Information retrieval 10 information retrieval Confidential communications 1 Database management 1 Database searching 1 Database security 1 Electronic reference services (Libraries) 1 Fake news 1 Human-computer interaction 1 Informatiesystemen 1 Information behavior 1 Internet and children 1 Internet searching 1 LITERARY CRITICISM / General 1 Machine learning 1 Menselijke invloed 1 Multimedia systems 1 Natural language processing (Computer science) 1 Political science 1 Press and politics 1 Programming 1 Public opinion 1 Query languages (Computer science) 1 Querying (Computer science) 1 Ranking and selection (Statistics) 1 Reference 1 Relational databases 1 Relevance logic 1 Search engines 1 XML (Document markup language) 1