Data mining Data processing Public opinion 4 Online social networks 3 Computational linguistics 2 Management 2 Natural language processing (Computer science) 2 User-generated content 2 Academic libraries 1 Airlines 1 Artificial intelligence 1 Big data 1 Boosting (Algorithms) 1 Cluster analysis 1 Communication 1 Computer programs 1 Computer-assisted instruction 1 Database management 1 Education 1 Expert systems (Computer science) 1 Fingerprints 1 Foreign exchange 1 Identification 1 Information modeling 1 Information storage and retrieval systems 1 Java (Computer program language) 1 Machine learning 1 Network analysis 1 Neural networks (Computer science) 1 Sentiment analysis 1