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I was Professor of Informatics until February 2024 and taught reading courses for doctoral students on information systems, theoretical Computer Science, and Web data-processing. Previously, I used to teach the graduate course: “Theory of Data and Knowledge Bases”. I love supervising doctoral students and preparing them for a research career. At the College level, I act as advisor for graduate students.

My research deals with algorithms and complexity of problems in the following areas: Graph theory, databases, query languages, semi-structured data, constraint satisfaction, games and auctions, structural problem decompositions, knowledge representation and reasoning, AI, and computational logic. I am, moreover, interested in both theoretical and practical aspects of web data extraction. I am currently the Principal Investigator of the which aims to automatically extract structured data from websites of specific application domains. In the context of this project, we are, for example, building a system that can automatically navigate real-estate websites, extract all the properties for sale or for rent, and load the data into a database. Similar systems for other application domains will follow.