@incollection{, 7CBF2B9A70541353255103B2FE52B870 , author={{K. S.Niraja} and {B. RamanaReddy} and {B. RamanaReddy} and {Muffakhamjah College of Engineering}}, journal={{Global Journal of Computer Science and Technology}}, journal={{GJCST}}0975-41720975-435010.34257/gjcst, address={Cambridge, United States}, publisher={Global Journals Organisation}1623334 } @book{b0, , title={{Matrices, vector spaces, and information retrieval}} , author={{ MWBerry } and { ZDrmac } and { ERJessup }} , year={1999} , publisher={Society for Industrial and Applied Mathematics} 41 } @book{b1, , title={{The effects of query-based sampling on automatic database selection algorithms}} , author={{ JCallan } and { ALPowell } and { JCFrench } and { MConnell }} CMU-LTI-00-162 , year={2000} Language Technologies Institute, School of Computer Science, Carnegie Mellon University , note={Technical Report} } @incollection{b2, , title={{Server selection on the World Wide Web}} , author={{ NCraswell } and { PBailey } and { DHawking }} , booktitle={{Proceedings of the fifth ACM conference on Digital libraries}} the fifth ACM conference on Digital librariesSan Antonio, Texas, United States , publisher={ACM Press} , year={2000} } @book{b3, , title={{Web Based Collection Selection Using Singular Value Decomposition School of Software Engineering and Data}} , author={{ JohnKing } and { YuefengLi }} , address={Australia} Communications Queensland University of Technology QLD 4001 } @incollection{b4, , author={{ NZhong } and { JLiu } and { YYao }} , booktitle={{Search of the Wisdom Web}} , year={November 2002} 35 } @book{b5, , title={{}} , author={{ References Références Referencias }} } @incollection{b6, , title={{US) Guidelines Handbook}} , journal={{Global Journals Inc}} , year={2016} }