Search Engine Review Essay Research Paper Web

Search Engine Review Essay, Research Paper

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Search Engine reappraisal

In this paper I am traveling to reexamine a few web hunt engines, and hopefully supply some helpful penetration for making hunts on the cyberspace. The first measure in obtaining the information you want from the web is structuring the words to seek with. For case, if you wanted to happen out how to construct furniture out of oak, you might make a hunt incorporating the undermentioned words: furniture, building, oak, howto. It s of import that you use cardinal words and go forth out more general footings. Your first hunt should be the most specific to what you are looking for, and if it fails, following hunts should be more generalised. Many times one hunt is non plenty and you may hold to make many similar hunts, even on the same hunt engine to acquire the consequences desired. Some hunt engines called meta hunts search other hunt engines at the same clip so come ining the hunt at each hunt page is non necessary, Dogpile.com is one such hunt.

After acquiring a general understanding down every bit to how to seek, it all comes down to favourites. There truly is no hunt engine that is the best, they all have their ups and downs. My personal favourites are Alta Vista and Lycos. I like Alta Vista because it has a immense figure of pages and Boolean hunts can be used. Boolean hunts change the hunt so it must go forth out, include, or take between one word or another in a hunt. Boolean hunts can besides be used to include a word merely if it is following to another word. It can do hunts 100 % more specific, and filter out unwanted content. Boolean symbols are + , – , and the term OR. They are used in forepart of and between words. You can read more in deepness about Boolean hunts on Alta Vistas page ( www.av.com ) . Many hunt engines support Boolean footings. I Like Lycos because it excessively supports Boolean footings nevertheless it searches a batch less figure of pages than Alta Vista does. This is helpful for a subject that merely generates to many hits to seek through, many times merely by traveling to a hunt engine with a smaller dbase, more tightly focused subjects can be obtained. Personally I don Ts like Yahoo because it s to user friendly, or cartoony and the consequences are non numbered. Hotbot is all right, and the consequences are kep

t up to day of the month reasonably good, Infoseek is all right merely like Hotbot, the two are about the same in my sentiment. Excite is a good hunt engine and I use it from clip to clip, normally if I have problem happening something it s 2nd on my list. Dogpile.com is besides an first-class hunt engine that combines the best hunts into one. It s good if you are holding a batch of problem happening something, but once more it s the same as sing each hunt individually merely on the same page. I find that first paraphrasing my hunt is more helpful than seeking over many different hunt engines at one clip, besides it can be really clip devouring traveling through all the consequences a hunt like Dogpile.com generates, whereas with the right hunt on one engine right consequences are frequently the first on the list. Below is a chart exposing many features of different hunts, and different Boolean footings that can be used in each one.

Database AltaVista Excite HotBot Infoseek Lycos Northern Light

Scope

Contented Size 250M pages 250M pages & A ; media objects 110M sites 75M pages 50M pages 200M sites

Full-text Yes Yes Yes Yes No Yes

Logic

Default word OR OR AND or and and

Boolean connections AND, AND NOT, NEAR AND, AND NOT OR, NOT and, non or, non, adj. , near, before, far or, non

Phrase hunt Citation Markss Quotations Markss Quotation Markss Quotation Markss Quotation Markss Quotation Markss

Shortness No, utilize * No No, ? for one right-hand missive ; * for left-hand No No Automatic

Case sensitive Yes No Yes Yes No No

Wordss included Use + Use + Use + Use + Use + Use +

Word riddance Use & # 8211 ; Use & # 8211 ; Use & # 8211 ; Use & # 8211 ; Use & # 8211 ; Use & # 8211 ;

Duplicate sensing Grouped under one rubric Yes Grouped under one title Yes Yes Yes

Particular characteristics Limit by day of the month, linguistic communication, or format field followed by a colon Concept seeking suggests footings Limit by day of the month, linguistic communication, location, page deepness Find similar hunts Search for image and sound files Custom booklets

AltaVista Excite HotBot Infoseek Lycos Northern Light

As you can see, all of these hunts have their ain features and the one you choice is up to you and on what you feel most comfy with.

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