Soccer 24 Soccer players 7 Sports 7 Soccer for children 5 Training 5 Coaching 4 Arts 2 Brazil 2 Computational linguistics 2 History 2 Management 2 Natural language processing (Computer science) 2 Ontologies (Information retrieval) 2 Physical Education 2 Physical education 2 SPORTS & RECREATION / Soccer 2 Soccer managers 2 Social aspects 2 Success in business 2 World Cup (Soccer) 2 Athletic Injuries 1 Athletic Performance 1 Athletic ability 1 Ball Games 1 Ball games 1 Blunt trauma 1 Business 1 Dissertation Physical Education 1 Dissertations, Academic(Ph.D) 1 Educational game 1