000 05470cam a22005178i 4500
001 7562183
003 OSt
005 20190707230425.0
007 ta
008 140814s2014 enk b 001 0 eng
010 _a 2014032266
020 _a9781118834817 (hardback)
020 _a111883481X (hardback)
035 _a(OCoLC)ocn889577340
035 _aucoclc889577340
040 _aDLC
_beng
_erda
_cLearning Resource Center
_dBDX
_dYDXCP
_dUtOrBLW
042 _apcc
050 0 0 _aQA76.9.D343
_bM865 2014
082 0 0 _223
_a006.312/M92
084 _aCCS
084 _aCOM021030
_2bisacsh
085 0 0 _aCCS 006.312/M92
_223
100 1 _aMunzert, Simon.
_94448
245 1 0 _aAutomated data collection with R :
_ba practical guide to Web scraping and text mining /
_cSimon Munzert, Christian Ruoba, Peter Meiboner, Dominic Nyhuis.
263 _a1501
264 _aUnited Kingdom :
_bJohn Wiley & Sons, Ltd.,
_c©2015.
300 _axxii, 452 pages:
_billustrations ;
_c25 cm.
336 _atext
504 _aIncludes bibliographical references and index.
505 8 _aMachine generated contents note: Dedication Table of Contents List of Figures List of Tables Preface 1 Introduction 1.1 Case Study: World Heritage Sites in Danger 1.2 Some Remarks on Web Data Quality 1.3 Technologies for Disseminating, Extracting and Storing Web Data 1.3.1 Technologies for disseminating content on the Web 1.4 Structure of the Book Part One A Primer on Web and Data Technologies 2 HTML 2.1 Browser Presentation and Source Code 2.2 Syntax Rules 2.3 Tags and Attributes 2.4 Parsing Summary Further Reading Problems 3 XML and JSON 3.1 A Short Example XML Document 3.2 XML Syntax Rules 3.3 When Is an XML Document Well-formed or Valid? 3.4 XML Extensions and Technologies 3.5 XML and R in Practice 3.6 A Short Example JSON Document 3.7 JSON Syntax Rules 3.8 JSON and R in Practice Summary Further Reading Problems 4 XPath 4.1 XPath -- a Querying Language for Web Documents 4.2 Identifying Node Sets with XPath 4.3 Extracting Node Elements Summary Further Reading Problems 5 HTTP 5.1 HTTP Fundamentals 5.2 Advanced Features of HTTP 5.3 Protocols beyond HTTP 5.4 HTTP in Action Summary Further Reading Problems 6 AJAX 6.1 JavaScript 6.2 XHR 6.3 Exploring AJAX with Web Developer Tools Summary Further Reading Problems 7 SQL and Relational Databases 7.1 Overview and Terminology 7.2 Relational Databases 7.3 SQL: a Language to Communicate with Databases 7.4 Databases in Action Summary Further Reading Problems 8 Regular Expressions and String Functions 8.1 Regular Expressions 8.2 String Processing 8.3 A Word on Character Encodings Summary Further Reading Problems Part Two A Practical Toolbox for Web Scraping and Text Mining 9 Scraping the Web 9.1 Retrieval Scenarios 9.2 Extraction Strategies 9.3 Web Scraping: Good Practice 9.4 Valuable Sources of Inspiration Summary Further Reading Problems 10 Statistical Text Processing 10.1 The running example: classifying press releases of the British government 10.2 Processing Textual Data 10.3 Supervised Learning Techniques 10.4 Unsupervised Learning Techniques Summary Further reading 11 Managing Data Projects 11.1 Interacting with the File System 11.2 Processing Multiple Documents/Links 11.3 Organizing Scraping Procedures 11.4 Executing R Scripts on a Regular Basis Part Three A Bag of Case Studies 12 Collaboration Networks in the U.S. Senate 12.1 Information on the Bills 12.2 Information on the Senators 12.3 Analyzing the network structure 12.4 Conclusion 13 Parsing Information from Semi-Structured Documents 13.1 Downloding Data from the FTP Server 13.2 Parsing Semi-Structured Text Data 13.3 Visualizing station and temperature data 14 Predicting the 2014 Academy Awards using Twitter 14.1 Twitter APIs: Overview 14.2 Twitter-based Forecast of the 2014 Academy Awards 14.3 Conclusion 15 Mapping the Geographic Distribution of Names 15.1 Developing a Data Collection Strategy 15.2 Web Site Inspection 15.3 Data Retrieval and Information Extraction 15.4 Mapping Names 15.5 Automating the Process 15.6 Summary 16 Gathering Data on Mobile Phones 16.1 Page Exploration 16.2 Scraping Procedure 16.3 Graphical Analysis 16.4 Data storage 17 Analyzing Sentiments of Product Reviews 17.1 Introduction 17.2 Collecting the data 17.3 Analyzing the Data 17.4 Conclusion References Bibliography Indices General Index Package Index Function Index .
520 _a"This book provides a unified framework of web scraping and information extraction from text data with R for the social sciences"--
521 _aCOECS
650 0 _aData mining.
_94384
650 0 _aAutomatic data collection systems.
_94449
650 0 _aSocial sciences
_xResearch
_xData processing.
_94450
650 0 _aR (Computer program language).
_94451
650 7 _aCOMPUTERS / Database Management / Data Mining.
_2bisacsh
_94386
776 0 8 _iOnline version:
_aMunzert, Simon.
_tAutomated data collection with R
_dHobokenChichester, West Sussex, United Kingdom ; : John Wiley & Sons Inc., 2014
_z9781118834787
_w(DLC) 2014035023
982 _aYBP
_b814730
910 _aMARS
942 _2ddc
_cREF
980 _b80.00
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999 _c26971
_d26971