Name: Period 1 2 3 4 5 6 7 Searching the Internet Please look over the following website http://www.sc.edu/beaufort/library/pages/bones/bones.shtml to answer the follow questions. Each lesson has valuable information to learn about searching the internet. BARE BONES LESSON 1: SEARCH ENGINES WHAT ARE SEARCH ENGINES? Define There are two types of search engines: 1 ____________ 2 ____________ HOW DO SEARCH ENGINES WORK? Search engines compile their databases by employing "________" or "________" ("bots") to crawl through web space from link to link, identifying and perusing pages. HOW DO SEARCH ENGINES RANK WEB PAGES? In ranking web pages, search engines follow a certain set of ________ ARE SEARCH ENGINES ALL THE SAME? Search engines use selected ________to search their indexes for matching ________ and ________, presenting their findings to you in some kind of relevance ranking WHEN DO YOU USE SEARCH ENGINES? Search engines are _____________________, phrases, quotes, and information buried in the full-text of web pages WHAT ARE METASEARCH ENGINES? ________engines do not crawl the web compiling their own ________ HOW DO METASEARCHERS DISPLAY THEIR RESULTS? Metasearch engines present the results of their searches in one of two ways: ________ and ________ WHAT ARE SUBJECT DIRECTORIES? Subject directories, unlike search engines, are ________ and maintained by ________, not electronic spiders or robots. HOW DO SUBJECT DIRECTORIES WORK? When you initiate a keyword search of a directory's contents, the directory attempts to match ________________ with those in its written descriptions. Subject directories come in assorted flavors BARE BONES LESSON 5: EVALUATING WEB PAGES READING WEB ADDRESSES: First, you need to know how to read a web address, or URL (Universal Resource Locator). Let's look at the URL for this tutorial: http://www.sc.edu/beaufort/library/pages/bones/bones.shtml Here's what it all means: •"http" means ________and refers to the format used to transfer and deal with information •"www" stands for ________and is the general name for the host server that supports text, graphics, sound files, etc. •"sc" is the ________name and usually designates the server's location •"edu" is the ________name (see below) •"beaufort" is the ________ •"library" is the ________name •"pages" and "bones" are folder and ________names •the second "bones" ________ •"shtml" is the ________ YOUR SEARCH RETURNS A "404 -- FILE NOT FOUND" MESSAGE This message tells you that the file you seek has been ________. Go back to the search engine and do a phrase search or a field search on the title. Try ________the URL to see if the file might still be on the same server. Try your search on Google, which maintains cached copies of pages. BARE BONES LESSON 6: CREATING A SEARCH STRATEGY CREATING A SEARCH STATEMENT: 1. •Be ________ 2. •Whenever possible, use ________ and ________ as keywords 3. 4. 5. 6. 7. •Put most important terms first in your keyword list; to ensure that they will be searched, put a _____in front of each one •Use at least ________ keywords in your query •Combine ________, whenever possible, into phrases •Avoid ________ words, e.g., water, unless they're part of a phrase •Write down your search statement and ________you type it into a search engine query box BARE BONES LESSON 8: SEARCHING WITH BOOLEAN LOGIC AND PROXIMITY OPERATORS Boolean logic takes its name from British mathematician ________ (1815-1864), who wrote about a system of logic designed to produce ________by formulating precise queries. He called it the "________." BOOLEAN "AND" The Boolean ________ actually ________ your search by retrieving only documents that contain every one of the keywords you enter. The more terms you enter, the narrower your search becomes. BOOLEAN "OR" The Boolean ________your search by returning documents in which either or both keywords appear. The Boolean ________ or ________ (sometimes typed as ANDNOT) ________ your search by returning only your first keyword but not the second, even if the first word appears in that document, too. IMPLIED BOOLEAN OPERATORS Implied Boolean operators use the ________ (___) and ________ (___) symbols in place of the full Boolean operators, AND and NOT. Typing a (+) or (-) sign in front of a word will force the ________ or ________ of that word in the search statement. Similarly, putting double ________ (" ") around ________words will force them to be searched as a phrase in that exact order. BARE BONES LESSON 11: ASK.COM Ask debuted in ________ and was purchased by Ask Jeeves later that year. Although it supports only ________ Boolean searching, BARE BONES LESSON 15: GOOGLE Google was created in the winter of ________ by graduate students at ________. Today it lays claim to being the largest of all the search engines, indexing over ________pages on the Web. BARE BONES LESSON 17: YAHOO! Yahoo! Directory, was created by Stanford graduate students, ________and ________, and was launched in ________ what year.