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SIGMOD
2001
ACM
229views Database» more  SIGMOD 2001»
15 years 10 months ago
A Robust, Optimization-Based Approach for Approximate Answering of Aggregate Queries
The ability to approximately answer aggregation queries accurately and efficiently is of great benefit for decision support and data mining tools. In contrast to previous sampling...
Surajit Chaudhuri, Gautam Das, Vivek R. Narasayya
IDEAS
2002
IEEE
135views Database» more  IDEAS 2002»
15 years 2 months ago
On Implicate Discovery and Query Optimization
Boolean expression simplification is a well-known problem in the history of Computer Science. The problem of determining prime implicates from an arbitrary Boolean expression has...
Kristofer Vorwerk, G. N. Paulley
EDBT
2009
ACM
135views Database» more  EDBT 2009»
15 years 2 months ago
Provenance for nested subqueries
Data provenance is essential in applications such as scientific computing, curated databases, and data warehouses. Several systems have been developed that provide provenance fun...
Boris Glavic, Gustavo Alonso
COMAD
2008
14 years 11 months ago
Native Multidimensional Indexing in Relational Databases
In existing database systems there is a strong need for searching data according to many attributes. In commercial database platforms, the standard search over multiple attributes...
David Hoksza, Tomás Skopal
DEBU
2010
205views more  DEBU 2010»
14 years 10 months ago
Spatio-Temporal Stream Processing in Microsoft StreamInsight
Microsoft StreamInsight is a platform for developing and deploying streaming applications. StreamInsight embraces a temporal stream model to unify and further enrich query languag...
Mohamed H. Ali, Badrish Chandramouli, Balan Sethu ...