1. Kraken: N-ary facts in open information extraction;Akbik,2012
2. Supervised opinion frames detection with RAID;Aprosio,2015
3. Sentiwordnet 3.0: An enhanced lexical resource for sentiment analysis and opinion mining;Baccianella,2010
4. Robust sentiment detection on twitter from biased and noisy data;Barbosa,2010
5. Open information extraction via contextual sentence decomposition;Bast,2013