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» Optimizing complex queries with multiple relation instances
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SSDBM
2005
IEEE
184views Database» more  SSDBM 2005»
15 years 5 months ago
Optimizing Multiple Top-K Queries over Joins
Advanced Data Mining applications require more and more support from relational database engines. Especially clustering applications in high dimensional features space demand a pr...
Dirk Habich, Wolfgang Lehner, Alexander Hinneburg
IJCAI
2001
15 years 1 months ago
Probabilistic Classification and Clustering in Relational Data
Supervised and unsupervised learning methods have traditionally focused on data consisting of independent instances of a single type. However, many real-world domains are best des...
Benjamin Taskar, Eran Segal, Daphne Koller
SIGMOD
1996
ACM
120views Database» more  SIGMOD 1996»
15 years 4 months ago
Query Execution Techniques for Caching Expensive Methods
Object-Relational and Object-Oriented DBMSs allow users to invoke time-consuming ("expensive") methods in their queries. When queries containing these expensive methods a...
Joseph M. Hellerstein, Jeffrey F. Naughton
COCO
2000
Springer
161views Algorithms» more  COCO 2000»
15 years 4 months ago
Characterization of Non-Deterministic Quantum Query and Quantum Communication Complexity
It is known that the classical and quantum query complexities of a total Boolean function f are polynomially related to the degree of its representing polynomial, but the optimal ...
Ronald de Wolf
ICDE
2007
IEEE
174views Database» more  ICDE 2007»
15 years 6 months ago
Adapting Partitioned Continuous Query Processing in Distributed Systems
Partitioned query processing is an effective method to process continuous queries with large stateful operators in a distributed systems. This method typically partitions input da...
Yali Zhu, Elke A. Rundensteiner