%0 Journal Article %A Adela Ljajić %A Ulfeta Marovac %T Improving Sentiment Analysis for Twitter Data by Handling Negation Rules in the Serbian Language %J Computer Science and Information Systems %D 2019 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CSIS_2019_16_1_a14/ %F CSIS_2019_16_1_a14