个性化元搜索引擎研究与设计.docx

山东科技大学硕士学位论文

Contents
1 INTRODUCTION..................................................................................................................................1
INTRODUCTION..........................................................................................................................................1
THE DEFINITION OF USER PROFILE............................................................................................................2
THE REPRESENTATION OF WEB DOCUMENT MODEL.................................................................................. 2
CURRENT RESEARCH OF META SEARCH ENGINE..................................................................................... 3
MAIN RESEARCH CONTENT....................................................................................................................... 8
2 THE REPRESENTATION OF USER INTEREST MODEL.................................................. 10
THE REPRESENTATION OF USER PROFILE.................................................................................................10
THE REPRESENTATION OF WEB DOUCUMENT.......................................................................................... 12
PUTATION OF SIMILARITY......................................................................................................... 13
3 THE CONSTRUCTING AND UPDATING OF USER PROFILE........................................ 15
THE CONSTRUCTING OF USER PROFILE................................................................................................... 15
THE UPDATING OF USER PROFILE............................................................................................................ 16
4 THE DESIGN OF PERSONALIZED META SEARCH ENGINE S4U.............................. 21
USER INTERFACE AGENT.........................................................................................................................