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» A Screen Space Quality Method for Data Abstraction
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TIP
2010
150views more  TIP 2010»
14 years 10 months ago
Study of Subjective and Objective Quality Assessment of Video
Abstract—We present the results of a recent large-scale subjective study of video quality on a collection of videos distorted by a variety of application-relevant processes. Meth...
Kalpana Seshadrinathan, Rajiv Soundararajan, Alan ...
ICDE
2007
IEEE
124views Database» more  ICDE 2007»
16 years 1 months ago
The Haar+ Tree: A Refined Synopsis Data Structure
We introduce the Haar+ tree: a refined, wavelet-inspired data structure for synopsis construction. The advantages of this structure are twofold: First, it achieves higher synopsis...
Panagiotis Karras, Nikos Mamoulis
VLDB
2006
ACM
171views Database» more  VLDB 2006»
15 years 12 months ago
Grid-partition index: a hybrid method for nearest-neighbor queries in wireless location-based services
Abstract Traditional nearest-neighbor (NN) search is based on two basic indexing approaches: object-based indexing and solution-based indexing. The former is constructed based on t...
Baihua Zheng, Jianliang Xu, Wang-Chien Lee, Dik Lu...
TODS
2002
92views more  TODS 2002»
14 years 11 months ago
Searching in metric spaces with user-defined and approximate distances
Metric access methods (MAMs), such as the M-tree, are powerful index structures for supporting ty queries on metric spaces, which represent a common abstraction for those searchin...
Paolo Ciaccia, Marco Patella
DEXA
2007
Springer
140views Database» more  DEXA 2007»
15 years 6 months ago
Clustering-Based K-Anonymisation Algorithms
Abstract. K-anonymisation is an approach to protecting private information contained within a dataset. Many k-anonymisation methods have been proposed recently and one class of suc...
Grigorios Loukides, Jianhua Shao