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DASFAA
2004
IEEE
169views Database» more  DASFAA 2004»
14 years 2 months ago
Statistic Driven Acceleration of Object-Relational Space-Partitioning Index Structures
Relational index structures, as for instance the Relational Interval Tree or the Linear Quadtree, support efficient processing of queries on top of existing object-relational datab...
Hans-Peter Kriegel, Peter Kunath, Martin Pfeifle, ...
GEOINFO
2003
14 years 9 days ago
Efficient Query Processing on the Relational Quadtree
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existing...
Hans-Peter Kriegel, Peter Kunath, Martin Pfeifle, ...
BIOINFORMATICS
2011
13 years 6 months ago
Algorithms for sorting unsigned linear genomes by the DCJ operations
Motivation: The double cut and join operation (abbreviated as DCJ) has been extensively used for genomic rearrangement. Although the DCJ distance between signed genomes with both ...
Haitao Jiang, Binhai Zhu, Daming Zhu
CSEDU
2011
221views Education» more  CSEDU 2011»
12 years 10 months ago
Learning of Algorithms on Mobile Devices through Bluetooth, SMS AND MMS Technology
Teaching Institutions are up against challenges of an advanced technology of learning with the objective of improving the efficiency of the teaching-learning process. Joining the ...
Ricardo José dos Santos Barcelos, Liane Mar...
SIGMOD
2002
ACM
91views Database» more  SIGMOD 2002»
14 years 11 months ago
A scalable hash ripple join algorithm
Recently, Haas and Hellerstein proposed the hash ripple join algorithm in the context of online aggregation. Although the algorithm rapidly gives a good estimate for many join-agg...
Gang Luo, Curt J. Ellmann, Peter J. Haas, Jeffrey ...