Answer:
A: used by ISP's to filter out email SPAM
C: a way to help an individual focus on best choices when deciding what to watch or buy.
Explanation:
Collaborative filtering uses a community-based approach to filter spam. It works by collecting numerous email users from around the world. By doing this, it becomes possible for users to flag emails that are spam and those that are legitimate.
Also Collaborative Filtering is one of the most efficient techniques for building a system that can help a user when it comes to recommending best choices based on information from a large number of users.
Tax preparation software can help prepare and file your taxes by April 15.
Italics
Italics
Italics
Italics
Answer: A search engine normally consists of four components e.g. search interface, crawler (also known as a spider or bot),indexer, and database. The crawler traverses a document collection, deconstructs document text, and assigns surrogates for storage in the search engine index.
Explanation: