One Drawback of Collaborative Filtering (CF) Is That

question 41

Multiple Choice

One drawback of collaborative filtering (CF) is that:

• A) it does not work well for a single product category.
• B) it needs a large sample of users and content to work well.
• C) it can accept inputs from only one data source at a time.
• D) it is not useful for making recommendations across related as well as unrelated categories.

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Definitions:

Linear Regression Equation

An equation that describes the linear relationship between two or more variables, typically involving a dependent variable and one or more independent variables.

Independent Variable

A variable in an experiment or model that is manipulated to observe its effect on a dependent variable.

Predictor Variable

A variable used in statistics and modeling that forecasts or predicts the outcome of a dependent variable, also known as an independent variable.

Second-order Polynomial

A polynomial of degree two, typically expressed as \(ax^2 + bx + c\), which represents a quadratic function.