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Information overload and search techniques


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Apresentação realizada no âmbito do projeto DIGITAL CITIZENSHIP. Este projeto envolveu alunos de duas turmas de 10º ano, os quais, em conjunto, organizaram uma palestra dirigida a alunos de 9º ano onde apresentaram o resultado do seu trabalho.

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Information overload and search techniques

  1. 1. INFORMATION OVERLOAD AND SEARCH TECHNIQUES 1 Teacher: Luísa Lima Subject: English 2014
  2. 2. WHAT IS INFORMATION OVERLOAD?  Information overload refers to the difficulty a person can have to understand an issue and to make decisions that can be caused by the presence of too much information.  “Information overload occurs when the amount of input to the system exceeds its processing capacity.”- “The Managing of Organizations”, of Bertram Gross (1964). 2
  4. 4. A rapidly increase of new information being produced also know as journalism. The ease of duplication and transmission of data across the Internet. Consumers become producers. Causes of Causes of information information overload overload A lack of method for comparing and processing different kinds of information. An increase in the available channels of incoming information (RSS, instant messaging, e-mail). 4
  5. 5. IS INFORMATION OVERLOAD KILLING YOUR PRODUCTIVITY? * Linsday Broder published on FOXBusiness: “According to a LexisNexis International Workplace Productivity Survey , “a majority of workers in every market (62%, on average) admit that the quality of their work suffers at times because they can’t sort through the information they need fast enough.” ” * She also say: “prioritize your information into three categories: must know, should know and nice to know.” 5
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  7. 7. EFFECTIVE ONLINE SEARCH TECHNIQUES  Phrase searching  Truncation  Wildcard  Field searching  Setting Limits  Boolean 7
  8. 8. SEARCH TECHNIQUES  Phrase Searching  Instead  of American English  Try   “American English” or (American English) Truncation  Instead of  machine Try 8 machin? for machine, machinery, machinist
  9. 9. SEARCH TECHNIQUES  Instead  of industry  Try stem  industr* industry industries industrial industrialization 9
  10. 10. SEARCH TECHNIQUES  Wildcard  If Searches you want both Woman  Women   Try   If Wom*n you want to search for language literacy acquisition  language vocabulary acquisition  language lexical acquisition  language phonologically acquisition etc. simultaneously;   Search  as Language*acquisition 10
  11. 11. SEARCH TECHNIQUES  Field  title, Searching author, subject, keyword, all fields, etc.  Setting Limits  language, date, region, file format 11
  12. 12. Boolean searching “phonetics” OR “phonology” “phonetics” AND “phonology” “phonetics” NOT “phonology” 12
  13. 13. Video: 13
  14. 14. WEBGRAPHY • • • • • • • • RES.gif • 14 •