International Journal of Information Studies Ashwini. P, Kavitha. S 11 4 2019 https://doi.org/10.6025/ijis/2019/11/4/113-117 http://www.dline.info/ijis/fulltext/v11n4/ijisv11n4_3.pdf Semantic web technology expands the usefulness of the digital libraries that will contain majority of data in future. This paper outlines the emerging concept of social semantic digital library and explores the potential of using semantic web technology for the digital libraries, we can also see that an overview of semantic toos and services available and different types of semantic tools and services.