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<bibitem type="C">   <ARLID>0317515</ARLID> <utime>20240111140712.5</utime><mtime>20081218235959.9</mtime>         <title language="eng" primary="1">Structural Poisson Mixtures for Classification of Documents</title>  <specification> <page_count>4 s.</page_count> <media_type>CD-ROM</media_type> </specification>   <serial><ARLID>cav_un_epca*0317587</ARLID><ISBN>978-1-4244-2174-9</ISBN><title>Proceedings of the 19th International Conference on Pattern Recognition</title><part_num/><part_title/><page_num>1324-1327</page_num><publisher><place>Los Alamitos</place><name>IEEE Press</name><year>2008</year></publisher></serial>   <title language="cze" primary="0">Strukturní Poissonovské směsi pro klasifikaci dokumentů</title>    <keyword>classification of documents</keyword>   <keyword>Poisson mixtures</keyword>   <keyword>Structural approach</keyword>    <author primary="1"> <ARLID>cav_un_auth*0101091</ARLID> <name1>Grim</name1> <name2>Jiří</name2> <institution>UTIA-B</institution> <full_dept>Department of Pattern Recognition</full_dept>  <fullinstit>Ústav teorie informace a automatizace AV ČR, v. v. i.</fullinstit> </author> <author primary="0"> <ARLID>cav_un_auth*0101171</ARLID> <name1>Novovičová</name1> <name2>Jana</name2> <institution>UTIA-B</institution>  <fullinstit>Ústav teorie informace a automatizace AV ČR, v. v. i.</fullinstit> </author> <author primary="0"> <ARLID>cav_un_auth*0101197</ARLID> <name1>Somol</name1> <name2>Petr</name2> <institution>UTIA-B</institution> <full_dept>Department of Pattern Recognition</full_dept>  <fullinstit>Ústav teorie informace a automatizace AV ČR, v. v. i.</fullinstit> </author>   <source> <source_type>hypertextový soubor</source_type> <url>http://library.utia.cas.cz/separaty/2008/RO/grim-structural poisson mixtures for classification of documents.pdf</url> <source_size>632 MB</source_size> </source>        <cas_special> <project> <project_id>1M0572</project_id> <agency>GA MŠk</agency> <ARLID>cav_un_auth*0001814</ARLID> </project> <project> <project_id>2C06019</project_id> <agency>GA MŠk</agency> <country>CZ</country> <ARLID>cav_un_auth*0216518</ARLID> </project> <project> <project_id>GA102/07/1594</project_id> <agency>GA ČR</agency> <ARLID>cav_un_auth*0228611</ARLID> </project> <research> <research_id>CEZ:AV0Z10750506</research_id> </research>  <abstract language="eng" primary="1">Considering the statistical text classification problem we approximate class-conditional probability distributions by structurally modified Poisson mixtures. By introducing the structural model we can use different  subsets of input variables to evaluate conditional probabilities of different classes in the Bayes formula. The  method is applicable to document vectors of arbitrary dimension without any preprocessing. The structural  optimization can be included into the EM algorithm in a statistically correct way.</abstract> <abstract language="cze" primary="0">V rámci statistického přístupu k problému klasifikace dokumentů jsou dokumenty reprezentovány formou /bag-of-words/. Podmíněné distribuce dokumentů v jednotlivých třídách jsou aproximovány ve tvaru strukturní poissonovské distribuční směsi. Bayesovská klasifikace dokumentů je ověřována na datových souborech Reuters a 20 NEWSGROUPS.</abstract>  <action target="WRD"> <ARLID>cav_un_auth*0245453</ARLID> <name>19th International Conference on Pattern Recognition</name> <place>Tampa</place> <dates>07.12.2008-11.12.2008</dates>  <country>US</country> </action>    <reportyear>2010</reportyear>  <RIV>IN</RIV>      <permalink>http://hdl.handle.net/11104/0167137</permalink>        <arlyear>2008</arlyear>       <unknown tag="mrcbU56"> hypertextový soubor 632 MB </unknown> <unknown tag="mrcbU63"> cav_un_epca*0317587 Proceedings of the 19th International Conference on Pattern Recognition 978-1-4244-2174-9 1324 1327 Los Alamitos IEEE Press 2008 </unknown> </cas_special> </bibitem>