Maria Halkidi is Associate Professor at the Department of Digital Systems, University of Piraeus. She obtained her degree in Informatics from University of Piraeus in 1997. She received her M.Sc. and PhD degrees from Athens University of Economics and Business (AUEB) in 1999 and 2003, respectively.

She has conducted research in AUEB and CERTH (Centre for Research & Technology, Hellas) participating in several National and European-funded projects and in University of California at Riverside as a Marie-Curie fellow funded by EU. Her research research interests span diverse research areas of data and knowledge mining with emphasis on cluster validity, stream mining, graph data mining, recommender systems.

Her research work has been published in international journals (incl. VLDB Journal, IEEE TKDE, ACM TKDD) and conferences (incl. IEEE ICDM, IEEE MDM, PKDD/ECML) in the areas of data mining, knowledge discovery, data management in sensor networks and recommender systems. She has also participated in many program committees of international conferences in the areas of Data Mining and Machine Learning.