Eftychia Baikousi is a PhD student at the Computer Science Department in the University of Ioannina, under the supervision of P. Vassiliadis. Her PhD focuses on Decision Support Systems in regards to Databases and Information Retrieval. She received her M.Sc. in Computer Science from the University of Manchester Institution Science and Technology and her B.Sc. in Mathematics in 2003 from the department of Mathematics in the University of Ioannina. So far, her research interests are data mining, databases, information retrieval. Her research interests are primarily focused in the efficient processing of top-k queries through the usage of ranking views. Apart from top-k query processing, her research includes the retrieval of OLAP cubes and textual information that are similar to each other.