Sciweavers

2546 search results - page 157 / 510
» Managing long-running queries
Sort
View
DAWAK
2008
Springer
15 years 8 months ago
Mining Conditional Cardinality Patterns for Data Warehouse Query Optimization
Abstract. Data mining algorithms are often embedded in more complex systems, serving as the provider of data for internal decision making within these systems. In this paper we add...
Mikolaj Morzy, Marcin Krystek
DEXA
2008
Springer
113views Database» more  DEXA 2008»
15 years 8 months ago
Optimal Preference Elicitation for Skyline Queries over Categorical Domains
When issuing user-specific queries, users often have a vaguely defined information need. Skyline queries identify the most "interesting" objects for users' incomplet...
Jongwuk Lee, Gae-won You, Seung-won Hwang, Joachim...
VLDB
2002
ACM
98views Database» more  VLDB 2002»
15 years 6 months ago
Processing Star Queries on Hierarchically-Clustered Fact Tables
Star queries are the most prevalent kind of queries in data warehousing, OLAP and business intelligence applications. Thus, there is an imperative need for efficiently processing ...
Nikos Karayannidis, Aris Tsois, Timos K. Sellis, R...
GVD
2009
191views Database» more  GVD 2009»
15 years 4 months ago
Query Processing on Multi-Core Architectures
The upcoming generation of computer hardware poses several new challenges for database developers and engineers. Software in general and database management systems (DBMSs) in par...
Frank Huber, Johann Christoph Freytag
ICDE
2009
IEEE
178views Database» more  ICDE 2009»
15 years 4 months ago
Efficient Query Evaluation over Temporally Correlated Probabilistic Streams
Many real world applications such as sensor networks and other monitoring applications naturally generate probabilistic streams that are highly correlated in both time and space. ...
Bhargav Kanagal, Amol Deshpande