Storage Retrieval

Download Web Dragons: Inside the Myths of Search Engine Technology by Ian H. Witten PDF

By Ian H. Witten

Seek engines-"web dragons"-are the portals during which we entry society's treasure trove of data. How do they stack up opposed to librarians, the gatekeepers over centuries prior? What position will libraries play in an international whose details is governed by means of the net? How is the internet prepared? Who controls its contents, and the way do they do it? How do se's paintings? How can internet visibility be exploited by means of those that are looking to promote us their wares? what is coming day after today, and will we impact it? we're witnessing the sunrise of a brand new period, beginning correct now-and this publication exhibits you what it is going to appear like and the way it's going to swap your world.Do you employ se's on a daily basis? Are you a developer or a librarian, supporting others with their details wishes? A researcher or journalist for whom the net has replaced the very means you're employed? an internet marketer or website fashion designer, whose occupation exists a result of internet? Whoever you're: for those who care approximately info, this e-book will open your eyes-and make you blink.

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But it only became popular when Marc Andreessen, a young programmer in the National Center for Supercomputing Applications at the University of Illinois, created a graphical web browser called Mosaic that significantly improved upon Berners-Lee’s original design. Then the web exploded and has now populated every corner of our planet. The World Wide Web allows people to create and organize their own information spaces and share them with others. In Berners-Lee’s own words: There was no central computer “controlling” the Web, no single network on which these protocols worked, not even an organization anywhere that “ran” the Web.

We turned to early technologists and cited some of their concerns: Wiener’s preoccupation with communication as the basis for society and with the dynamic nature of information, and Bush’s belief in the personal library and the primacy of judgment over logic. The information revolution itself was fertilized by technical developments in computer science and required a reconceptualization of the notion of who the “users” of computers really are. Finally, we recounted how the web was born in a corner of a small country at the center of Europe.

It is meaningless to classify the query’s outcome in stark terms of success or failure. The web user is faced with an indefinitely long list of results, most of them irrelevant. Contrast this with the precise answer obtained by a database user. Unfortunately, this deep shift in perspective is not always perceived clearly. When querying a database, the interrogator knows that there is a clear connection between request and reply. When the same question is posed to a web search engine, there is no guarantee of user satisfaction—indeed, we cannot even measure it.

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