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» Modelling and Querying Video Data
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VLDB
2000
ACM
110views Database» more  VLDB 2000»
15 years 10 months ago
User-Adaptive Exploration of Multidimensional Data
In this paper we present a tool for enhanced exploration of OLAP data that is adaptive to a user's prior knowledge of the data. The tool continuously keeps track of the parts...
Sunita Sarawagi
EDBT
2006
ACM
255views Database» more  EDBT 2006»
16 years 6 months ago
FIS-by-Step: Visualization of the Fast Index Scan for Nearest Neighbor Queries
Abstract. Many different index structures have been proposed for spatial databases to support efficient query processing. However, most of these index structures suffer from an exp...
Elke Achtert, Dominik Schwald
IDEAS
2003
IEEE
102views Database» more  IDEAS 2003»
15 years 12 months ago
Pushing Quality of Service Information and Requirements into Global Query Optimization
In recent years, a lot of research effort has been dedicated to the management of Quality of Service (QoS), mainly in the fields of telecommunication networks and multimedia syste...
Haiwei Ye, Brigitte Kerhervé, Gregor von Bo...
SIGMOD
2010
ACM
187views Database» more  SIGMOD 2010»
15 years 11 months ago
PIQL: a performance insightful query language
Large-scale websites are increasingly moving from relational databases to distributed key-value stores for high request rate, low latency workloads. Often this move is motivated n...
Michael Armbrust, Stephen Tu, Armando Fox, Michael...
DOLAP
2000
ACM
15 years 11 months ago
Comparing Nested GPSJ Queries in Multidimensional Databases
A multidimensional database can be seen as a collection of multidimensional cubes, from which information is usually extracted by aggregation; aggregated data can be calculated ei...
Matteo Golfarelli, Stefano Rizzi