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» A Theory of Spatio-Temporal Database Queries
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DMS
2008
106views Multimedia» more  DMS 2008»
13 years 9 months ago
A Multimedia Data Streams Model for Content-based Information Retrieval
: Multimedia applications nowadays are becoming the standard, for they utilize the enormous human brain computational power. In the past, the Relational Database Model was generali...
Shenoda Guirguis, Rohit Kulkarni, Shi-Kuo Chang
EDBT
2011
ACM
225views Database» more  EDBT 2011»
12 years 11 months ago
On (not) indexing quadratic form distance by metric access methods
The quadratic form distance (QFD) has been utilized as an effective similarity function in multimedia retrieval, in particular, when a histogram representation of objects is used...
Tomás Skopal, Tomás Bartos, Jakub Lo...
ICDT
2010
ACM
149views Database» more  ICDT 2010»
14 years 12 days ago
Mapping Polymorphism
We examine schema mappings from a type-theoretic perspective and aim to facilitate and formalize the reuse of mappings. Starting with the mapping language of Clio, we present a ty...
Ryan Wisnesky, Mauricio Hernandez, Lucian Popa
CORR
2006
Springer
143views Education» more  CORR 2006»
13 years 7 months ago
A Knowledge-Based Approach for Selecting Information Sources
Through the Internet and the World-Wide Web, a vast number of information sources has become available, which offer information on various subjects by different providers, often i...
Thomas Eiter, Michael Fink, Hans Tompits
PODS
2006
ACM
216views Database» more  PODS 2006»
14 years 7 months ago
Cache-oblivious string B-trees
B-trees are the data structure of choice for maintaining searchable data on disk. However, B-trees perform suboptimally ? when keys are long or of variable length, ? when keys are...
Michael A. Bender, Martin Farach-Colton, Bradley C...