This paper describes the functions,characteristics and operating principles of search engines based on Web text,and the searching and data mining technologies for Web-based text information.Methods of computer-aided t...This paper describes the functions,characteristics and operating principles of search engines based on Web text,and the searching and data mining technologies for Web-based text information.Methods of computer-aided text clustering and abstacting are also given.Finally,it gives some guidelines for the assessment of searching quality.展开更多
文摘This paper describes the functions,characteristics and operating principles of search engines based on Web text,and the searching and data mining technologies for Web-based text information.Methods of computer-aided text clustering and abstacting are also given.Finally,it gives some guidelines for the assessment of searching quality.
