Classification / Regression	Clustering / Mixture models	Density estimation
Time series prediction	Anomaly detection	Decision Support
Multivariate models	Learning with missing data	Probabilistic reasoning

techniques

Bayesian networks can be used for a variety of tasks, some of which are listed below.

Classification
Regression
Clustering / Mixture models / Segmentation / Density Estimation
Time series prediction
Anomaly detection
Decision Support
Multivariate models
Learning with missing data
Probabilistic reasoning

Bayes Server has an advanced library (API) for Bayesian networks which can be called by .NET languages such as C#, F#, VB.NET, managed C++, and many others. Check out these tips for writing numerical code in .NET.