Advanced searchtechniques
Download as PPT, PDF0 likes267 views
This document discusses advanced search techniques for finding information online. It explains how to use quotation marks to search for phrases, the minus sign to exclude unwanted terms, and an advanced search screen to refine results. Specific techniques for web searching are outlined, including being very specific using multiple search terms, and limiting searches to specific domains like .edu or .gov to find more relevant information. The document emphasizes that using advanced search techniques helps refine searches and limits large result sets to more relevant information.
Advanced searchtechniques
- 1. Advanced Search Techniques Objective: Students will understand advanced search techniques including the use of quotation marks for phrase searching, truncation or wild card*, and advanced search screens. VST ADVANCE SOLUTIONS RIGHTS RESERVED VST ADVANCE SOLUTIONS
- 2. Search Techniques Search techniques are the methods you use to search catalogs, article databases, and web search engines to find information. The use of the Boolean operators AND and OR between keywords to create a search statement is an example of a search technique. This lesson will cover some more advanced search techniques which can help you refine your searches. RIGHTS RESERVED VST ADVANCE SOLUTIONS
- 3. Advanced Search Techniques for Web Searching Using advanced search techniques when searching the web is even more important because you are sifting through so much information. Some of the techniques used for searching the web versus library catalogs and article databases are different. RIGHTS RESERVED VST ADVANCE SOLUTIONS
- 4. Web Searching Advanced Search Techniques Use quotation marks to search for phrases Use the minus (-) symbol in front of a word to exclude it Use the advanced search screen to help refine your search Be very specific Search in appropriate domains (.com, .edu, .gov) RIGHTS RESERVED VST ADVANCE SOLUTIONS
- 5. Minus Symbol (-) Sometimes when searching the web, the computer displays lots of results that are not on your topic. For example, you want to find information on laser surgery, but most of the search results are pulling up LASIK. To remove these hits, search for: “laser surgery” -LASIK RIGHTS RESERVED VST ADVANCE SOLUTIONS
- 6. Advanced Search Screen Like article databases, most search engines have an advanced search screen. This screen offers many options to help you refine your search. RIGHTS RESERVED VST ADVANCE SOLUTIONS
- 7. Google’s Advanced Search Screen RIGHTS RESERVED VST ADVANCE SOLUTIONS
- 8. Be Very Specific Library catalogs and article databases have a limited amount of information. The web is virtually limitless. To pull up the most relevant information when searching the web, you need to use lots of terms related to your research question. RIGHTS RESERVED VST ADVANCE SOLUTIONS
- 9. For example, if you search for “tattoo removal” you find over 1,350,000 hits. If you search for “tattoo removal” “blue ink,” you only find 723. Notice here, that both concepts are being searched as phrases. RIGHTS RESERVED VST ADVANCE SOLUTIONS
- 10. Domain Searching Finally, when searching the web, it is often helpful to limit your results to a specific domain. The domain of a web site indicates the type of organization or geographic region from which the site originates. Helpful domain limiters include: –.edu-education –.gov-government, –.mil-U.S. military, –.org-organization –.com-commercial RIGHTS RESERVED VST ADVANCE SOLUTIONS
- 11. To limit your search to a specific domain type Add site:domain to your search. Or use the advanced search option and type in the domain. RIGHTS RESERVED VST ADVANCE SOLUTIONS
- 12. Summing Up Using advanced search techniques when searching library catalogs, article databases, and web search engines will help refine your search. They will help limit the number of search results, and the results found should be more relevant for your research question. RIGHTS RESERVED VST ADVANCE SOLUTIONS