4 Literature Search Techniques 2 Strategic Searching


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  • 4 Literature Search Techniques 2 Strategic Searching

    1. 1. Literature Search Techniques 2 <ul><li>Strategic searching </li></ul><ul><li>In this lecture you will learn: </li></ul><ul><li>The function of a literature search </li></ul><ul><li>The structure of academic literature </li></ul><ul><li>Revision of the previous lecture </li></ul><ul><li>An overview of search strategies </li></ul>                           
    2. 2. 1. The function of a literature search
    3. 3. What is the Purpose of a Literature Search/Review? (1: Cognitive) <ul><li>To avoid reinventing the wheel </li></ul><ul><li>To find out what other scholars are writing about your topic </li></ul><ul><li>To learn methods and approaches that are appropriate for your study </li></ul><ul><li>To learn appropriate theory to underpin your work </li></ul>
    4. 4. What is the purpose of a Literature Search/Review? (2: social) <ul><li>To demonstrate to your audience that your contribution is new – different from everyone else’s </li></ul><ul><ul><li>Nobody will believe you unless you can demonstrate through the literature review that you know what everyone else has done </li></ul></ul><ul><li>In an MSc: to demonstrate to your teachers that you can do an effective literature review </li></ul><ul><li>Because literature reviews are an accepted part of university projects/research and your project will not look like a good project without one </li></ul>
    5. 5. What Information Should You Look For? <ul><li>Publications that cover the same or a similar topic to yours </li></ul><ul><li>Publications that support your methods </li></ul><ul><ul><li>E.g. Stats, Systems Analysis, Database Normalisation, Project Management, OO programming </li></ul></ul><ul><li>Background information books </li></ul><ul><ul><li>E.g. The Web, The JAVA programming language, electronic security </li></ul></ul>
    6. 6. 2. The structure of academic literature
    7. 7. Overall Structure Research Topic Specialist sub-area Relevant Primary research Your research question
    8. 8. Advanced literature search 50% 10% 10% 10% 5% 5% 5% Topic 1 Topic 2 Topic 3 5% Specialist area
    9. 9. A field structure
    10. 10. 3. Revision of the previous lecture
    11. 11. Sources for Literature Reviews <ul><li>The Library </li></ul><ul><ul><li>Look through the list of journals and browse the books on the shelves to find relevant ones </li></ul></ul><ul><li>Digital Libraries </li></ul><ul><ul><li>Need to use keyword searches to identify relevant articles </li></ul></ul><ul><li>The Web </li></ul><ul><ul><li>Use keyword searches in Google (which indexes PDF and PostScript academic publications) </li></ul></ul>
    12. 12. The Strengths and Weaknesses of the Different Sources <ul><li>Books vs. journal articles vs conference proceedings vs. the web </li></ul><ul><li>Which tend to be the best for </li></ul><ul><ul><li>Currency </li></ul></ul><ul><ul><li>Authority </li></ul></ul><ul><ul><li>Understandability? </li></ul></ul><ul><li>Which types of task would each source be best for? </li></ul><ul><li>Academic papers are quality controlled – many are rejected as being incorrect or uninteresting </li></ul>
    13. 13. Literature search techniques <ul><li>Keyword search </li></ul><ul><ul><li>To find topically relevant information from digital libraries, databases, or the web </li></ul></ul><ul><ul><li>Good in most cases </li></ul></ul><ul><li>Browsing </li></ul><ul><ul><li>To sift through collections of potentially relevant text </li></ul></ul><ul><ul><li>Good where there are many relevant books/articles, but only a few can be selected </li></ul></ul><ul><li>Chaining </li></ul><ul><ul><li>Tracking references and citations to find articles relevant to a topic </li></ul></ul><ul><ul><li>Good where the topic is very small </li></ul></ul>
    14. 14. Example: search engines <ul><li>Look for web page on search engines: read page </li></ul><ul><li>Look for book on search engines: read introduction, contents list, look for subtopic </li></ul><ul><li>Start keyword searching for subtopic in digital libraries </li></ul><ul><li>Chain key authors and papers for subtopic </li></ul><ul><li>Read the likely papers and pick one as your main paper </li></ul>
    15. 15. Exercise <ul><li>[Class vote on answers] </li></ul>
    16. 17. 4. Overview of search strategies
    17. 18. Literature search strategy
    18. 19. Literature search -real?
    19. 20. Alternative literature search strategy <ul><li>A practical strategy? </li></ul><ul><ul><li>Do general searches until you find a paper that you think you could understand & use it as the basis for your research </li></ul></ul><ul><ul><li>Author/reference/citation chain from this paper </li></ul></ul><ul><ul><li>Keyword searches to get papers relevant to subtopic </li></ul></ul>
    20. 21. Alternative literature search strategy
    21. 22. Your progress <ul><li>The following should occur as you progress </li></ul><ul><ul><li>Increase in knowledge of the subject </li></ul></ul><ul><ul><li>Increase in general knowledge of the specialist topic </li></ul></ul><ul><ul><li>Increase in your specialist vocabulary </li></ul></ul><ul><ul><li>Increase in confidence that you can complete the task </li></ul></ul>
    22. 23. Homework Task <ul><li>Conduct a literature search for your chosen sub-area for the second assessment </li></ul><ul><li>Report </li></ul><ul><ul><li>The searches conducted (digital libraries, OPAC etc) </li></ul></ul><ul><ul><li>The titles found from each search </li></ul></ul><ul><li>Discuss which types of publication (books, journal articles, Web, conference papers) should be used to give the different types of information needed </li></ul><ul><li>Make a list of problems/issues that arose with your search </li></ul><ul><li>You do not need to print out all the articles you found </li></ul>