APML) (Attention Profiling Mark-up Language) is a format based on XML. This format, similar to OPML, but with the aim of creating a possibility to share the profile of "approach", a user has been developed.

profile approaches a user set of the entries, titles, or resources that the user about the they leave a positive or negative bias, along with a numeric that represents the level of user interest to each of these entries, titles, or resources.