Binary Classification A type of classification task where the goal is to assign one of two possible labels to each input. It is commonly used for tasks like spam detection or medical diagnoses (e.g., yes/no, positive/negative).

Sentiment Analysis A task in which sentiment analysis systems (SASs) assign one or more numbers to convey the polarity and emotional intensity of a given piece of text. It is often used in product reviews or social media analysis.

Group Recommendation [Teaming] A task that recommends items or actions to a group of people rather than individuals, based on their collective preferences. It is used to facilitate group decision-making or team formation, like suggesting activities for a group of friends.

Time-series Forecasting A task of using past data to predict future values. It looks at patterns and trends over time to make informed guesses about what will happen next. It is used in applications like stock market prediction and weather forecasting.