Mining opinions about products in the business domain has been getting a lot of attention now days, and therefore benefiting both businesses as well as customers. The opinions expressed by the users or customers on products making use of multiple platforms of social media and e-commerce sites can help the potential customers to determine which product is good for them or not and at the same time helping the businesses to determine the costumer's views about their products. The mobile phones is a type of product type which is high in demand in current times and people are very much interested...

Hadoop, the Apache Software Foundation's open source and Java-based implementation of the Map/Reduce framework, is a distributed computing framework designed for data-intensive distributed applications. It provides the tools for processing vast amounts of data using the Map/Reduce framework and, additionally, it implements a distributed file-system similar to Google's file system. It can be used to process vast amounts of data in-parallel on large clusters in a reliable and fault-tolerant fashion. For a long time Java is being used by many programmers for processing data. In this book we have...