4397 search results - page 680 / 880 » Relational Algebra Operations |
117
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SC
2004
ACM
15 years 9 months ago
2004
ACM
Large datasets, on the order of GB and TB, are increasingly common as abundant computational resources allow practitioners to collect, produce and store data at higher rates. As d...
138
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CIA
2004
Springer
15 years 8 months ago
2004
Springer
Recommendation agents employ prediction algorithms to provide users with items that match their interests. In this paper, several prediction algorithms are described and evaluated...
128
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CIS
2004
Springer
15 years 8 months ago
2004
Springer
There are a lot of very important data in database, which need to be protected from attacking. Cryptographic support is an important mechanism of securing them. People, however, mu...
141
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COLT
2004
Springer
15 years 8 months ago
2004
Springer
The main goal of this paper is to prove inequalities on the reconstruction error for Kernel Principal Component Analysis. With respect to previous work on this topic, our contribu...
118
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DEXA
2004
Springer
15 years 8 months ago
2004
Springer
Abstract. In relational database management systems indexes are used to accelerate specific queries. The selection of indexes is an important task when tuning a database which is ...