@conference{pontiki2015,
author = "Pontiki, Maria and Papageorgiou, Harris",
address = "Berlin",
booktitle = "Proceedings of the 12th International Conference on Greek Linguistics (ICGL 12)",
organization = "Freie Universit{\"a}t ",
title = "{O}pinion {M}ining and {T}arget {E}xtraction in {G}reek {R}eview {T}exts ",
year = "2015",
}