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» Designing Data Warehouses
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IS
2006
15 years 4 months ago
Incremental maintenance of aggregate and outerjoin expressions
Views stored in a data warehouse need to be kept current. As recomputing the views is very expensive, incremental maintenance algorithms are required. Over recent years, several i...
Himanshu Gupta, Inderpal Singh Mumick
SIGKDD
2008
107views more  SIGKDD 2008»
15 years 3 months ago
A privacy-aware trajectory tracking query engine
Advances in telecommunications and GPS sensors technology have made possible the collection of data like time series of locations, related to the movement of individuals. The anal...
Aris Gkoulalas-Divanis, Vassilios S. Verykios
ICCS
2003
Springer
15 years 9 months ago
Data Driven Design Optimization Methodology: A Dynamic Data Driven Application System
Engineering design optimization using concurrent integrated experiment and simulation is a Dynamic Data Driven Application System (DDDAS) wherein remote experiment and simulation c...
Doyle D. Knight
145
Voted
SIGMOD
1998
ACM
121views Database» more  SIGMOD 1998»
15 years 8 months ago
New Sampling-Based Summary Statistics for Improving Approximate Query Answers
In large data recording and warehousing environments, it is often advantageous to provide fast, approximate answers to queries, whenever possible. Before DBMSs providing highly-ac...
Phillip B. Gibbons, Yossi Matias
DEBU
2010
129views more  DEBU 2010»
15 years 1 months ago
Flash in a DBMS: Where and How?
Over the past decade, new solid state storage technologies, with flash being the most mature one, have become increasingly popular. Such technologies store data durably, and can a...
Manos Athanassoulis, Anastasia Ailamaki, Shimin Ch...