Web Search Overview Crawling IR Information Retrieval "Information retrieval is a field concerned with the structure, analysis, organization, storage, searching, and retrieval of information. "(Salton, 1968) General definition that can be applied to many types of information and search applications Primary focus of ir since the 50s has been on text and documents 4Web Search Overview & Crawling 4 Information Retrieval ▪ “Information retrieval is a field concerned with the structure, analysis, organization, storage, searching, and retrieval of information.” (Salton, 1968) ▪ General definition that can be applied to many types of information and search applications ▪ Primary focus of IR since the 50s has been on text and documents IR