Beginning with the characteristics of information resources on the Internet,this article discusses the characteristics of information retrieval on the Web and the development trend of the information retrieval based on the Internet.The relationship and differences among traditional information retrieval,data mining and text mining are emphasized.
Beginning with its definition,this article analyzes the background of metadata.Then,it elaborates the researches on the transformation between metadata and USMARC and points out the possibility of the transformation and feasibility of using USMARC to catalog the network information resources.Finally,the article analyzes the relationship and difference between metadata and cataloging data.
