Web search engines 14 Internet searching 6 Computational linguistics 2 Corpora (Linguistics) 2 Data processing 2 Information retrieval 2 Semantic web 2 Webometrics 2 World Wide Web 2 Computer networks 1 Data mining 1 Data mining. Data mining -- Case studies 1 Electronic mail systems 1 Google 1 Google (Firm) Internet industry -- United States. Web search engines -- United States 1 Google (Firm) Internet industry-United States. Web search engines -United States -History. Internet searching 1 Human-computer interaction 1 Information science 1 Information storage and retrieval systems 1 Internet 1 Internet (Computer network) 1 Internet and librarians 1 Internet marketing 1 Mathematics 1 Ratings 1 Subject access 1 User interfaces (Computer systems) 1 Web search engines--Web portals 1 Web search engines-Evaluation 1 Web services 1