486 search results - page 67 / 98 » Evaluating Top-k Queries over Web-Accessible Databases |
112
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ICDE
2006
IEEE
15 years 7 months ago
2006
IEEE
The growing sophistication and diversity of malicious activity in the Internet presents a serious challenge for network security analysts. In this paper, we describe our efforts t...
223
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ICDE
2005
IEEE
16 years 2 months ago
2005
IEEE
Data warehousing and on-line analytical processing (OLAP) are essential for decision support applications. Common OLAP operations include for example drill down, roll up, pivot an...
149
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ER
1999
Springer
15 years 5 months ago
1999
Springer
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over a set of remote data sources. A DW is intended to satisfy a set of queries. The views materi...
129
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BIODATAMINING
2008
15 years 1 months ago
2008
Background: In computer science, database systems are based on the relational model founded by Edgar Codd in 1970. On the other hand, in the area of biology the word 'databas...
118
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EDBT
2004
ACM
16 years 1 months ago
2004
ACM
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...