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Web based information resources


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Web based information resources

  1. 1. Web based Information Resources Evaluation Of
  2. 2. Contents Introduction 1 Target audience 2 Objective 3 4 TEAC3303 Merits & Demerits of internet 5 Analysis needs 6-step evaluating information 6
  3. 3. Introduction 1- The W orld W ide W eb ("WWW" or simply the "Web") is a global information medium which users can read and write via computers connected to the Internet. 2- WWW resources are very popular. familiar and This is because of the visual , user-friendly access mechanism of the Web Browsers. Today, everybody knows that the Internet offers information and data from sources worldwide . Yet many people do not know how to search the Internet most effectively, and many do not know how to evaluate the information they retrieve. Simply because so much information is available. WWW
  4. 4. Target audience Target audience Researcher Student Teacher Specialists Designer Reader
  5. 5. Objective 1 Explore Web- based info. resources 2 Understand importance of evaluating WWW Info Resources 3 guides the reader through six steps to searching for and evaluating information on the Internet
  6. 6. Analysis needs 1-The World Wide Web offers information and data from all over the world. 2-Because so much information is available, and because that information can appear to be fairly “anonymous”, it is necessary to develop skills to evaluate what you find. 3-. Every resource you find has been evaluated in one way or another before you ever see it. When you are using the World Wide Web, none of this applies. 5- Excellent resources reside along side the most dubious. 6- many people do not know how to search the Internet most effectively, and many do not know how to evaluate the information they retrieve
  7. 7. Merits 1 2 3 4 Users can use the same e-resources at the same time at any place E-resources can be easily copied, stored and disseminated E-collections save user’s time in access and reuse of information. E-resources are easy to revise, update, manipulate and merge. Authors can maintain the resource in the most up to date form easily
  8. 8. Demerits 1 2 3 4 Information Overload Varied information quality- limited to materials from a single content provider Computer & Internet Literacy- there is a lot of vanity publishing promotional information, inaccurate information, poor presentation Producers do not use principles of information design, e-resource design, user interface design. Users have to use multiple resources; with multiple interfaces, from multiple publishers to get all the infor required by them Being able to use computers and the Internet and other tools effectively needs training
  9. 9. 6- steps 6 six steps to searching for and evaluating information on the Internet 1- Understand and State the Need 2- Develop a Search Worksheet 3-Develop the Search Strategy. 4- Execute Your Search Strategy 5- Evaluate Your Search Results 6- Provide Search Results to the User
  10. 10. Diagram Text Text 1- Understand and State the Need 1-Don’t just jump right in and type a few words in Google. 2-Take time before starting your search to clearly identify the user’s (or your own) information needs. 3-Be clear about: what is and is not needed, how much information, of what quality, and by when. This means asking questions.
  11. 11. 2- Develop a Search Worksheet 1-Before you begin to search the Internet, develop a worksheet on the question you are researching. 2-Include on this worksheet any specific search requirements you must meet. 3-You will probably want to update the worksheet after you perform a preliminary( تمهيدي ) search.
  12. 12. 3-Develop the Search Strategy. 1-If you do not know much about your topic, it may be most useful to begin your search in the (visible Web) Ex: 2- These may assist you in identifying appropriate terminology for your search 1- Read the “help, “tips,” or “how-to” page for each chosen search directory 2- These pages will help you figure out how best to execute your search You develop the search strategy in three, sequential actions Conceptualize Your Question Select and Sequence Your Sources. Translate the Conceptual Query Formulation 1- This means thinking through how you will ask the question on various search engines and/or databases. 2- Consider what you want (example, documents, images 3-Think out both explicit and implicit concepts (and their synonyms) for your search
  13. 13. 4- Execute Your Search Strategy 1- Execute your search in at least two different search systems 2- Results will vary greatly across search directories, search engines, and Web-based searchable databases. 3- Now, it is time to execute the search in the order you selected 4- Don’t get discouraged if at first you don’t find the results you are looking for. Look in the next page.
  14. 14. Add Your Title here Not everything you find on the Internet is good information. Points to consider in evaluating any information resource, print or electronic, include: 5-Evaluate Your Search Results. Accessibility Currency Accuracy Objectivity Authorship Publisher
  15. 15. Diagram When presenting the search results to the user (including yourself), return to the original search request. Review the initial search requirements worksheet and be sure that you’ve met the requirements. For example, 6- Provide Search Results to the User USER TOPIC USER’S PURPOSE SUBJECT AREAS Consider whether the user is an expert in the topic area and present results accordingly. Make sure that the documents presented to the user answer his/her real question Knowing the user’s purpose can provide a timeline for completing the search Understanding the larger context of the question may help you select and sequence sources
  16. 16. WWW Thank You !