The Search Engine Google Computer Science Essay

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Introduction

Google Inc is a multinational public cloud computing, Internet search and advertising technologies corporation. The company was founded by Larry Page and Sergey Brin on September 1998. It was listed by Alexa as the Internet's most visited website due to its popularity and numerous products and services, such as maps, news, Google search, Google Chrome and Android. The products and service that are going to be compared here are Google search with Yahoo! search, Gmail with Yahoo Mail,Google Chrome with Internet Explorer

Google Search is a web search engine developed by Google Inc. and is the most popular search engine on the Web. Google receives several hundred million queries each day through its various services. The main purpose of Google Search is to search the texts in the webpages, as opposed to other data, such as with Google Image Search. Google Search provides at least 22 special features beyond the original word-search capability. These include synonyms, weather forecasts, time zones, stock quotes, maps, earthquake data, movie showtimes, airports, home listings, and sports scores.

Yahoo! Search is a web search engine developed by Yahoo! Inc. At December 2009, it was the second largest search engine on the web by query volume, at 6.29%, just after its competitor Google which have volume of 85.35% while Bing has only volume of 3.27%. Initially, Yahoo! Search acted as a web directory of other websites. It is organized in a hierarchy, as opposed to a searchable index of pages. In the late 1990s, Yahoo! evolved into a full-fledged portal with a search interface and, by 2007, a limited version of search. Yahoo! Search, originally referred as Yahoo! provided search interface, would send queries to a searchable index of pages supplemented with its directory of sites. The results were presented to the user under the Yahoo! brand. Originally, none of the actual web crawling and storage/retrieval of data was done by Yahoo! itself. In 2001 the searchable index was powered by Inktomi and later was powered by Google until 2004, when Yahoo! Search became independent.

Gmail is a free, advertising-supported webmail, POP3, and IMAP service provided by Google. Gmail was launched as an invitation-only beta release on April 1, 2004. It only became available to the general public on February 7, 2007, although it is still in beta status. On December 2009, it is found that 176 million people use it monthly. On July 7, 2009, the service was upgraded from beta status along with the rest of the Google Apps suite.With an initial storage capacity of 1 GB per user, Gmail significantly increase its storage capacity due to its competition with other company like Hotmail and Yahoo Mail. Gmail has a search-oriented interface and a "conversation view" similar to an Internet forum. Software developers know Gmail for its pioneering use of the Ajax programming technique.

Yahoo! Mail (simplified to Y! Mail) is a free web mail service provided by Yahoo!. It was started in 1997. It is currently the largest web-based email service, followed closely by its competitor Windows Live Hotmail. Nowadays, Yahoo! offers two versions of Yahoo! Mail: an Outlook-like Ajax interface based upon code the company acquired from oddpost in 2004, as well as the traditional full-page-scroll "Yahoo! Mail Classic," which continues the availability of the simpler 1997-2006 interface for the brand's considerable installed base of users. In early 2008, Yahoo! started offering unlimited mail storage even to its users, in response to heated competition in the free-web mail market segment.

Google Chrome is a web browser developed by Google that uses the WebKit layout engine and application framework. It was first released as a beta version for Microsoft Windows on 2 September 2008 while the stable version was released on 11 December 2008. The name is derived from the graphical user interface frame, or "chrome", of web browsers. As of July 2010, Chrome was found the third most widely used browser, with 7.16% of worldwide usage share of web browsers, by Net Applications.

Windows Internet Explorer (formerly Microsoft Internet Explorer), is a series of graphical web browsers developed by Microsoft and included as part of the Microsoft Windows line of operating systems starting in 1995. It has been the most widely used web browser since 1999. It attained a peak of about 95% usage share during 2002 and 2003 with IE5 and IE6. After its peak, Internet Explorer's usage share decreased to 55% due to the introduction of other web browsers. Over $100 million per year on IE in the late 1990s by Microsoft , with over 1000 people working on it by 1999. The latest release is Internet Explorer 8, which is available as a free update for Windows XP with Service Pack 2 or later, Windows Server 2003 with Service Pack 1 or later, Windows Vista, and Windows Server 2008, and is included with Windows 7 and Windows Server 2008 R2.

Google Search and Yahoo Search

Many people will have this experience: When opening the google search website, it significantly faster and the appearance is more clean. On the other hand, when opening the yahoo search website, the arrangement of the website seems to be more complicated and having more content. We feel that google provide the knowledge that people want while yahoo lead people to rich and organized data, providing more information. The diagram below shows the arrange difference of data of google search and yahoo.

The Merriam-Webster dictionary defines the two terms as follows:

Knowledge : a (1) : the fact or condition of knowing something with familiarity gained through experience or association (2) : acquaintance with or understanding of a science, art, or technique b (1) : the fact or condition of being aware of something (2) : the range of one's information or understanding

Information : a (1) : knowledge obtained from investigation, study, or instruction (2) : INTELLIGENCE, NEWS (3) : FACTS, DATA b : the attribute inherent in and communicated by one of two or more alternative sequences or arrangements of something (as nucleotides in DNA or binary digits in a computer program) that produce specific effects c (1) : a signal or character (as in a communication system or computer) representing data (2) : something (as a message, experimental data, or a picture) which justifies change in a construct (as a plan or theory) that represents physical or mental experience or another construct d : a quantitative measure of the content of information; specifically : a numerical quantity that measures the uncertainty in the outcome of an experiment to be performed

We cannot conclude which search engine is better by determining their way of providing the information. We can only say emphasize that google search is providing information obtained via investigation, study, data, measurement and numerical quantities while yahoo search is providing knowledge obtained via personal experience, association, awareness and understanding.

We cannot compare google search and yahoo search directly since different people have their preference. However, we are still able to compare them from the technical views. The table below summarizes the features of google search and yahoo search.

Search Engines

Google

Yahoo

Boolean

-, OR

AND, OR, NOT,

( ), -

Default

and

and

Proximity

Phrase

Phrase

Truncation

No (stems)

word in phrase

No

word in phrase

Fields

intitle, inurl, link, site, more

intitle, inurl, link, site, more

Limits

Language, filetype, date, domain

Language, filetype, date, domain

Stop

Few, + searches

No

Sorting

Relevance, site

Relevance, site

Gmail and Yahoo Mail

Email is a service transferring data through the internet. Nowadays, email is getting more and more popular because it is more efficient and cost less (even free of charge) than the traditional mail. It is quite difficult to find people who do not have an email account. Sometimes, people have different email account for different purposes. For example, some is for official usage and some is for private usage. There are lot emails services available with different features with send and receive mail as a basic feature such as gmail, yahoo mail, hotmail, rocketmail and so on. Due to the competition, the companies keep adding a variety of services like chatting besides upgrade its mail feature. The mail service that we are going to talk about is gmail, from Google and yahoo mail, from Yahoo!. We will now compare them according to their chart feature, file organizing, contact storage, file attachments , spam folders and professional credibility.

Chat Feature

The chat feature is something like sms (short message service), which is available on the phone, but it works with the internet and it is normally free of charge. Both Gmail and Yahoo mail have this feature but they have it in different ways. For Yahoo Mail, they have a program named Yahoo Messager for chatting. On the other hand, Gmail have this feature on their mail, no program is needed but the user interface seems to be more complicated since many feature is available at one time, unlike Yahoo Messager, which is just for chatting.

File Organizing

If you do not have much mail, your will not consider about it. However, it comes as a problem if your mail is increasing, especially when you are finding a specific mail. When you are organizing mails, you will find that both of them enable you to organize your mail according to the label. The small difference between them is Yahoo Mail let you organize your mails with unlimited folders whereas gmail is limited to only four folders.

Contact Storage

Sometimes we send email to people that is not in our contact. The way Gmail and Yahoo Mail manage the new contact is different. Yahoo Mail will leave the contact unless you add it while Gmail will automatically add it to your contact list. To some people, it is really helpful.

File Attachment

File attachment is an important feature in email. Almost all of us have used it before to send some file. It is quite convenience because we can just store our file online if we do not have our pendrive with us. Again, almost all email provider have this feature. However, the file attachment from Gmail and Yahoo Mail has some difference. For Gmail, we can attach the file on the page we write mail. For Yahoo Mail, we have to go to the other page to attach file and it is only limited to five files. For those who would like to attach more file, Gmail is highly recommended.

Spam Folder

When we talk about spam, we means receiving a lot same mail which contains advertisement, virus and other link. The number of spam is so high that sometime people will feel curious and open it. So, the email provider will move the spam mails into a specific folder, which is called spam folder. Both Gmail and Yahoo Mail provide this function. However, it is often found that Yahoo Mail has higher changes of getting the spam into the mail folder, which make it annoying.

Professional Credibility

The free email service provided only is always for the private user. If we need the email for professional purposes, which causes us to receive a huge amount of mails , we need to pay extra money. However, gmail has added a new function allowing you to set up an account with your domain name recently. So, it is also a good choice for professional uses and it can also save costs.

Gmail Yahoo Mail

Google Chrome and Internet Explorer

Internet browser is one of the most important software in our computers. This is because it is our pathway to internet, a rich amount of various sources. Definitely, many people who have browsed the internet had used the internet browser. Nowadays, there are many kinds of internet browser such as Google Chrome, Internet Explorer, Opera and Safari. Each of them have their specialization, such as speed and more function. The internet browser that we are going to touch is Google Chrome and Internet Explorer.

Since there are too much internet browser, people always try to find the best one. An internet browser research is carried out recently. Many browsers have been tested but we are going to focus on the Google Chrome and Internet Explorer. The version of the Google Chrome and Internet Explorer are 1.0.154.36 and 7.0.5730.13 respectively. All browsers are tested on same machine Athlon 3800 64bit, Gigabyte M55S-S3 mainboard and 2 GB DDR2 ram and Windows XP with SP2.The a lot of test but we focus on the basic test includes cold start test, warm start test, javascript speed test, memory usage test and setup size.

Cold Start Test

Cold start test is a test that measures the average time needed for each of the browsers to start up after the window has finished loading. The result for Google Chrome and Internet Explorer are 1.6 and 3.8 seconds respectively. The cold start speed of the former is significantly faster than the later.

Warm Start Test

Warm start test is a test that measures the average time needed for each of the browsers to start up after turn it off without logging out or changing user of windows. The result for Google Chrome and Internet Explorer are 0.5 and 0.6 seconds respectively. The results are quite close.

Javascript Speed Test

Javascript test is a test that measures the average time for the javascript to load. The test is being carried out at http://www.celtickane.com/. The result for Google Chrome and Internet Explorer are 246 and 1031 seconds respectively. The speed of the former is about four times faster than the later.

Momory Test

If the memory used by a program is high, it will affect the function the efficiency of the whole system. So, it is better for a browser to run at low memory. The result for Google Chrome and Internet Explorer are 42 and 21 MB respectively.

Setup Size

This might be the most unimportant test. It compares the size of the setup of the browsers. However, in those days when internet connections are very slow, this might be taken into consideration. The setup size of Google Chrome and Internet Explorer are 8.43 and 14.7 MB respectively.

Below table summarizes the data:

Google Chrome 1.0.154.36

Internet Explorer 7.0.5730.13

Cold Start Test (s)

1.6

3.8

Warm Start Test (s)

0.5

0.6

Javescript Test (s)

246

1031

Memory Test (MB)

42

21

Setup Test (MB)

8.43

14.7

Conclusion

Google search is providing information obtained via investigation, study, data, measurement and numerical quantities while Yahoo search is providing knowledge obtained via personal experience, association, awareness and understanding. As for me, I prefer using Google search because of its simple user interface and efficiency in term of finding the exact information.

There are a lot features should be considered but we compare only the chart feature, file organizing, contact storage, file attachments , spam folders and professional credibility of the browsers. Gmail has advantage on contact storage, file storage, organizing spam folders and professional credibility while Yahoo Mail has advantage on chart feature and file organizing. Personally, I think Gmail is better because it have less spam mails when I use it. This saves me a lot of problem when I need to find a mail.

As shown before, basic test of Google Chrome and Internet Explorer such as cold start test, warm start test, javascript speed test, memory usage test and setup size. Google get better score on every test except memory test. Google Chrome is a very young browser but it seems to be faster than other browsers. That is the reason why I choose Google Chrome.

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