Abstract

Abstract:-A selective Dissemination information(SDI) system attempts to facilitate users information retrieval and informationfiltering needs with the rise of the interest as an information source .It alsodiscusses some finally the paper explores some possible requirements forperforming online SD service. The goal of an SDI system is to deliver newinformation arriving at an SDI aware information Provider to users who express.Their interests via user Profiles.

KEYWORDS;- SDI INFORMATION, Services Systems, Matching Process