Date of this Version
Big data refers to the explosion of available information and knowing how to handle it is a big challenge to librarians in this age. The massive sample size and high dimensionality of big data introduce unique challenges to librarians, including scalability, sharing, intellectual properties and storage bottleneck. This paper overviews the opportunities and challenges brought by big data to librarians and presents ways of making data available for everyone to use without limitations, with emphasis on the distinguished roles librarians need to play in the era of Big Data and Openness to scholarly communications and, also presents the precision and recall scores of the articles. Future works can extend the search domain to predict the accuracy of the information retrieving processes.