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自然語言處理與計算語言學(xué)
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自然語言處理是一門融語言學(xué)、計算機科學(xué)、數(shù)學(xué)于一體的科學(xué),研究人與計算機之間用自然語言進行有效通信的各種理論和方法。計算語言學(xué)是指通過建立形式化的數(shù)學(xué)模型來分析、處理自然語言,并在計算機上用程序來實現(xiàn)分析和處理的過程,旨在以機器來模擬人的部分或全部語言能力的目的。《自然語言處理與計算語言學(xué)》作為一本借助于Python編程語言以及各種開源工具(如Gensim、spaCy等)來執(zhí)行文本分析、自然語言處理和計算語言學(xué)算法的圖書,從應(yīng)用層面介紹了相關(guān)的理論知識和所涉及的技術(shù)。《自然語言處理與計算語言學(xué)》共分為15章,其內(nèi)容涵蓋了文本分析的定義、使用Python進行文本分析的技巧、spaCy語言模型、Gensim工具、詞性標注及其應(yīng)用、NER標注及其應(yīng)用、依存分析、主題模型、高級主題建模、文本聚類和文本分類、查詢詞相似度計算和文本摘要、詞嵌入、使用深度學(xué)習(xí)處理文本、使用Keras和spaCy進行深度學(xué)習(xí)、情感分析與聊天機器人的原理介紹等。《自然語言處理與計算語言學(xué)》適合對自然語言處理的實現(xiàn)細節(jié)感興趣的Python程序開發(fā)人員閱讀。如果讀者具備統(tǒng)計學(xué)的基本知識,對學(xué)習(xí)本書內(nèi)容會大有裨益。

(法)格夫·斯里尼瓦薩-德西坎 ·專用軟件 ·10.5萬字

MySQL Admin Cookbook LITE: Configuration, Server Monitoring, Managing Users
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Learn?SetupMySQLreplicationtomanageloadbalancing,onlinebackup,andfail-overscenarios?Create,modify,anddeleteindexes;alsoidentifyduplicateindexestooptimizeyourMySQLservers'performance?Setupautomaticallyupdatedslaves?EstimateandlimityournetworkandslaveI/Oload?Checkthatyourserversareinsynctoimprovecommunication?Learnaboutprimarykeys?Speedupyoursearchesforsub-domainsAboutMySQListhemostpopularopen-sourcedatabaseandisalsoknownforitseasysetupfeature.However,properconfigurationbeyondthedefaultsettingsremainsachallenge,alongwithday-to-daymaintenancetaskssuchasindexingandreplication.Thesetaskshavenotbeencoveredthoroughlyinthedefaultdocumentation.ThisMySQLAdminCookbookLITEcoverstwokeyaspectsofMySQLadministrationindetail;replication,whichwillallowyoutoorganizeyourdatabasemoreefficiently,andindexing,whichenablesyoutoaccessinformationeveninthedeepest,darkestdepthsofyourlargestdatabases.Alloftherecipesarebasedonreal-worldexperiencewhichwerederivedfromprovensolutionsusedinanenterpriseenvironment.Tofindoutmoreaboutupgradingtothefulledition,visitwww.packtpub.com/lite-editionsandlogintoyouraccountforoffersandhelp.Ifyoudon’thaveanaccountonPacktPub.com,visittodayandsetoneup!Features?SetupMySQLtoperformadministrativetaskssuchasreplicationandindexing?Balanceserverloadsacrossmultiplemachines,easebackupsandmuchmorewithreplication?Allowforrapidandefficientaccessacrossyourdatabasewithindexing?PartofPackt'sCookbookseries:Eachrecipeisacarefullyorganizedsequenceofinstructionstocompletethetaskasefficientlyaspossible

Daniel Schneller Udo Schwedt ·專用軟件 ·2.8萬字

Python Text Processing with NLTK 2.0 Cookbook: LITE
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Learn?LearnTextcategorizationandTopicidentification?UseStemmingandLemmatizationtogobeyondtheusualspellchecker?Replacenegationswithantonymsinyourtext?Tokenizewordsintolistsofsentencesandwords,andgainaninsightintoWordNet?Trainandmanipulatedifferenttypesofclassifiers?AutomaticallycorrectspellingwithEnchant?TranslatetextusingBabelfishAboutNaturalLanguageProcessingisusedeverywhere–insearchengines,spellcheckers,mobilephones,computergames–evenyourwashingmachine.Python'sNaturalLanguageToolkit(NLTK)suiteoflibrarieshasrapidlyemergedasoneofthemostefficienttoolsforNaturalLanguageProcessing.YouwanttoemploynothinglessthanthebesttechniquesinNaturalLanguageProcessing–andthisbookisyouranswer.PythonTextProcessingwithNLTK2.0Cookbookisyourhandyandillustrativeguide,whichwillwalkyouthroughalltheNaturalLanguageProcessingtechniquesinastep–by-stepmanner.ItwilldemystifytheadvancedfeaturesoftextanalysisandtextminingusingthecomprehensiveNLTKsuite.Tofindoutmoreaboutupgradingtothefulledition,visitwww.packtpub.com/lite-editionsandlogintoyouraccountforoffersandhelp.Ifyoudon’thaveanaccountonPacktPub.com,visittodayandsetoneup!Features?QuicklygettogripswithNaturalLanguageProcessing–withTokenizingText,WordNet,andbeyond?Learnhowtoreplaceandcorrectwordstoimprovesearchengineresults?Categorizedocumentsandpiecesoftextandassignclasslabels?PartofPackt'sCookbookseries:Eachrecipeisacarefullyorganizedsequenceofinstructionstocompletethetaskasefficientlyaspossible

Jacob Perkins ·專用軟件 ·2萬字

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