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COOPIS
2004
IEEE
15 years 10 months ago
Refresco: Improving Query Performance Through Freshness Control in a Database Cluster
Abstract. We consider the use of a cluster system for managing autonomous databases. In order to improve the performance of read-only queries, we strive to exploit user requirement...
Cécile Le Pape, Stéphane Ganç...
IJCAI
2007
15 years 8 months ago
What You Seek Is What You Get: Extraction of Class Attributes from Query Logs
Within the larger area of automatic acquisition of knowledge from the Web, we introduce a method for extracting relevant attributes, or quantifiable properties, for various class...
Marius Pasca, Benjamin Van Durme
IIS
2004
15 years 8 months ago
Query Selectivity Estimation via Data Mining
Estimating the result size of a join is an important query optimization problem as it determines the choice of a good query evaluation strategy. Yet, there are few efficient techni...
Jarek Gryz, Dongming Liang
WAIM
2010
Springer
15 years 5 months ago
CW2I: Community Data Indexing for Complex Query Processing
The increasing popularity of Community Web Management Systems (CWMSs) calls for tailor-made data management approaches for them. Still, existing CWMSs have mostly focused on simple...
Mei Hui, Panagiotis Karras, Beng Chin Ooi
EDBT
2002
ACM
112views Database» more  EDBT 2002»
16 years 6 months ago
Querying with Intrinsic Preferences
The handling of user preferences is becoming an increasingly important issue in present-day information systems. Among others, preferences are used for information filtering and ex...
Jan Chomicki