Department Seminars: Lecture from Associate Professor Kyriakos Mouratidis, will be held on Wednesday 26/4/2017 at 12:00 in Seminar Hall of Computer Science and Engineering Department. The title of the lecture is "Γεωμετρικές τεχνικές για κορυφαία-k (top-k) ερωτήματα". More detais you could find in the attached file.