In information retrieval a few strong words. They really descriptive and get right to the point of what people are looking for. Other words have little value does not exist. The reason the concept of stop words appear is that you really can not say much about the documents that include words such as, an, and, that, etc.. The other side of stop words are words that have a high discrimination values. Recently I was looking to see if there are FedEx office in the town where my mother lived, and although no one, Google still returned a few pages (home pages and page store locator) from FedEx.com web site in search results. That's great search results, and Google is smart to place more weight on core concepts in a search word (FedEx), while placing less weight on the location. Words that have a low discrimination value may have a higher discriminatory value when combined with neighboring words. Heat and dogs may have different meanings when they are adjacent. As described in this Wired article:     Take, for example, how to learn engine Google is synonymous words. "We found it very good beginning," said Singhal. "People change the words in their request. So, someone will say, 'photographs of dogs,' and then they'll say, 'photographs of a puppy." So who said that maybe' dog 'and' dog 'which interchangeable. We also learned that when you boil water, the water was hot. We learned back semantics of human beings, and that's a big improvement. "     But there are obstacles. Google is synonymous system is understood that a similar dog with the dog and the boiling hot water. But it also concluded that the hot dog with puppies boil. The problem was fixed in late 2002 by a breakthrough that is based on the theories of philosopher Ludwig Wittgenstein about how words are defined by the context. As Google crawls and billions of archived documents and Web pages, analyze what those words close to each other. "Hot dog" would be found in a search that also contains the "bread" and "mustard" and the game of baseball "" - not boiled pooches. Algorithm that helps to understand what is "hot dog" - and millions of other terms - is intended. "Today, if you type in 'Gandhi's bio,' we know that bio biography means," said Singhal. "And if you type bio war ',' means biological." The concept of discrimination also has a value outside the search. If you get feedback from an anonymous person in a third-party sites because it got so much weight (maybe none). If you get feedback from someone who is not anonymous it will be more severe. If you get feedback from customers will pay far more severe. One of the most powerful level of discrimination was the payment. If someone pays you (usually) you know who they are and they have expressed interest in significantly exceed what most people would do. I think the online business model to demand payment of regular users are not hyped and is not considered sexy because those models are often slow due to the gap cent growth and the need for greater trust to convert. While a marketer programming can be heard from the new network (say Pippers) and create 40 000 fake accounts in one hour. Pippers owner can then talk about their explosive growth in the media, those who get media coverage. In turn this will enhance their ability to raise capital and to continue "their growth." But a lot of social networks end up being a bag of smoke that will fade as they aim for the bucket as a creature in a very broad database and to have little discrimination value. I have read Are You Not Gadget and he compared the depersonalization of an extensive social network for the beauty of a forum he is a member of the oud. Many such as charging for entry, obscurity is a filter that increases the level of discourse. Compare the comments on the * site * niche topics to what you find on Youtube. If you can show that the site is consistently worse than Youtube (outside sites like 4Chan that specialize in making the campaign to try to make orang memiliki epileptic seizures), I'll buy you a beer kemudian next time we met. : D My wife FaceBook account deleted because she was upset at the behavior of some people on it. Part of the problem with social networks is that they are so broad and so the friction that your activities on them are not really important. As a marketer there are several ways to play such a network Largely ignored Make friends with everyone Use the bot As marketers the first of those options means that you save your time to pay the higher regions, and the second of those options means more people see more of what the distribution of content that you create. But a lot of help is the best tool dubious short-term opportunistic ploys. The third option means you are one person who will go out of their way to make the web even worse, but it will be a lot. ;) Generally given every month I have not been on Facebook for more than five minutes outside writing & ad targeting, or approve some real "friends" and hundreds to thousands of others who claimed to be my friend. But if you message me on FaceBook exactly 0% chance to get answers. :) When Facebook launched Beacon several years ago they wanted to sell the peer pressure as the ad unit. If the brand can show that your friends do something then maybe that can help lead to a kind of cumulative environmental benefits that you follow along. Beacon is a conspicuous violation of the privacy of users as it quickly shot down by the market. But with the new FaceBook such as buttons, they tried to use as click a button to enter your name in the ad:  "Marketers have always known that the best way to sell something to get your friends to sell it," said Sheryl Sandberg, Facebook chief operating officer. "That's what people do all day on Facebook We enable effective advertising word of mouth on the scale for the first time .." In the short term may work, but in the longrun i do not like the concept. Many reasons. You can agree with a certain thing and people say that while almost contrary to their general philosophy on life. For example, when we released that "How Google Works one" last week's infographic from journalists who wrote about it also mentioned how dirty and nasty SEO industry, but he is willing to promote the SEO efforts because it was published on a blog by the acronym in the younger domain name . : D ... Of the 3000 + people who chose us may be less than half of them knew anything about me, or even my relationship with the site. You may like one product from the company, but unlike their other products. I have been working with Godaddy as registrar for many years. And I have no complaints on that front. But they also sell some search engines delivery service that I would be horrified to see my name promotes. You click the button once on one page. Many years later the business is trading you liked in other areas ... they moved from the remaining inventory for spyware, and you recommend them. ;) An individual can have many lines of work. You may want to Thom Yorke of Radiohead role, but you may not like the political views or solo work. Imagine when someone buys a car that you have recommended passive factory defects. One of their loved ones were killed, and you eat blame. As with any business, people change from time to time. This is particularly true in business, in which a former spouse or a friend out of their way to betray your trust and screw you. How do I love working with the 301 redirect? How does it work when the content of the pages actually shifted from useful to peddle garbage to the hyped up sales letters? Such a discrimination does not have much value. And it should not last long. Why do you like anything? When do you prefer? Who knows. Would you like a Toyota right up to the brake does not work? Once you get out of the hospital, how do you feel when your friend asks you why you are still promoting their products? Do you work for a digital sharecropper like Jason Calacanas host that requires you to drive their garbage to other places? How do you feel when your friend asks you why you are promoting your trash after she canned with a notice of weeks while bragging how they have approached the break-even and has more than eight years of cash in the bank? Once people experience will they become tired and stop recommending things? And if there isn'ta reaction to the button and then given a sufficient time from your friends will like almost anything. No matter the product / service / offer ... if the pool you "friend" large enough then one of them is to receive affiliate commissions to encourage something, one of them owes assistance to the traders, and one of them like to traders because they take the tab at the bar last month. Waves old girls blonde haired 18-year 100 million who are lonely have joined FaceBook Friending up in despair and then promoting goods scammy to them through such automatic key clicks. And of course there will be services such as SpikeTheVote. Sure fad may work in the short term, but with enough time and there will be a recommendation of a friend to almost anything. After wearing the new man to do so important? In the database records at any time can be ad targeting mechanism. Am I going to promote some of my products are thousands of "friends" to create or support with a click of the mouse that changed the purpose after the fact? At first a strong online petition because they seem to have mobilized people plot. But then people realized that the voices represent no more than sending automatic form and clicking send. Two mouse clicks. Not a lot of discrimination.
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