Many scientific problems entail labeling data items with one of a given, finite set of classes based on features of the data items. For example, oncologists classify tumors as different known cancer ...

Tree and sequence alignment visualizations have a long history. Evolutionary tree diagrams can be found in even the earliest descriptions of evolution, and their visualization still plays a key role ...

Business owners have to make decisions every day on issues fraught with uncertainty. Information is not perfect, and the best choice is not always clear. One way to handle these vague situations is to ...