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baidu lied

it said there were 132 000 consequences but only showed its 7 pages. i dont believe the conclusion that there were 20 000 consequences per page. do you believe that, baidu’s admins ?and the baidu’s fans?

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Critical Analysis Of Web Crawlers’ Algorithms

Critical Analysis Of Web Crawlers’ Algorithms

Critical Analysis of Web Crawlers’ Algorithms

Minou Parhizkar 0527553

Abstract- A web crawler is a program or automated speech which browses the World Wide Web in a methodical, automated manner. The objective of the paper is to make a make a critical analysis of the algorithms used by Web Crawlers. It intends to review and evaluate the different and various approaches to the methods used by the different web search engines to register the information.

Index Terms-

Web Crawler, Search Engines, WWW, SEO

•I. INTRODUCTION

The software that searches for information and returns sites which provide that information is referred to as a search engine or web crawler. Everyone uses web crawlers-indirectly, at least! Every time you search the Internet using a benefit such as Alta Vista, Excite, or Lycos, you’re making use of an index that’s based on the output of a web crawler. Web crawlers-also renowned as spiders, robots, or wanderers-are software programs that automatically traverse the Web. Search engines use crawlers to find what’s on the Web; then they construct an index of the pages that were found.

Search Engines use spiders to index websites. When you submit your website pages to a search engine by completing their required submission page, the search engine spider will index your entire site. A ‘spider’ is an automated program that is run by the search engine system. Spider visits a web site, read the content on the real site, the site’s Meta tags and also follow the links that the site connects. The spider then returns all that information back to a central depository, where the data is indexed. It will visit each link you have on your website and index those sites as well. Some spiders will only index a particular number of pages on your site.

A spider is nearly like a book where it contains the table of contents, the real content and the links and references for all the websites it finds during its search, and it may index up to a million pages a day.

Example: Google spider

When you question a search engine to locate information, it is really searching through the index which it has made and not really searching the Web. Different search engines produce different rankings because not every search engine uses the same algorithm to search through the indices.

One of the things that a search engine algorithm scans for is the frequency and location of keywords on a web page, but it can also detect artificial keyword stuffing or spamdexing. Then the algorithms analyze the way that pages link to other pages in the Web. By checking how pages link to each other, an engine can both determine what a page is about, if the keywords of the associated pages are similar to the keywords on the first page. Most of the top-ranked search engines are crawler based search engines while some may be based on human compiled directories. The people behind the search engines want the same thing every webmaster wants – traffic to their site. Since their content is mainly links to other sites, the thing for them to do is to make their search engine bring up the most relevant sites to the search query, and to show the best of these consequences first. In order to accomplish this, they use a complex set of rules called algorithms. When a search query is submitted at a search engine, sites are determined to be relevant or not relevant to the search query according to these algorithms, and then ranked in the order it calculates from these algorithms to be the best matches first.

Search engines keep their algorithms surprise and change them often in order to preclude webmasters from manipulating their databases and dominating search consequences. They also want to provide new sites at the top of the search consequences on a regular basis very than always having the same ancient sites show up month after month. An vital difference to realize is that search engines and directories are not the same. Search engines use a spider to “crawl” the web and the web sites they find, as well as submitted sites. As they crawl the web, they draw together the information that is used by their algorithms in order to rank your site.

This paper aims at critically analyzing various search engineers, how they work and comparing their algorithms.

•II. Effective of web crawlers – a detailed look up

Let us now look at a more detailed explanation on how Search Engines work. Crawler based search engines are primarily composed of three parts.

A search engine robot’s action is called spidering, as it resembles the multiple legged spiders. The spider’s job is to go to a web page, read the contents, connect to any other pages on that web site through links, and bring back the information. From one page it will travel to several pages and this proliferation follows several parallel and nested paths simultaneously. Spiders frequent the site at some interval, may be a month to a few months, and re-index the pages. This way any changes that may have occurred in your pages could also be reflected in the index. The spiders automatically visit your web pages and make their listings. An vital aspect is to study what factors promote “deep crawl” – the depth to which the spider will go into your website from the page it first visited. Listing ‘submitting or registering’ with a search engine is a step that could accelerate and increase the chances of that engine “spidering” your pages.

The spider’s movement across web pages stores those pages in its memory, but the key action is in indexing. The index is a huge database containing all the information brought back by the spider. The index is constantly life updated as the spider collects more information. The entire page is not indexed and the searching and page-ranking algorithm is applied only to the index that has been made. Most search engines claim that they index the full visible body text of a page. In a subsequent section, we clarify the key considerations to ensure that indexing of your web pages improves relevance during search. The combined grateful of the indexing and the page-ranking process will lead to developing the right strategies. The Meta tags ‘Description’ and ‘Keywords’ have a essential role as they are indexed in a specific way. Some of the top search engines do not index the keywords that they consider spam. They will also not index particular ‘stop words’ (commonly used words such as ‘a’ or ‘the’ or ‘of’” so as to save space or speed up the process. Images are obviously not indexed, but image descriptions or Alt text or “text within comments” is included in the index by some search engines.

The search engine software or program is the final part. When a person requests a search on a keyword or phrase, the search engine software searches the index for relevant information. The software then provides a crash back to the searcher with the most relevant web pages listed first. The algorithm-based processes used to determine ranking of consequences are discussed in greater detail later.

These directories compile listings of websites into specific industry and subject categories and they usually carry a fleeting description about the website. Inclusion in directories is a human task and requires submission to the directory producers. Visitors and researchers over the net quite often use these directories to locate relevant sites and information sources. Thus directories help in structured search. Another vital reason is that crawler engines quite often find websites to crawl through their listing and links in directories. Yahoo and The Open Directory are amongst the largest and most well renowned directories. LookSmart is a directory that provides consequences to partner sites such as MSN Search, Excite and others. Lycos is an example of a site that pioneered the search engine but shifted to the Directory model depending on AlltheWeb.com for its listings.

Hybrid Search Engines are both crawler based as well as human powered. In plain words, these search engines have two sets of listings based on both the mechanisms mentioned above. The best example of hybrid search engines is Yahoo, which has got a human powered directory as well as a Search toolbar administered by Google. Although, such engines provide both listings they are generally dominated by one of the two mechanisms. Yahoo is renowned more for its directory very than crawler based search engine.

Search engines rank web pages according to the software’s grateful of the web page’s relevancy to the term life searched. To determine relevancy, each search engine follows its own group of rules. The most vital rules are.

- The location of keywords on your web page; and – How often those keywords grow on the page ‘the frequency’

For example, if the keyword appears in the title of the page, then it would be considered to be far more relevant than the keyword appearing in the text at the bottom of the page. Search engines consider keywords to be more relevant if they grow sooner on the page (like in the headline) very than later. The thought is that you’ll be putting the most vital words – the ones that really have the relevant information – on the page first.

Search engines also consider the frequency with which keywords grow. The frequency is usually determined by how often the

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PictureSlide.com is First to Offer Free Photo Books

La Habra, CA (PRWEB) June 23, 2006

PictureSlide.com is taking a bold step and is now offering photo books for free.

According to Charles Bryant, PictureSlide.com marketing manager, “the reason for this unique and generous offering is that we want people to use our software and see a book first hand. It is our belief that once people see how simple the software is to use and the quality of the final book, they will come back over again and over again”.

PictureSlide.com is quick gaining the reputation as the “best of the best” in the photo book marketplace. The software is the simplest to use, yet has robust features that allows users to make truly unique and tailored photo books. Charles Bryant highlighted PictureSlide.com growth has truly been incredible. “We found that word of mouth was our best marketing tool. Essentially, seeing is believing. That is the reason we have chose to try this promotion. We reckon people will show others and word of mouth will continue to spread”.

The offer is limited to one 20 page, 6” x 4” book per customer, without shipping. “These books are fantastic for carrying in your purse or wallet. We also reckon customers will be very impressed with the affect reproduction and binding quality. They are library quality.” says Bryant.

These books are ideal for showing your photographs. Many people are using them as special occassion presents. Customers are using the books to show weddings, generous events, baby, and travel just to name a few.

The promotion is life test marketed and will be running until July 31, 2006. To get your free book, you simply log on to PictureSlide.com and click the free photo book link, fill out a form and PictureSlide.com will send you a code that allows to order a free book. The promotion is limited to one book per customer.

For additional information, or to get your free photo book log onto PictureSlide.com

###

, Vocus PRW Worth, LLC.
Vocus, PRWeb, and Publicity Wire are trademarks or registered trademarks of Vocus, Inc. or Vocus PRW Worth, LLC.

what is the price internationally per word or per page for a translation work?

Question by Sylvestre Ulrick: what is the price internationally per word or per page for a translation work?

Best answer:

Answer by Terra Nostra
In Sri Lanka, it is one small bowl of rice for a page. It might be a bit more in the States.

Add your own answer in the comments!

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What stats do you get on your blog with Google Analytics?

Question by lol e: What stats do you get on your blog with Google Analytics?
Right now, I have 8,327 visits, 13,766 pageviews, 1.65 page views per visit, 72.32% bounce rate, 1:27 average time on site, and 73.24% new visits. My blog’s been tracking on Analytics for about 20 days now.

You?

Best answer:

Answer by fritteritter
About 2/3 the number of visits and pageviews, other stats are very close to mine.

Add your own answer in the comments!

The Dos & Don’ts of Yellow Page Advertising

The Dos & Don’ts of Yellow Page Advertising

In a smaller town with one main book, the Yellow Page ad usually proves to be a valuable investment for most business owners, but only if the ads are excellent! Let’s start off by looking at some of the common mistakes that are made in Yellow Page ads and how to avoid them.

1) Unless your business is nearly really dependent on the yellow pages, say like a rental car company, a self-storage space facility, or a locksmith, do not spend all of your advertising money on yellow pages. Do not go in several different books either; it costs too much money. Pick the best book and spend the rest of your money on local photograph and direct mail advertising. Try to keep your yellow-page cost to a maximum of 30% of your monthly advertising budget, preferably less.

2) Do not waste space with useless information. The space costs too much money to waste. Every time you design a Yellow-Page ad, picture a square filled with hundred-dough bills, because that’s what that ad really is — your money. Come up with the very best way to use this space to your advantage.

3) Do not, as many businesses do, place a huge headline like AUTO SALES, when the yellow pages have already done that for you at the top of the page. If you are in the auto section, you don’t have to waste space telling people that.

4) Do not use reverse type for any more than a single line. While ad reps
will tell you that it makes your ad stand out, what it really does is makes your ad 25% harder for the human eye to read. Now why would you want to do a thing like that?

5) Do not pay extra for several different colors — it’s not worth the extra money! Unless you get it thrown in as part of the deal, which you often can just by asking!

6) Do not let the Yellow Pages typeset your ad, they will screw up it up if they can. Take it to a graphics shop or photograph shop and have them do it for you. It will only cost a few bucks, and you will know that the phone number and ad are right. Trust me on this one, it’s awkward to wait 12 months for the phone to ring because they listed the incorrect phone number. It’s happened to me, it won’t ever happen to me over again!

7) If you were in ad sales you would take the distress to learn something about ads, wouldn’t you? Most don’t! Do not let the advertising representative design your ad. They know nothing! They are there to sell you space, let them do that and nothing else.

Do not use a photograph unless it is perfect. That earnings a picture with brilliant clarity and a contrasting background. When you photograph with high volume presses on low quality paper, the photograph will get 20%-30% darker. In many cases your photo ends up looking like a black cat in a coal cellar at midnight. Only use excellent, clean photos and drop out the background to make them even better.

9) Do not point the photograph off the page or at somebody else’s ad. This takes the reader’s eye with it. The picture or graphic should always be facing the information you want the reader to READ!

10) Do not make the ad so cluttered or the type so small that it is hard to read or people will just pass your ad over
and go to the next. Use 12-point or larger type, 55% of Americans can’t read anything smaller.

Yellow Pages Do’s

People who read the Yellow Pages are in a buying mood! Help them make the choice to choose your business by as long as clear, simple and useful information about you and what you offer!

1) Use a benefit in your headline for your Yellow Page ads. Try to use the words YOU, YOUR, YOURSELF or

FREE in the headline.

Give your child a head start in life at XYX preschool!
You don’t pay unless we collect!
Family Pizza Centers are Fun!
Free estimates in writing!

2) Place a distinctive border around your ad to isolate it from the others and to make it Stand out. A bold black border is fine, although you can do a custom frame that ties in with your business. For example an art gallery might use a picture frame. Shadow the bottom line of your ad and the right side to give your ad a 3D look and make it stand out more.

3) Use a few and well chosen fleeting buzz sentences that offer benefits:
* Family Pizza close, affordable & fun!
* Lose weight and Increase your fitness for a longer, healthier life!
* The Computer Doctor offers same-day repair or replacement on all hardware!

Notice that each of these sentences provides a clear and direct benefit to the reader as opposed to putting a bullet that tells them nothing.

4) Use a picture that appeals to all the groups you are trying to reach. By showing a man, women and children in an ad, you say that you offer something for each of these groups without having to use up valuable copy space to do so.

5) Make the phone number simple to find. That earnings putting it at the bottom of your ad in large type! Try to get a phone number that is simple to remember like 589-5000, 589-1234 or 555-GOLF. Then tell the readers what you want them to do, CALL NOW !!!!

6) When negotiating for space, remember that ad space is blue sky. Once you get the best price that you can for a plain show ad, start asking for more. Question for free spot affect, additional free boldface listings, or even a following ad. You don’t get anything by not asking, and you will often be bowled over at what you do get!

7) If there are other similar businesses close to yours, place a small map in your ad and give a major landmark that the caller will recognize. Across from Wal Mart. Once you have gone to all the distress of doing a excellent ad, the last thing you need is a prospect going to the incorrect business.

Plot in advance, don’t wait until the last minute when you will be forced to settle for a less than perfect ad. Call your Yellow Pages today and find out what the deadline is for their next book. Then make your own deadline six weeks ahead of the final deadline. Always insist on seeing a final waterproof of your ad before it is in black and white. Once a phone number is in black and white incorrect, it stays incorrect all year!

9) Once you have gone to the distress of designing a excellent Yellow Page ad, don’t blow it by having an answer machine on the other end of the phone. People who are using the yellow pages want answers now. If they get your answer machine, the chances are that they are simply going to call the next listing in the book, even if it is an inferior ad. To avoid this terrible fate, consider: Being paid an answer benefit. Forwarding the number to your home. Or carrying a mobile phone around with you.

10) Last, but not least, make sure you train yourself and your staff on excellent telephone procedures. Over 50% of your potential clients can be lost on the first phone call.

Andrew Wood is the world’s leading expert on golf related marketing. He is the author of over 20 books including Cunningly Clever Marketing, The Golf Marketing Bible, How to Market Your Club on the Internet and The Membership Sales Success System. Andrew speaks worldwide on sales and marketing topics and is in high demand as a copywriter and marketing consultant. He is also the CEO and Owner of multiple golf marketing companies including Legendary Marketing and Legendary Golf Management.

Condition from articlesbase.com

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