716 search results - page 71 / 144 » Optimizing Queries in Extended Relational Databases |
100
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AIR
2006
14 years 11 months ago
2006
Abstract Storing and retrieving time-related information are important, or even critical, tasks on many areas of Computer Science (CS) and in particular for Artificial Intelligence...
SIGMOD
1999
ACM
15 years 3 months ago
1999
ACM
In large data warehousing environments, it is often advantageous to provide fast, approximate answers to complex aggregate queries based on statistical summaries of the full data....
188
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ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
Materializing results from complex aggregation queries helps to significantly improve response times in OLAP servers. This problem is known as the view selection problem: choosing ...
132
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EDBT
1992
ACM
15 years 2 months ago
1992
ACM
The DBGraph storage model, designed for main memory DBMS, ensures both data storage compactness and efficient processing for all database operations. By representing the entire da...
210
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SIGMOD
2009
ACM
15 years 11 months ago
2009
ACM
Empowering users to access databases using simple keywords can relieve the users from the steep learning curve of mastering a structured query language and understanding complex a...