Ever wondered, what algorithm google uses to maximize its target ads revenue ? What about the e-commerce websites which advocates you through options such as people who bought this also bought this. Or How does Facebook automatically suggest us to tag friends in pictures? The answer is Recommendation Engines. With the growing amount of information on world wide web and with significant rise number of users, it becomes increasingly important for companies to search, map and provide them with the relevant chunk of information according to their preferences and tastes.
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