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The BayesiaLab Web Simulator is a new solution which allows you to share interactive models with your audience, without having to install any software on the their computer. 

The BayesiaLab Simulator uses your .xbl file to create a web page that is specific to your network. You can designate which nodes are accessible as Input Nodes and Output Nodes. Once the network is published, the BayesiaLab Simulator utilizes the Bayesia Engine API to perform inference in your network. This allows anyone to enter observations/evidence for the nodes in your network via the web. The BayesiaLab Simulator's web interface is responsive, thus allowing even tablet or smartphone users to work dynamically with your published network. Whenever evidence is set, the user will immediately see updated probability distributions of the Output Nodes.


Here is a Bayesian network that shows the links between numerous vehicle components that are implicated with regard to engine start. These components can either be causes

The XBL file contains:

  • the Bayesian network that will be use for probabilistic inference
  • the Input and Output nodes, along with the type of monitor to use (gauge, slider, text)
  • the images that will be associated with each monitor
  • the comment that describes the model

There are two kind of simulators: the public simulators that are accessible to anybody, and the private simulators for which the access is restricted to the users that have the model's identifier and its password.

A few public simulators are automatically included with your BayesiaLab license. The private ones are available at the Bayesia Store in different packages (5, 10, 20, 50 and 100).