My interests include Information Retrieval, Image Processing, Distributed Systems and Digital Libraries.
Τα ενδιαφεροντα μου είναι τεχνολογίες Ανάκτησης Κιμένων, Επεξεργασίας εικόνας, Κατανεμημένων συστημάτων και Ψηφιακών Βιβλιοθηκών.
An aggregation of encyclopedia and search engines, not a real Question Answering Engine.
An Artificial intelligence approach is START.
A new player is Wolfram Alpha
Here is Wikipedia
and Google: