Abstract: This invention discloses a system for determining whether a purported or alleged authorized user is in fact the authorized user, by comparing new data on a real-time basis against probability distribution representations including an authorized user probability distribution representation and a global or wide population probability distribution representation, to provide a probability as to whether the purported authorized user is the authorized user. This invention may utilize keyboard dynamics or data, or X-Y device data, or other data from similar measurable characteristics, to determine the probability that the new data from the purported authorized user indicates or identifies that user as the authorized user. This invention identifies the user continuously as the user interacts with the system and to identify a change in situation in the environment of the user.

Abstract: This invention discloses a system for determining whether a purported or alleged authorized user is in fact the authorized user, by comparing new data on a real-time basis against probability distribution representations including an authorized user probability distribution representation and a global or wide population probability distribution representation, to provide a probability as to whether the purported authorized user is the authorized user. This invention may utilize touch dynamics or data, or other data from similar measurable characteristics, to determine the probability that the new data from the purported authorized user indicates or identifies that user as the authorized user. This invention uses the same data to determine the probability for the most optimal position and sizes for user interface components.

Abstract: Data processing apparatus and methods are described. According to one embodiment, a data processing method includes identifying a plurality of tokens for a plurality of data items, first selecting some of the tokens of the data items as being indicative of content of respective ones of the data items, after the first selecting, combining the first selected tokens with other content of the data items to form combined tokens, and after the combining, second selecting some of the tokens including at least one of the combined tokens as being indicative of content of the data items.