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SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
14 years 7 months ago
Automated SQL tuning through trial and (sometimes) error
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
Herodotos Herodotou, Shivnath Babu
KAIS
2006
110views more  KAIS 2006»
13 years 7 months ago
Multi-step density-based clustering
Abstract. Data mining in large databases of complex objects from scientific, engineering or multimedia applications is getting more and more important. In many areas, complex dista...
Stefan Brecheisen, Hans-Peter Kriegel, Martin Pfei...
IPPS
2007
IEEE
14 years 1 months ago
Popularity Adaptive Search in Hybrid P2P Systems
In a hybrid peer-to-peer (P2P) system, flooding and DHT are both employed for content locating. The decision to use flooding or DHT largely depends on the population of desired da...
Xiaoqiu Shi, Jinsong Han, Yunhao Liu, Lionel M. Ni
DEBU
2008
123views more  DEBU 2008»
13 years 7 months ago
Pathfinder: XQuery Off the Relational Shelf
The Pathfinder project makes inventive use of relational database technology--originally developed to process data of strictly tabular shape--to construct efficient database-suppo...
Torsten Grust, Jan Rittinger, Jens Teubner
ICDE
2007
IEEE
145views Database» more  ICDE 2007»
14 years 9 months ago
Fast Identification of Relational Constraint Violations
Logical constraints, (e.g., 'phone numbers in toronto can have prefixes 416, 647, 905 only'), are ubiquitous in relational databases. Traditional integrity constraints, ...
Amit Chandel, Nick Koudas, Ken Q. Pu, Divesh Sriva...