ABSTRACT
Users' cognition and information retrieval are faced with great challenges in ubiquitous knowledge environ-ment. The influence of cognitive factors such as personality traits, cognitive style and ability, knowledge structure and ascribed methods on users' information retrieval behaviors was thus analyzed. It was pointed out that different cognitive factors could influence the retrieval, judgment and absorption of its results,users' satisfaction and continuous use in ubiquitous knowledge environment,with suggestions put forward from the aspects of information retrieval education, information service and information users for improving the users ' knowledge system in knowledge assimilating process by working out effective retrieval strategies using the advantages of cognition.
ABSTRACT
The online teaching quality assessment system that was established by embedding the professional knowledge into the teaching of literature retrieval course, can help the students master the methods and skills to ac-cess and use the literature information they need and the basic knowledge of subjects in which they major .