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» Recommending Multidimensional Queries.
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VLDB
2004
ACM
123views Database» more  VLDB 2004»
14 years 28 days ago
CORDS: Automatic Generation of Correlation Statistics in DB2
When query optimizers erroneously assume that database columns are statistically independent, they can underestimate the selectivities of conjunctive predicates by orders of magni...
Ihab F. Ilyas, Volker Markl, Peter J. Haas, Paul G...
ISMB
1996
13 years 9 months ago
Compact Encoding Strategies for DNA Sequence Similarity Search
Determining whether two DNA sequences are similar is an essential component of DNA sequence analysis. Dynamic programming is the algorithm of choice if computational time is not t...
David J. States, Pankaj Agarwal
ICDE
2011
IEEE
241views Database» more  ICDE 2011»
12 years 11 months ago
Advanced search, visualization and tagging of sensor metadata
— As sensors continue to proliferate, the capabilities of effectively querying not only sensor data but also its metadata becomes important in a wide range of applications. This ...
Ioannis K. Paparrizos, Hoyoung Jeung, Karl Aberer
AUSAI
2008
Springer
13 years 9 months ago
Exploiting Ontological Structure for Complex Preference Assembly
When a user is looking for a product recommendation they usually lack expert knowledge regarding the items they are looking for. Ontologies on the other hand are crafted by experts...
Gil Chamiel, Maurice Pagnucco
DOLAP
2003
ACM
14 years 26 days ago
Spatial hierarchy and OLAP-favored search in spatial data warehouse
Data warehouse and Online Analytical Processing(OLAP) play a key role in business intelligent systems. With the increasing amount of spatial data stored in business database, how ...
Fangyan Rao, Long Zhang, Xiulan Yu, Ying Li, Ying ...