Institute of Informatics hosted on the 21st of April, as part of CEEPUS program, a guest lecturer from Bulgaria, assoc. prof. dr. Elena Somova, from the University of Plovdiv, Department of Computer Science. During her visit she presented a lecture for the 1st year students of our higher education program ITK (Information and Communication Technology), on the topic of integrated queries using programming language or functional programming in C # .LINQ.