Various methods for modeling personalized contexts are provided. One example method includes accessing a context data set comprised of a plurality of context records. The context records may include a number of contextual feature-value pairs. The example method may also include generating at least one grouping of contextual feature-value pairs based on a co-occurrence of the contextual feature-value pairs in context records, and defining at least one user context based on the at least one grouping of contextual feature-value pairs. Similar and related example methods and example apparatuses are also provided.