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ICDE
2009
IEEE
144views Database» more  ICDE 2009»
16 years 5 months ago
Reachability Indexes for Relational Keyword Search
Due to its considerable ease of use, relational keyword search (R-KWS) has become increasingly popular. Its simplicity, however, comes at the cost of intensive query processing. Sp...
Alexander Markowetz, Yin Yang, Dimitris Papadias
ARTDB
1997
Springer
269views Database» more  ARTDB 1997»
15 years 7 months ago
Parallel Event Detection in Active Database Systems: The Heart of the Matter
This paper proposes a strategy for parallel composite event detection in Active database systems (DBS). Up to now, the detection is sequential and totally synchronized, and thus p...
Ulrike Jaeger, Johann K. Obermaier
CASCON
2008
111views Education» more  CASCON 2008»
15 years 4 months ago
DBMS workload control using throttling: experimental insights
Today's database management systems (DBMSs) are required to handle diverse, mixed workloads and to provide differentiated levels of service to ensure that critical work takes...
Wendy Powley, Patrick Martin, Paul Bird
VLDB
2004
ACM
161views Database» more  VLDB 2004»
16 years 3 months ago
Supporting top-k join queries in relational databases
Ranking queries produce results that are ordered on some computed score. Typically, these queries involve joins, where users are usually interested only in the top-k join results....
Ihab F. Ilyas, Walid G. Aref, Ahmed K. Elmagarmid
SIGMOD
2003
ACM
127views Database» more  SIGMOD 2003»
16 years 3 months ago
Cache-and-Query for Wide Area Sensor Databases
Webcams, microphones, pressure gauges and other sensors provide exciting new opportunities for querying and monitoring the physical world. In this paper we focus on querying wide ...
Amol Deshpande, Suman Kumar Nath, Phillip B. Gibbo...