The Mean Squared Differences Algorithm. MIT EECS M. Eng. They are up there. Not really my thing. Ringo s scale for rating music.
People describe their listening pleasures to the system by rating some music.
These ratings constitute the person s profile. This profile changes over time as the user rates more artists. Figure 4 provides an example of Ringo s suggestions. Every recommendation includes a measure of confidence which depends on factors such as the number of similar users used to make this prediction, the consistency among those users values, etc. Ringo s reply does not include any information about the identity of the other users whose profiles were used to make the recommendations.