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文本资源检索技术在西里尔蒙古文远程教育系统中的应用研究

ABSTRACT第4-6页
摘要第7-16页
Chapter 1 Distance Learning in Mongolia第16-32页
    1.1 Research background第16-21页
        1.1.1 Aim of research第18页
        1.1.2 Research innovation第18-19页
        1.1.3 Practical significance第19页
        1.1.4 Expected results第19-20页
        1.1.5 Methodology of research第20-21页
    1.2 Educational and information technology situation in Mongolia第21-27页
        1.2.1 Current situation of educational in Mongolia第21-24页
        1.2.2 Current situation of information technology in Mongolia第24-25页
        1.2.3 Current situation of distance learning in Mongolia第25-27页
    1.3 Literature review第27-30页
        1.3.1 Research on distance learning in Mongolia第27-28页
        1.3.2 Research on distance learning in the world第28-29页
        1.3.3 Development of distance learning and dynamic learning第29-30页
    1.4 Structure of dissertation第30-31页
    1.5 Conclusion第31-32页
Chapter 2 Dynamic distance learning system and database structure第32-53页
    2.1 Dynamic distance learning system and system main functions第32-35页
        2.1.1 Dynamic distance learning system第32页
        2.1.2 System main functions第32-35页
    2.2 Dynamic learning system types and technologies第35-36页
        2.2.1 Dynamic learning system types第35-36页
        2.2.2 Technologies and objectives第36页
    2.3 Promotion technologies of dynamic distance learning system第36-40页
    2.4 Dynamic distance learning system and database model第40-43页
        2.4.1 Design of dynamic distance learning system第40-41页
        2.4.2 Learning system performance audit第41-42页
        2.4.3 Dynamic distance learning system by linear algorithm program第42-43页
    2.5 Dynamic distance learning system database structure第43-45页
        2.5.1 Dynamic distance learning system第43-44页
        2.5.2 Design of database第44页
        2.5.3 Main requirements of database第44-45页
    2.6 Database structure of Mongolian Cyrillic script第45-52页
        2.6.1 E-learning text material database第46页
        2.6.2 Lexicon and suffix database第46-50页
            2.6.2.1 Lexicon第46-48页
            2.6.2.2 Suffix database第48-49页
            2.6.2.3 Form of suffixes doubled第49-50页
            2.6.2.4 Suffix specification database第50页
        2.6.3 Sub-databases第50-52页
            2.6.3.1 Proper names database第50-51页
            2.6.3.2 Abbreviations database第51页
            2.6.3.3 Stop words database第51页
            2.6.3.4 Terminology database第51-52页
    2.7 Conclusion第52-53页
Chapter 3 Extract word stem and lexical meanings in Mongolian Cyrillic script第53-76页
    3.1 Introduction第53-54页
    3.2 Word structure第54-58页
        3.2.1 Word stem and changes of word stem第56-57页
        3.2.2 Lexical meanings第57-58页
    3.3 Related works第58-60页
    3.4 Methodology第60-62页
    3.5 Orthography and types of inflecting word第62-69页
        3.5.1 Dropping vowel rule第64页
        3.5.2 Vowel harmony rule第64-65页
        3.5.3 Reduced vowel rule第65页
        3.5.4 Insertion vowel rule第65-66页
        3.5.5 Hard and soft sign rule第66-67页
        3.5.6 Distinguishing rule of 'ы' and 'ий'第67页
        3.5.7 Vowel replacement rule第67-68页
        3.5.8 Distinguishing rule of Tongue 'г' and Throat 'г'第68页
        3.5.9 Distinguishing rule of Tongue 'н' and Throat 'н'第68-69页
    3.6 Process of parsing inflectional suffixes第69-73页
        3.6.1 Morphotactic第69-70页
        3.6.2 Parsing word structure第70-71页
        3.6.3 Algorithm of parsing inflectional suffixes第71-73页
    3.7 Experiment and evaluation第73-75页
        3.7.1 Experiment data第73-74页
        3.7.2 Evaluation results第74-75页
    3.8 Conclusion第75-76页
Chapter 4 Keyword extraction in Cyrillic Mongolian script第76-92页
    4.1 Introduction第76-77页
    4.2 Keyword extraction第77页
    4.3 Related works第77-78页
    4.4 Mongolian Cyrillic script features第78-80页
    4.5 Methodology第80-84页
        4.5.1 Text processing第80-81页
            4.5.1.1 Extraction words第80-81页
            4.5.1.2 Stop words removal第81页
        4.5.2 Keywords extraction第81-83页
            4.5.2.1 Selection of frequent words第81-82页
            4.5.2.2 Calculating of probability and χ2 value第82-83页
            4.5.2.3 TF-IDF method第83页
        4.5.3 Keywords selection第83-84页
    4.6 Experiment and evaluation of keyword extraction第84-88页
        4.6.1 Evaluation methods第84-85页
        4.6.2 Experiment data第85-86页
        4.6.3 Evaluation results第86-88页
    4.7 Evaluating of keyword extraction after parse word structure第88-91页
        4.7.1 Evaluation data第88-89页
        4.7.2 Evaluation results第89-91页
    4.8 Conclusion第91-92页
Chapter 5 Optimized content extraction from learning text materials第92-110页
    5.1 Introduction第92页
    5.2 Basic training material and data distinction第92-94页
    5.3 Methodology第94-96页
        5.3.1 Text segmentation第94-95页
        5.3.2 Text separation第95-96页
    5.4 Information retrieval technologies and retrieval methods第96-102页
        5.4.1 Information retrieval technologies第97-98页
        5.4.2 Vector space model第98-100页
        5.4.3 TF-IDF algorithm for specific weigh calculation第100-101页
        5.4.4 Search algorithm for optimized content extraction第101-102页
    5.5 Experimental data selection and analysis第102-109页
        5.5.1 Experimental data selection第103页
        5.5.2 Experimental data analysis第103-109页
    5.6 Conclusion第109-110页
Chapter 6 Conclusions and suggestions第110-114页
    6.1 Conclusions第110-112页
    6.2 Suggestions第112-114页
References第114-125页
Acknowledgement第125-126页
List of published works第126-127页

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