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» Creating Database Queries by Demonstration
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VLDB
2005
ACM
122views Database» more  VLDB 2005»
15 years 3 months ago
Optimizing Nested Queries with Parameter Sort Orders
Nested iteration is an important technique for query evaluation. It is the default way of executing nested subqueries in SQL. Although decorrelation often results in cheaper non-n...
Ravindra Guravannavar, H. S. Ramanujam, S. Sudarsh...
ICDE
2006
IEEE
266views Database» more  ICDE 2006»
15 years 11 months ago
Approximation Techniques for Indexing the Earth Mover's Distance in Multimedia Databases
Todays abundance of storage coupled with digital technologies in virtually any scientific or commercial application such as medical and biological imaging or music archives deal w...
Ira Assent, Andrea Wenning, Thomas Seidl
SIGMOD
2003
ACM
163views Database» more  SIGMOD 2003»
15 years 10 months ago
Multi-Dimensional Clustering: A New Data Layout Scheme in DB2
We describe the design and implementation of a new data layout scheme, called multi-dimensional clustering, in DB2 Universal Database Version 8. Many applications, e.g., OLAP and ...
Sriram Padmanabhan, Bishwaranjan Bhattacharjee, Ti...
SIGMOD
2006
ACM
161views Database» more  SIGMOD 2006»
15 years 10 months ago
Paper-based mobile access to databases
Our demonstration is a paper-based interactive guide for visitors to the world's largest international arts festival that was developed as part of a project investigating new...
Beat Signer, Moira C. Norrie, Michael Grossniklaus...
CCS
2008
ACM
14 years 12 months ago
A formal framework for reflective database access control policies
Reflective Database Access Control (RDBAC) is a model in which a database privilege is expressed as a database query itself, rather than as a static privilege contained in an acce...
Lars E. Olson, Carl A. Gunter, P. Madhusudan