البحث بالاتصال المباشر قواعد البيانات و استراتيجيات البحث

Abstract

The subject of this study is summarized in the online search services which describes how information retrieved instantly from the computerized databases & catalogues , where it be in local databases or in (CD- ROMs) or on the Internet . The online search services being distinguished due to the convergence between the information & the telecommunication technologies that have made many databases available in advance stage of multimedia which added new elements of text , sound , image & animation . The study is to display the integral organization process of tags & attributes in the databases , then the electronic processing of data . Besides , the search strategies applied for more efficiency in retrieving information , & the use of boolean logic to tighten or broaden search process & measure its impact on search results & the good query formulation by following certain stages & procedures . The study also emphases on the aspects of the administrative factors of the search services such as planning the use of services , educating & training users to attain more practical knowledge & to encourage organizing training sessions . Acquiring knowledge about online search is important for end users because it provide then with information . Sometimes researchers are unaware of how to search , & they know nothing about the place of search itself . They have to be aided by the information specialist . However the more they practice , the more experience they well gain . Many information services have been developed by the online search . The study recommends designing a database to develop loan services within (CDS / ISIS) . The online search is available in many different databases in the academic institutions accessible for the scientific research purposes . In addition , text retrieval packages provide easy retrieval facilities & good search strategies using the selection lists & the boolean search tools . The increasing use of information technology enabled users to interact with it & create anew promising social class known as information society .