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VLDB
2004
ACM
124views Database» more  VLDB 2004»
15 years 10 months ago
Automated Statistics Collection in DB2 UDB
The use of inaccurate or outdated database statistics by the query optimizer in a relational DBMS often results in a poor choice of query execution plans and hence unacceptably lo...
Ashraf Aboulnaga, Peter J. Haas, Sam Lightstone, G...
SIGMOD
2010
ACM
262views Database» more  SIGMOD 2010»
15 years 10 months ago
K-nearest neighbor search for fuzzy objects
The K-Nearest Neighbor search (kNN) problem has been investigated extensively in the past due to its broad range of applications. In this paper we study this problem in the contex...
Kai Zheng, Gabriel Pui Cheong Fung, Xiaofang Zhou
ICDE
2006
IEEE
192views Database» more  ICDE 2006»
16 years 6 months ago
MAPLE: A Mobile Scalable P2P Nearest Neighbor Query System for Location-based Services
In this demonstration we present MAPLE, a scalable peer-to-peer Nearest Neighbor (NN) query system for mobile environments. MAPLE is designed for the efficient sharing of query re...
Wei-Shinn Ku, Roger Zimmermann, Chi-Ngai Wan, Haoj...
EDBT
2004
ACM
132views Database» more  EDBT 2004»
16 years 5 months ago
Query-Customized Rewriting and Deployment of DB-to-XML Mappings
Given the current trend towards application interoperability and XML-based data integration, there is an increasing need for XML interfaces to relational database management system...
Oded Shmueli, George A. Mihaila, Sriram Padmanabha...
EDBT
2006
ACM
130views Database» more  EDBT 2006»
16 years 5 months ago
Querying and Updating Probabilistic Information in XML
Abstract. We present in this paper a new model for representing probabilistic information in a semi-structured (XML) database, based on the use of probabilistic event variables. Th...
Serge Abiteboul, Pierre Senellart