Arabic information extraction processes have become a popular area of research. Many methods and approaches have designed and introduced algorithms to solve the problem of morphology and stemming of Arabic language. Each researcher proposed his own standards, testing methodology and accuracy measurements to test his algorithm. Therefore, we cannot make an exact comparison between these algorithms. However, this research goes over stemming processes by explaining and discussing Arabic language characteristics and difficulties of stemming it, comparing root-based stemming, suffix and prefix -based stemming, and translation base stemming against each other, representing a modified stemming algorithm which helps go over some missing words in other algorithms. And finally, representing a new vision of Arabic stemming techniques.

Customer Relationship Management (CRM) is the process of managing a business's interaction with current and future potential customers. This instrumental case study aims to study and explain the role of social media as Electronic Customer Relationship Management tool (ECRM) in health care and tourism context by using Jordan Medical Directory company as a case study, we identified how using social media in communicating and managing customer's requirements as eCRM technique affects institution efficiency, the result proved the significant positive role of social media in managing customers relation starting from acquisition, passing by retention, and finally termination, data collected through personal and phone interviews in a time frame of one month.

Social networks are fundamentally changing the way we communicate, collaborate, consume, and create. They represent one of the most transformative impacts of information technology on business and daily life. This chapter will explain set of social network concepts and its influences in social interaction and decision making, and to determine whether individual's decision to consume a product, service, or attend an event are influenced by their interaction on social network, by studying three characteristics: Contagion, Connection, and Virtual Word of mouth. The results of this research can be used by business to enhance their relation and opportunities with their current and potential customers.

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Customer retention is the process of keeping your current customers' set satisfied and loyal to your product, successful customer retention is not only related to the applied product or services, but strongly related to how the organization provide the services and the reputation it creates within and across the marketplace. This chapter mentions four different cases of using social media to achieve customer retention. Cases will be named based on services provided by the firm, theme park, personal care business, food business, and suppling athlete tools. Also set of tips and guidelines about planning social strategy presented, finally suggested tools support different platforms were mentioned.