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BTW
2007
Springer
142views Database» more  BTW 2007»
15 years 8 months ago
Algebraic Query Optimization for Distributed Top-k Queries
: Distributed top-k query processing is increasingly becoming an essential functionality in a large number of emerging application classes. This paper addresses the efficient alge...
Thomas Neumann, Sebastian Michel
196
Voted
VLDB
2009
ACM
130views Database» more  VLDB 2009»
16 years 2 months ago
Multi-dimensional top-k dominating queries
Abstract The top-k dominating query returns k data objects which dominate the highest number of objects in a dataset. This query is an important tool for decision support since it ...
Man Lung Yiu, Nikos Mamoulis
EDBT
2009
ACM
175views Database» more  EDBT 2009»
15 years 9 months ago
Towards materialized view selection for distributed databases
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
Leonardo Weiss Ferreira Chaves, Erik Buchmann, Fab...
131
Voted
EDBT
2009
ACM
207views Database» more  EDBT 2009»
15 years 5 months ago
Evaluating probability threshold k-nearest-neighbor queries over uncertain data
In emerging applications such as location-based services, sensor monitoring and biological management systems, the values of the database items are naturally imprecise. For these ...
Reynold Cheng, Lei Chen 0002, Jinchuan Chen, Xike ...
SIGMOD
2010
ACM
250views Database» more  SIGMOD 2010»
15 years 7 months ago
Spreadsheet as a relational database engine
Spreadsheets are among the most commonly used applications for data management and analysis. Perhaps they are even among the most widely used computer applications of all kinds. H...
Jerzy Tyszkiewicz