importance of classification in information retrieval

... most relevant for generating summaries in contex~ of an information retrieval system. 1. Words and phrases frequergly occurring in a tex~ are likely to be indicative of its content, espe- cially ... summaries of thousands of doc- uments returned by an information retrieval system. It can work in two modes: generic and topical. In the generic mode, it captures the main topic of a document; in ... processing and indexing "s[reams '~. Each stream constitutes an alternative representation of the database obtained using differenl combination of natural language processing steps....

Ngày tải lên: 20/02/2014, 18:20

... i. Belkin, N.J., Brooks, H.M., and Oddy, R.N. 1979. Representation and classification of knowledge and information for use in interactive information re- trieval. In Human Aspects of Information ... cO-OCcurrence containing a title word. Concepts in the title are likely to be the most im- portant in the text, yet are unlikely to be used often in the abstract. 4. Hyphenate phrases in the input text ... analysis, in order to incorporate insights about discourse without violating the cost -d volume constraints typical of DR systems. The modi~,cations are designed to recognize such aspects of discourse...

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Ngày tải lên: 24/03/2014, 03:20

... prevalence of gout in the USA ranges between 0.5–2.8% in men and 0.1–0.6% in women [2]. The prevalence rises to 4.4% of men and 1.8% of women over the age of 65 [4]. A two-fold increase in incidence of ... amyloidosis. The definitive diagnosis of gout is made by examination of synovial fluid aspirated from the joint. Joint aspiration is of prime importance in order to rule out infection. Conclusion This ... gouty attacks in the first metatarsophalangeal joint he was una- ware that gout could occur in his wrist. Typical presentation includes sudden onset of intense pain, redness and swelling of the joint....

Ngày tải lên: 25/10/2012, 10:06

Ngày tải lên: 05/09/2013, 09:08

... The Importance of Eye Contact in the Classroom Teachers often complain about discipline, about lack of attention, about the use of L2 in the classroom and many other problems, many of which ... without saying anything. This should remind you of how important paralinguistics is as well as helping to control your teacher talking time. ã Good eye contact does not mean staring or gazing. Many ... sonny', and in this respect is seen as having a disciplinary function. Meanwhile, the business world has accepted eye contact as an important component of achieving success in giving presentations...

Ngày tải lên: 06/09/2013, 10:10

... Overview of Reporting in the Business Information Warehouse Business Information Warehouse Terminology Reporting Made Easy 7–8 The goal of Business Content is to make relevant information ... the Business Information Warehouse? 7–2 Business Information Warehouse Architecture: An Overview 7–2 Business Information Warehouse Terminology 7–8 Business Information Warehouse Reporting Environment ... Important concepts and terminology related to the Business Information Warehouse Chapter 7: Overview of Reporting in the Business Information Warehouse Business Information Warehouse Architecture:...

Ngày tải lên: 11/12/2013, 14:15

... vòng chất dinh dưỡng, sự ngưng kết chất nitơ, quản lý sâu bệnh thống nhất v.v.), và đặc biệt nó sử dụng tốt hơn tri thức và kỹ năng của người nông dân vì vậy tăng cường sự tự tin và khả năng ... công việc kinh tế và việc nhà tạo ra gánh nặng cho họ, và (c) luật lệ và phong tục không cho phép người phụ nữ tiếp cận tới đất đai, tín dụng, đầu vào, việc làm, giáo dục, thông tin hay y tế. ... tập cá nhân và xã hội. Thay đổi kĩ thuật luôn là một quá trình phức tạp với các yếu tố sinh-lý và kinh tế - xã hội. Đó không chỉ là việc giới thiệu những khía cạnh mới của kĩ thuật mà còn...

Ngày tải lên: 16/01/2014, 21:20

... Services. Reducing the health consequences of smoking: 25 years of progress; a report of the Surgeon General. Rockville, MD: U.S. Department of Health and Human Services, CDC, Office of Smoking and ... Policy, Institute of Medicine. Defining a comprehensive school health program: An interim statement; 1995. National Academy Press: Washington, D.C. Health Education in Schools – The Importance ... UNICEF. Child poverty in perspective: An overview of child well-being in rich countries: A comprehensive assessment of the lives and well-being of children and adolescents in economically advanced...

Ngày tải lên: 14/02/2014, 13:20

... Tuberculin Testing F. Previous Vaccination with BCG G. Definition of Skin Test Conversions H. Anergy Testing in Individuals Infected with HIV VII. Classification of Persons Exposed to and/or Infected ... because of fever. Disseminated tuberculosis . Disseminated tuberculosis oc- curs because of the inadequacy of host defenses in containing tuberculous infection. This failure of containment ... method of administration Injection of too little antigen Subcutaneous injection Delayed administration after drawing into syringe Injection too close to other skin tests Factors related to reading...

Ngày tải lên: 15/02/2014, 12:20

... variable is constructed using the number of all branches of each savings bank and the number of inhabitants of the particular region the bank is operating in. The underlying intuition is that a customer ... also the following industries: communications and information; energy and water supply, mining; hotel and catering; municipalities; agriculture; banking; insurance; not for profit company. But ... key results remain robust even after explicitly controlling for internal and external ratings; relationships provide information above and beyond the existing information from internal and external...

Ngày tải lên: 16/02/2014, 06:20

... exploring the benefits of employing more sophisticated models for assign- ing weights to word features. In this paper, we examine whether term weight- ing functions adopted from Information Retrieval (IR) ... term frequency, pro- viding further support on the advantages of us- ing sublinear tf weighting functions 9 . In this set- ting, the best accuracy of 96.90% is attained using BM25 tf weights with ... analysis using subjectivity summa- rization based on minimum cuts. In In Proceedings of the ACL, pages 271–278. B. Pang and L. Lee. 2008. Opinion Mining and Senti- ment Analysis. Now Publishers Inc. Bo...

Ngày tải lên: 20/02/2014, 04:20

... pro- viding access to opinionated information in other languages (especially in Chinese) might be of great use for individuals as well as for institutions in- volved in international trade or international ... presents the results of experi- ments in which we tested different kinds of features for retrieval of Chinese opinionated texts. We assume that the task of retrieval of opinionated texts (OIR) ... for Computational Linguistics Kinds of Features for Chinese Opinionated Information Retrieval Taras Zagibalov Department of Informatics University of Sussex United Kingdom T.Zagibalov@sussex.ac.uk Abstract This...

Ngày tải lên: 20/02/2014, 12:20