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FPGA
2001
ACM
152views FPGA» more  FPGA 2001»
14 years 9 days ago
A pipelined architecture for partitioned DWT based lossy image compression using FPGA's
Discrete wavelet transformations (DWT) followed by embedded zerotree encoding is a very efficient technique for image compression [2, 5, 4]. However, the algorithms proposed in l...
Jörg Ritter, Paul Molitor
WAIM
2004
Springer
14 years 1 months ago
Estimating the Selectivity of XML Path Expression with Predicates by Histograms
Selectivity estimation of path expressions in querying XML data plays an important role in query optimization. A path expression may contain multiple branches with predicates, each...
Yu Wang, Haixun Wang, Xiaofeng Meng, Shan Wang
ER
2009
Springer
111views Database» more  ER 2009»
14 years 2 months ago
A New Point Access Method Based on Wavelet Trees
Abstract. The development of index structures that allow ecient retrieval of spatial objects has been a topic of interest in the last decades. Most of these structures have been d...
Nieves R. Brisaboa, Miguel Rodríguez Luaces...
ADC
2008
Springer
143views Database» more  ADC 2008»
13 years 9 months ago
TRACK : A Novel XML Join Algorithm for Efficient Processing Twig Queries
In order to find all occurrences of a tree/twig pattern in an XML database, a number of holistic twig join algorithms have been proposed. However, most of these algorithms focus o...
Dongyang Li, Chunping Li
RIDE
2002
IEEE
14 years 22 days ago
Enhancive Index for Structured Document
Structured documents, especially the XML documents, are made up of a few logical components, such as title, sections, subsections and paragraphs. The components in each structured...
Xiaoling Wang, Ji-Rong Wen, Yisheng Dong, Wenyin L...