Effective metrics of a dynamic expert recommendation system for web documents and products웹기반 전문가 문서 상품 추천시스템의 유효 메트릭

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We introduce a new concept to evaluate Web documents and products through human computer interaction. In the initial stage, evaluation data by general users for Web documents and products are difficult to collect. The citation frequency can be a good measure for document evaluation. Many automatic ranking systems have used this citation system to measure the relative importance of consumer products or documents. However, the automatic citation analysis has a limitation; it does not truly reflect the importance of the varying viewpoints of human evaluation. Therefore, human expert evaluations of Web documents and products are very helpful in finding relevant information in a specific domain, especially in the initial stage. Our contributions are developing the four metrics for finding the closeness between the expert’s evaluation and user’s evaluation. When there is an inadequate data for the general user’s opinion we propose a recommendation system. By using all 4 metrics, the evaluation effectiveness measure for ranking processes is measured. This shows that the system is improving and getting closer to a system based on the general user’s opinion. The current method of ranked retrieval and the resultant presentation methods are inadequate for fulfilling the significant number of queries where users wish to learn about a new topic or retrieve information to facilitate analysis or decision making. In order to meet these user demands, search engines must provide services that serve various kinds of information beyond the traditional lookup. Nowadays, weblogs have become very popular and advances in search technology have paved the way for more novel methods of retrieving information, inferring queries and guidance towards the exact results. The evaluation of weblogs based on Human-Computer interaction is a new method, which has become a popular in the internet survey. Therefore, based on the Human-Computer interaction, human expert evaluations of web d...
Advisors
Chung, Chin-Wanresearcher정진완researcher
Description
한국과학기술원 : 정보및통신공학학제전공,
Publisher
한국과학기술원
Issue Date
2007
Identifier
301339/325007  / 000949525
Language
eng
Description

학위논문(박사) - 한국과학기술원 : 정보및통신공학학제전공, 2007.8 , [ xi, 110 p. ]

Keywords

Recommendation system; Collaborative Filtering; Information search & retrieval; End-user Evaluation; Expert system; Decision model; 추천 시스템; 협업 필터링,정보 추출,사용자 평가,전문가 시스템,결정 모델; Recommendation system; Collaborative Filtering; Information search & retrieval; End-user Evaluation; Expert system; Decision model; 추천 시스템; 협업 필터링,정보 추출,사용자 평가,전문가 시스템,결정 모델

URI
http://hdl.handle.net/10203/39844
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=301339&flag=dissertation
Appears in Collection
ICE-Theses_Ph.D.(박사논문)
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