7285 search results - page 1243 / 1457 » On Challenges for Information Management Technology |
187
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ISW
1999
Springer
15 years 10 months ago
1999
Springer
Digital watermarking has been considered as an important technique to protect the copyright of digital content. For a digital watermarking method to be effective, it is essential ...
172
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VISUAL
1999
Springer
15 years 10 months ago
1999
Springer
Abstract. Trademark image retrieval is becoming an important application for logo registry, veri cation, and design. There are two major problems about the current approaches to tr...
179
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DOLAP
1998
ACM
15 years 10 months ago
1998
ACM
Star schema has been a typical model for both online transaction processing in traditional databases and online analytical processing in large data warehouses. In the star schema,...
143
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SIGIR
1998
ACM
15 years 10 months ago
1998
ACM
We discuss two learning algorithms for text filtering: modified Rocchio and a boosting algorithm called AdaBoost. We show how both algorithms can be adapted to maximize any gene...
165
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SIGIR
1998
ACM
15 years 10 months ago
1998
ACM
Users of Web search engines are often forced to sift through the long ordered list of document “snippets” returned by the engines. The IR community has explored document cluste...