robert V. Kenyon, Derek Kamper, Daniel J....
FAST
2009
15 years 1 months ago
Perspective: Semantic Data Management for the Home
Perspective is a storage system designed for the home, with the decentralization and flexibility sought by home users and a new semantic filesystem construct, the view, to simplif...
Brandon Salmon, Steven W. Schlosser, Lorrie Faith ...