903 search results - page 166 / 181 » Non-well-founded trees in categories |
172
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KDD
2007
ACM
16 years 2 months ago
2007
ACM
The proliferation of malware has presented a serious threat to the security of computer systems. Traditional signature-based antivirus systems fail to detect polymorphic and new, ...
132
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KDD
2007
ACM
16 years 2 months ago
2007
ACM
Dimension attributes in data warehouses are typically hierarchical (e.g., geographic locations in sales data, URLs in Web traffic logs). OLAP tools are used to summarize the measu...
117
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KDD
2006
ACM
16 years 2 months ago
2006
ACM
We describe a data mining system to detect frauds that are camouflaged to look like normal activities in domains with high number of known relationships. Examples include accounti...
105
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KDD
2003
ACM
16 years 2 months ago
2003
ACM
We describe techniques for combining two types of knowledge systems: expert and machine learning. Both the expert system and the learning system represent information by logical d...
226
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POPL
2008
ACM
16 years 2 months ago
2008
ACM
alyses are concerned with precise abstractions of the heap to capture detailed structural properties. To do so, they need to build and decompose summaries of disjoint memory regio...