信息检索中的查询扩展及相关技术研究.pptx

National Language Resources Monitor&Research National Language Resources Monitor&Research Center(Network Media)Center(Network Media)Maoyuan ZhangMaoyuan ZhangCentral China Normal UniversityCentral China Normal UniversityIntroducionNational Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)Main Research InterestingMain Research Interesting BackgroundBackground OutlineOutlineMonitor&Research CenterMonitor&Research CenterNational Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)Background Background uBachelor 1993-1997,Shanghai Jiao Tong University(上海交通大學),Department of Electronic Engineeringbachelors degree thesis is supervised by professor Junfa Mao（毛軍發）Professor mao has gotten“Yangtze Fund Scholar”（長江學者）National Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)BackgroundBackgrounduPh.D 2002-2005,Huazhong University of Science and Technology(華中科技大學),School of Computer Sciences and TecchnologyThesis is supervised by professor Zhengding Lu(盧正鼎)National Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)Background Background uProfessional Experience2005-2008,Huazhong University of Science and Technology,working as Associate professor2008-now,Central China Normal University(華中師範大學),working as Associate professor,and as the vice dean of Department of Computer Science National Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)Main Research InterestingMain Research Interestingu2002-2005Information ExtractionJoining in my supervisors project u2005-2008Conceptual ExpansionIn charge of a Project of China Postdoctoral Science Foundation(中國博士後科學基金)National Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)Example of Conceptual ExpansionExample of Conceptual Expansion 5.母亲:1.000000;6.娘:0.720000;7.娘亲:1.000000;National Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)Main Research InterestingMain Research Interestingu2008-nowinformation retrieval based on concept expansionIn charge of Project of the National Natural Science Foundation(國家自然科學基金),to paraphrase the query in the same sense.monitoring of hot topicsIn charge of Project of Chinas National Linguistics Work Committee(國家語委十一五項目),National Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)Example of Example of monitoring of hot topicsmonitoring of hot topicsuPursuing hot topics,its relate keyword,its summarization,and its documents National Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)Monitor&Research CenterMonitor&Research CenteruName of my centerNational Language Resources Monitor&Research Center(Network Media)國家語言資源監測與研究中心(網絡媒體分中心)uOutstanding worksA Large scale corpuslanguage situation in chinaChinese inventory National Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)MonitoringMonitoring Corpus of Corpus of Network MediaNetwork MediaSohuSina163QQTomWeb SiteNewsCorpusBlogsCorpusBBSCorpus中國中國博客網博客網博客網博客網博客博客大巴大巴SinaBlogsSohuBlogs清華清華大學大學BBSBBS南京南京大學大學BBSBBS網易網易论坛论坛TOM论坛论坛天涯天涯社區社區CorpusCorpusuIts scale has exceeded to 10 million(1千萬)docments National Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)MonitoringMonitoring Corpus of Corpus of Network MediaNetwork MediauPopular Internet words(流行詞)which are discovered from the corpus.National Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)language situation in chinalanguage situation in china uName in chinese:中国语言生活状况报告中国语言生活状况报告It is annually publicised by National Language Committee(國家語委)My centre join in writing the network part of those books National Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)Chinese inventoryChinese inventory(漢語盤點漢語盤點)describe china and the world by using a word and a Chinese characteris annually launched by The Commercial Press(商务印书馆)、our centre,sina corporationNational Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)漢語盤點漢語盤點In 2006chinaworldcharacter炒炒乱乱word和谐和谐石油石油Presidentof our university(校長)校黨委書記In 2009chinaworldcharacter被被浮浮word民生民生金融危机金融危机National Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)漢語盤點漢語盤點In 2007chinaworldcharacter涨涨油油word民生民生全球变暖全球变暖In 2008chinaworldcharacter和和争争word改革改革华尔街风暴华尔街风暴 Vice President of our university(副校長)In 2010chinaworldcharacter涨涨乱乱word给力给力军演军演National Language Resources Monitor&Research Center(Network Media)National Language Resources Monitor&Research Center(Network Media)奥运奥运 火炬火炬 武汉武汉 时间时间 线路线路Thanks！