Transcript Chapter 2
Chapter 2 Internet Research Evaluating a Web Resource 1. Primary Source is any document, item, or other data that provides firsthand info. 2. Criteria for Web Evaluation A. Authorship 1. Who is responsible for this web site? 2. What do you know about the person or organization? Criteria for Web Evaluation B. Accuracy 1. Does the information seem accurate? 2. Are sources listed to verify information on the Web page? 3. Is the page grammatically correct? Criteria for Web Evaluation C. Currency of Information 1. What date was the page placed on the Web? 2. What date was the page last updated? 3. Does the page have a copyright notice? Criteria for Web Evaluation D. Topic and Scope 1. What is the purpose of the page? 2. Does the page succeed in describing or discussing the topic? 3. Are points clear, well stated, and supported? Techniques to learn more about site/author look at TLD pare address Google author’s name use search box Using Web Search Tools 3. A search tool is a specialized Web site that helps you find Web pages relevant to your research. 4. Directories and search engines are two types of search tools. Using Web Search Tools 5. A directory uses an alphabetic index to organize related Web resources that is organized into broad categories. Clicking a number of links to move from a general category through subcategories is called drilling down. A list of category and subcategory links is a breadcrumb trail. Using Web Search Tools 6. Examples of directories • IPL.org • Dir.Yahoo.com • About.com • Infomine.ucr.edu Using Web Search Tools 7. A search engine retrieves and displays a list of links to Web pages based on a query. 8. Examples of search engines Yahoo, Google, Bing, ask, Wolframalpha 9. Keywords are a set of words or phrase used to search. Using Web Search Tools 10. The keyword search form is used to enter keywords to search the web. 11. A search engine consists of a spider, index, and search engine software. 12. An automated program called a spider or robot travels around the Web automatically following links and adding entries to the index. Search engine software compares the keywords to its index, compiles a list of Web pages for which the keywords are relevant, and arranges the list in a specific order. Using Web Search Tools 13. Metasearch engines compile the search results for multiple search tools into a single search results list. Some examples include Dogpile, Mamma, Metacrawler, zuula, ixquick Searching the Web 14. Directories are respected because they are created and maintained by real people. 15. When you type a Web address in the Address bar and then press the Enter key, Autocomplete remembers the Web address you typed. Searching the Web 16. A search engine uses keywords to find relevant Web pages. 17. Most search engines have a simple search and an advanced search form. Using Tabbed Browsing 18. A hit is the term used when a search engine returns a Web page that matches the search criteria. 19. The tabbed browsing feature provides a way to navigate between search results. Using Tabbed Browsing 20. Internet Explorer provides an option to show the tabs on a separate row, below the address bar to allow more space to view the text that displays on each tab. 21. One way to reduce the clutter on the tab row is to tear off a tab. Using the Address Bar 22. The address bar allows you to search for Web pages directly from the browser interface without first navigating to an engine’s Web page. Refining a Search 23. Operators increase the accuracy of a search by fine-tuning the keywords in the search. A. The plus symbol before a keyword guarantees the keyword will be included in the search results. B. Quotation marks around words require the search engine to locate the words in that order. Refining a Search C. The minus symbol before a word guarantees that the keyword will be excluded from the search. D. Placing a tilde symbol immediately preceding a keyword causes a search for the keyword and any synonyms. Refining a Search 24. Boolean Operators are used to specify which keywords to include or exclude in the search. Operators include AND OR NOT NEAR () A. The AND operator finds only those Web pages that contain ALL of the specified words Refining a Search B. The OR operator finds Web pages containing at least one of the specified words. C. The NOT operator excludes Web pages containing the specific word. D. The NEAR operator finds Web pages containing both specified words within 10 words of each other. E. The parenthesis are used to group complex Boolean operators. Refining a Search 25. Wildcard character is used to allow any character or characters in a word. Use an * to broaden a search. Use a ? To allow any character to fill a spot. Creating a Bibliography 26. A bibliography is a list of sources referred to in the creation of paper. For Web resources, you should note the author or authors, title of the page, Web address, date of publication, date of last revision, date you accessed the resource, heading of any part or section where the relevant information is located, navigation instructions necessary to find the resources, and other pertinent info. Searching the Web for Specific Information 27. Use superpages and whitepages to find locations of businesses and people. 28. The Internet can provide a map of an area, you can use Google Maps or MapQuest. Searching the Web for Specific Information 29. Online dictionaries allow you to search for definitions, encyclopedia articles, or synonyms and antonyms. 30. You can search for images. Accelerators 31. The accelerator feature allows you to perform a Web search using text shown on a Web page by first selecting the text on a page and then choosing an Accelerator to search for the text.