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SEMCO
2009
IEEE
14 years 3 months ago
Building a Semantic Web of Things: Issues and Perspectives in Information Compression
The paper surveys some relevant issues related to data management in pervasive environments. Particularly, it focuses on the compression of semantic annotations for building so ca...
Floriano Scioscia, Michele Ruta
ICIP
2005
IEEE
14 years 10 months ago
Direct image retrieval in JPEG and JPEG2000
Images are often compressed using JPEG or JPEG2000. Many retrieval systems operated in either uncompressed or compressed domains have been proposed. However, retrieving in multipl...
Ka Man Au, Ngai-Fong Law, Wan-Chi Siu
KDD
1998
ACM
148views Data Mining» more  KDD 1998»
14 years 1 months ago
Group Bitmap Index: A Structure for Association Rules Retrieval
Discovery of association rules from large databases of item sets is an important data mining problem. Association rules are usually stored in relational databases for future use i...
Tadeusz Morzy, Maciej Zakrzewicz
CIKM
2003
Springer
14 years 2 months ago
Dimensionality reduction using magnitude and shape approximations
High dimensional data sets are encountered in many modern database applications. The usual approach is to construct a summary of the data set through a lossy compression technique...
Ümit Y. Ogras, Hakan Ferhatosmanoglu
BNCOD
2003
91views Database» more  BNCOD 2003»
13 years 10 months ago
Persistent Indexing Technology for Large Sequences
There are two aspects to the work being presented here. The first is a novel persistent index structure for genomic data, a prototype of which has been completed. The second, usin...
Robert Japp