126 search results - page 19 / 26 » kdd 2007 |
KDD
2007
ACM
14 years 11 months ago
2007
ACM
We consider the problem of estimating occurrence rates of rare events for extremely sparse data, using pre-existing hierarchies to perform inference at multiple resolutions. In pa...
KDD
2007
ACM
14 years 11 months ago
2007
ACM
Previous work on text mining has almost exclusively focused on a single stream. However, we often have available multiple text streams indexed by the same set of time points (call...
KDD
2007
ACM
14 years 11 months ago
2007
ACM
We consider the problem of detecting anomalies in high arity categorical datasets. In most applications, anomalies are defined as data points that are 'abnormal'. Quite ...
KDD
2007
ACM
14 years 11 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, ...
KDD
2007
ACM
14 years 11 months ago
2007
ACM
We focus on large graphs where nodes have attributes, such as a social network where the nodes are labelled with each person's job title. In such a setting, we want to find s...