TY - JOUR AU - Adela Ljajić AU - Ulfeta Marovac TI - Improving Sentiment Analysis for Twitter Data by Handling Negation Rules in the Serbian Language JO - Computer Science and Information Systems PY - 2019 VL - 16 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CSIS_2019_16_1_a14/ ID - CSIS_2019_16_1_a14 ER -