information retrieval can be achieved through computerized processes by generating a list of relevant responses to a query. the document processor, matching function and query analyzer are the main components of an information retrieval system. document retrieval system is fundamentally based on: boolean, vector-space, probabilistic, and language models. in this paper, a new methodology for mat...

introduction:the human being always attempts to find a way to improve his physical and mental abilities. history shows that, despite the many promotions in every branch of science and technology, we cannot see much improvement in thinking abilities. with the advent of the iinternet and www, many thought that the problem will be solved. but nowadays we can see that the main problem remains: the ...

Information retrieval systems help filter information, so that the process of finding suitable information becomes fast and precise, but there are ways to find more effectively efficiently with using bibliometric methods VOSviewer application. The research objectives map trends results on topic system in library, library based co-authorship, co-occurrence. method uses descriptive analysis by Sc...