摘要：A study on the concept of “personalized information filtering” system was carried out. Natural Language Processing (NLP) was used to tag the words, and metrics such as TF-IDF was used to weigh each term in the document. Relevance feedback was used to get users’ judgments. The approach promises to push relevant information directly to the user in a timely and efficient manner
关键词：Knowledge; Knowledge Management; Information;filtering; Natural Language Processing; Vector Space Model
