28 search results - page 2 / 6 » Fast, small-space algorithms for approximate histogram maint... |
EDBT
2011
ACM
12 years 9 months ago
2011
ACM
Equi-depth histograms represent a fundamental synopsis widely used in both database and data stream applications, as they provide the cornerstone of many techniques such as query ...
PODS
2002
ACM
14 years 6 months ago
2002
ACM
Data Warehousing and OLAPapplications typically view data as having multiple logical dimensions e.g., product, location with natural hierarchies de ned on each dimension. OLAP que...
CIKM
2009
Springer
14 years 25 days ago
2009
Springer
Histogram construction or sequence segmentation is a basic task with applications in database systems, information retrieval, and knowledge management. Its aim is to approximate a...
CVPR
2010
IEEE
14 years 2 months ago
2010
IEEE
We present an efficient pixel-sampling technique for histogram-based search. Given a template image as a query, a typical histogram-based algorithm aims to find the location of ...
VLDB
2004
ACM
13 years 11 months ago
2004
ACM
Histograms and Wavelet synopses provide useful tools in query optimization and approximate query answering. Traditional histogram construction algorithms, such as V-Optimal, optim...