Mark Levene, An Introduction to Search Engines and Web Navigation © Pearson Education Limited 2005 Slide 1.1 Chapter 1 : Introduction The World-Wide-Web.

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Presentation transcript:

Mark Levene, An Introduction to Search Engines and Web Navigation © Pearson Education Limited 2005 Slide 1.1 Chapter 1 : Introduction The World-Wide-Web has revolutionized the availability and access to information. Billions of web pages may be viewed through search engines, and this is only a fraction of what is hidden in searchable databases. The problem of Web Interaction is tackled by –Search Engines –Navigation tools

Mark Levene, An Introduction to Search Engines and Web Navigation © Pearson Education Limited 2005 Slide 1.2 Description of Chapters Ch 2: Problem of web search Ch 3: Problem of web navigation Ch 4: Search engine basics Ch 5: Ranking of search engine results Ch 6: Different types of search engines Ch 7: Navigation tools and metrics Ch 8: The mobile web Ch 9: The social web

Mark Levene, An Introduction to Search Engines and Web Navigation © Pearson Education Limited 2005 Slide 1.3 Brief History of the Web Figure 1.1: Bushs memex (1945)

Mark Levene, An Introduction to Search Engines and Web Navigation © Pearson Education Limited 2005 Slide 1.4 Brief History of the Web Figure 1.2: Nelsons Xanadu (1965)

Mark Levene, An Introduction to Search Engines and Web Navigation © Pearson Education Limited 2005 Slide 1.5 Brief History of the Web Figure 1.3: Engelbarts oN Line System (1968)

Mark Levene, An Introduction to Search Engines and Web Navigation © Pearson Education Limited 2005 Slide 1.6 Brief History of the Web Figure 1.4: Tim Berners-Lees first web browser (1990)

Mark Levene, An Introduction to Search Engines and Web Navigation © Pearson Education Limited 2005 Slide 1.7 Brief History of the Web Figure 1.4: Marc Andreessens Mosaic Browser (1993)

Mark Levene, An Introduction to Search Engines and Web Navigation © Pearson Education Limited 2005 Slide 1.8 Brief History of Search Engines (see Yahoo! ( - (1994-) directory service and search engine. Infoseek – ( ) search engine. Inktomi – (1995-) search engine infrastructure, acquired by Yahoo! AltaVista – (1995-) search engine, acquired by Overture in AlltheWeb – (1999-) search engine, acquired by Overture in Ask Jeeves ( - (1996-) Q&A and search engine, acquired by IAC/InterActiveCorp in Overture – (1997-) pay-per-click search engine, acquired by Yahoo! MSN Search ( – (2004-) Microsoft Networks search engine. Google ( – (1998-) – search engine.