Open Relation Extraction for Polish: Preliminary Experiments Jakub Piskorski author 2015-09 text The 5th Workshop on Balto-Slavic Natural Language Processing Jakub Piskorski editor Lidia Pivovarova editor Jan Šnajder editor Hristo Tanev editor Roman Yangarber editor INCOMA Ltd. Shoumen, BULGARIA Hissar, Bulgaria conference publication piskorski-2015-open https://aclanthology.org/W15-5305/ 2015-09 34 39