Web Search (BIT 06) Lecture Notes PDF

Web search (BIT 06) Dr. Ayman Hussein Dr. Nermin Gamal Dr. Marwa Mohanad Dr. Mohamed Ali Dr. Alaa Zaghloul Dr. Ahmed Rezk 11/22/2024 Try to guess what is happening in the two pictures…… Introduction A web search engine is a program designed to help find i...

Web search (BIT 06) Dr. Ayman Hussein Dr. Nermin Gamal Dr. Marwa Mohanad Dr. Mohamed Ali Dr. Alaa Zaghloul Dr. Ahmed Rezk 11/22/2024 Try to guess what is happening in the two pictures…… Introduction A web search engine is a program designed to help find information stored on the World Wide Web. A library portal is defined as "a combination of software components that unify the user experience of discovering and accessing information".  Search Engine Components Generally, there are three basic components of a search engine as listed below: 1. Web Crawler 2. Database 3. Search Interfaces  Web and Web Server The Web is the common name for the World Wide Web. It is a subset of the Internet consisting of the pages that can be accessed by a Web browser. Internet refers to the global network of servers that makes the information sharing that happens over the Web possible.  Web server Hardware Software  URL stands for Uniform Resource Locator. A URL is nothing more than the address of a given unique resource on the Web  Services of Internet Application Communication Information services services Ex: E-mail Ex: digital.gov.eg Guideline to successful search 1. Use the Tabs  2. Use quotes When searching for something specific, try using quotes to minimize the guesswork for Google search. When you put your search parameters in quotes, it tells the search engine to search for the whole phrase 2. Use quotes 3. Use a hyphen to exclude words EX: Online courses –English This tells the search engine to search for online courses but to remove any results that have the word “english” in it. It can be wildly helpful when finding information about something without getting information about something else. 4. Use a colon to search specific sites Where you need to Google search for articles or content on a certain website. EX: Lotfi Zadeh site: Berkeley.edu 4. Use a colon to search specific sites Where you need to Google search for articles or content on a certain website. EX: Lotfi Zadeh site: Berkeley.edu This will search for all content about famous scientist the father of Fuzzy Logic, but only on Berkeley.edu.  5. Find a page that links to another page If you want to see who cited a New York Times article on their site, you will use this trick to find all the sites that link to it. The syntax is below: EX: link: nytimes.com Be aware, though, that the more specific it is, the fewer results you will get  6. Use the asterisk (*) It will leave a placeholder that may be automatically filled by the search engine later. EX: “Come * right now * me”  7. Find sites that are like other sites If you search that above, you will not find a link to Amazon. Instead, you will find links to online stores like Amazon. Sites like Barnes & Noble, Best Buy, and others that sell physical items online. EX: related: amazon.com 8. Use Google search to do math EX1: 8*5+5 8. Use Google search to do math EX2: Planck’s Constant  9. Search for multiple words at once By searching that, you will search both phrases. EX1: “Best ways to prepare for a job interview” OR “How to prepare for a job interview” EX2: Chocolate OR white chocolate  10. Search a range of numbers People interested in money or statistics will find this tip particularly useful. EX: What teams have won the Stanley Cup..2004 The search will toss back the team that won the Stanley Cup in 2004.  11. Keep it simple EX: Pizza places nearby Google search will grab your location and deliver a variety of results about pizza places that are near you.  12. Gradually add search terms EX: First try: job interviews Second try: prepare for job interviews Third try: how to prepare for a job interview This will gradually refine the search to bring you fewer, more targeted terms. The reason you do not go straight from the first try to the third try is because you may miss what you are looking for by skipping the second step. 13. Use words that websites would use 13. Use words that websites would use EX1: “I have a flat tire” could be replaced by “repair a flat tire”. EX1: “My head hurts” could be replaced by “headache relief”. The list goes on and on. When searching, try to use terminology you would find on a professional website. This will help you get more reliable results.  14. Use important words only EX: Do not use: Where can I find a Chinese restaurant that delivers. Instead try: Chinese restaurants nearby. Or: Chinese restaurants near me. Doing this can help Google find what you need without all the clutter. So, remember, keep it simple and use important words only.  15. Google search has shortcuts EX1: Weather *Cairo* This will show you the weather in Cairo. You can also use zip code, but it may not be as accurate if there are multiple area codes in the city. 15. Google search has shortcuts EX2: Define: *biology* 15. Google search has shortcuts EX3: Time *california* 16. Spelling is not necessarily matter If you search “Nver Gna Gve Yo Up” Google will automatically assume you mean to search for “Never Gonna Give You Up.” Google gives you the option to search for the misspelled term instead too. 16. Spelling is not necessarily matter  17. Use descriptive words You may search “How to install drivers in Ubuntu”? When you really mean “Troubleshoot driver problems Ubuntu” If you search for something and you cannot find an answer, try asking the same question using different words and see if that helps the results.  18. Find a specific file EX: *Search term here* filetype: pdf  19. Money and unit conversions EX1: miles to km  19. Money and unit conversions EX2: 10 miles to km  19. Money and unit conversions EX3: USD to Sterling  20. Track your packages You can enter any UPS, USPS, or Fedex tracking number directly into the Google search bar, and it will show you the tracking information about your package. 11/22/2024 45 How to search (uni-word / multi-word) How to search (uni-word / multi-word) How to search (uni-word / multi-word) How to create an effective search query? How to create an effective search query? How to create an effective search query? How to create an effective search query? Evaluating the credibility of web sources Some Common Domain Names: 1..com; means Commercial 2..ac; means Academic 3..co; means Company 4..edu; means Education 5..gov; means Government 6..mil; means Military 7..net; means Network 8..org; means Organization Working with international research databases Working with international research databases Google Scholar https://scholar.google.com/ Working with international research databases Egyptian Knowledge Bank (EKB)