Introduction to Modern Information Retrieval, 3rd Edition

摘要: An information retrieval (IR) system is designed to analyse, process and store sources of retrieve those that match a particular user's requirements. A bewildering range techniques now available the professional attempting successfully information. It recognized today's professionals need concentrate their efforts on learning computerized IR. However, it this book's contention also benefits them learn theory, tools constitute traditional approaches organization processing In fact much knowledge may still be applicable in storage electronic digital library environments. The fully revised third edition highly regarded textbook has been thoroughly updated incorporate major changes rapidly expanding field since second 2004, complete new chapter citation indexing added. Unique its scope, book covers whole spectrum retrieval, including: introduction options; database technology; bibliographic formats; cataloguing metadata; subject analysis representation; automatic file organization; vocabulary control; abstracts indexing; searching retrieval; seeking retreval models; user interfaces; evaluation IR needs; online search services; multimedia IR; mark-up languages; web A; intelligent natural language systems; libraries; and, trends research. Illustrated with many examples comprehensively referenced for an international audience, indispensable students studies. invaluable aid practitioners wishing brush up skills keep date latest techniques.