1. Delmonte, R., Tripodi, R., Gîfu, D. Opinion and factivity analysis of italian political discourse. In: Proceedings of the 4th edition of the Italian Information Retrieval Workshop (IIR 2013), pp. 88–99. Pisa, Italy, CEUR-WS on-line Proceedings Series (2013)
2. Popescu, O., Strapparava, C.: Behind the times: detecting epoch changes using large corpora. In: International Joint Conference on Natural Language Processing, pp. 347–355. Nagoya, Japan (2013)
3. Gifu, D.: Contrastive diachronic study on romanian language. In: Proceedings FOI-2015, S. Cojocaru, C. Gaindric (eds.), Institute of Mathematics and Computer Science, pp. 296–310. Academy of Sciences of Moldova (2015)
4. Popescu, O., Strapparava, C.: Time corpora: epochs, opinions and changes. Knowl. Based Syst. 69, 3–13 (2014)
5. Amarandei, S., Fleșcan, A., Ioniță, G., Turcu, R., Trandabăț, D., Gîfu, D.: Key Biomedical Concepts Extraction. In: Gîfu, D., Trandabăț, D. (Eds.). Proceedings of the International Workshop on Curative Power of Medical Data, D. Gîfu and D. Trandabăț (Eds.). “Alexandru Ioan Cuza,” pp. 21–26 University Publishing House, Iași (2017).