1. } Becker, H., Naaman, M., and Gravano, L. (2011). Beyond trending topics: Real-world event identification on twitter;Becker;ICWSM,2011
2. } Brizan, D. G. and Tansel, A. U. (2006). A. survey of entity resolution and record linkage methodologies;Brizan;Communications of the IIMA,2006
3. Sub-event based multi-document summarization
4. {Giannakopoulos 2009} Giannakopoulos G. (2009). Automatic Summarization from Multiple Documents. Ph. D. dissertation University of the Aegean Department of Information and Communication Systems Engineering. {Giannakopoulos 2009} Giannakopoulos G. (2009). Automatic Summarization from Multiple Documents. Ph. D. dissertation University of the Aegean Department of Information and Communication Systems Engineering.