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Types of Search Engine:
Some of the basic categories of Search engines are :
a. Primary Search Engines: Such search engines use web crawlers or spiders to traverse the web and scan websites for key words, phrases, to generate database of web pages having some indexing or classification. Google and Alta Vista are examples of primary search engines.
b. Web directory: Web directories organize information into categories and subcategories or directories. You can search a web directory for all those entries that contain a particular set of keywords. Directories differ from search engines in the way they organize information. Yahoo is an example of web directory.
c. Meta search engines: Such search engines pass your queries to many search engines and web directories and present summarized results to the users. Some of the examples of meta search engines are - Dogpile, Infind, Metacrawler, Metafind and Metasearch.
Evolution of ERP The origin of using computers for business, traces the following line of story. Originally, they were designed to support the repetitive and time consuming fu
The use of manage files very much facilitates the creation of files and programmer can focus on other aspects of the programming lacking worrying on details which can be handled by
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THE THIRD GENERATION (1966-1975) The introduction of IBM-360 series of computers in 1965 marked the beginning of this generation. The transistors were replaced by solid
Telecommunications: 'Data communications', 'Communications technology', 'Computer telecommunications', Compunications', 'Telecomputing', etc., are just some of the terms we co
Problem In the Excel sheet, input the marks of any 5 students with 5 subjects and find the average marks, maximum marks, minimum marks obtained by the student. Using Excel s
Artificial Intelligence-Environments We have seen that intelligent agents should take into description sure information when choosing a rational act, including inform
• The SRT is the preemptive complement of SJF and helpful in time-sharing environment. • In SRT scheduling, the process with the least estimated run-time to completion is run next,
I have written all formulas fine but still its showing 0 as percentage please help me in this program user have to enter obtain score and total score
Use the methods of C4.5 to design a decision tree
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