S-Suite: a multipart service oriented architecture for the car rental sector. - Margarita Karkali; Michalis Vazirgiannis (BCI, 2012)

Keeping keywords fresh: a BM25 variation for personalized keyword extraction. - Margarita Karkali; Vassilis Plachouras; Constantinos Stefanatos; Michalis Vazirgiannis (TempWeb, 2012)

Match the news: a firefox extension for real-time news recommendation. - Margarita Karkali; Dimitris Pontikis; Michalis Vazirgiannis (SIGIR, 2013)

Efficient Online Novelty Detection in News Streams. - Margarita Karkali; François Rousseau 001; Alexandros Ntoulas; Michalis Vazirgiannis (WISE (1), 2013)

Using temporal IDF for efficient novelty detection in text streams. - Margarita Karkali; François Rousseau 001; Alexandros Ntoulas; Michalis Vazirgiannis (CoRR, 2014)