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The big data revolution has gained global attention and initiated creative innovations in every field and libraries as engines of access to information have also been affected by this new trend. Libraries in this part of the world have not utilized the amazing potential of big data in library services. In this time, when various terms such as algorithms age, petabytes age, data age, etc. are been used to describe the activities initiated by machine learning, industries and organizations can achieve much by incorporating inspiring and innovative tools to improve services and performance. In this vein libraries in Nigeria are expected against all odds to make their services more interactive, attractive, innovative, and exciting by utilizing cloud technologies and machine learning techniques to create recommender services. This paper titled "Utilizing the Potentials of Big Data in Nigeria Library Environments by Recommender Services", focuses on the concept and characteristics of big data and its importance in complementing traditional library services, areas for applying big data systems in libraries, the concept of recommender systems and how it works, adopting recommender systems in libraries for maximum benefits, tools, and techniques for setting up big data recommender systems in libraries, challenges of big data recommender systems in libraries in Nigeria and strategies for overcoming big data challenges in library systems. The paper is based on a contextual analysis of literature from various scholarly works. The paper will also proffer recommendations based on the study. [ABSTRACT FROM AUTHOR]

Academic libraries are meant to acquire, provide and disseminate information resources to satisfy their patron's information needs. A potent means in which librarians in academic libraries can optimize for their work and services as well as maintain their relevance is through social media. The purpose of this paper is to expose library and information personnel in academic libraries to the effective utilization of social media as an effective tool for re-defining and transforming academic library services in the 21st century. The specific objectives are to identify the types of social media used for effective library service provision in academic libraries, to identify the roles of social media in libraries, to identify the skills needed by librarians to effectively sustain library services through social media, to identify the major challenges associated with social media as a tool for service delivery and to develop strategies for effective adoption and utilization of social media as a tool for library service delivery. The methodology adopted is content analysis. The study was done by related literature review in which related articles on social media in academic libraries were analyzed. Hence, the study reviewed and analyzed the content of 21 articles in which topical issues based on this paper were addressed. The study revealed that social media are powerful tools that can enhance and promote library services. To be able to stay relevant in the socially networked environment and meet the growing needs of its patrons in the 21st century, it has become imperative for academic libraries to explore and adopt social media, which has become a library technology that has the capacity to expand the frontiers of library service delivery as well as to reach the hitherto unreached categories of patrons. The study recommended that academic libraries personnel should efficiently explore and adopt various social media platforms that are suitable for their community so as to grow the visibility and social media presence of their libraries and as well, reach out to every member of their community. Furthermore, adequate budgetary provision for the purchase and maintenance of technologies and facilities to effectively drive the social media implementation for service delivery is imperative. [ABSTRACT FROM AUTHOR]