Info2006 Web20 Taly Print


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Info2006 Web20 Taly Print

  1. 1. טכנולוגיות שיתופיות וחיפוש ב -Web 2.0 Taly Sharon and Ariel Frank [email_address] INFO May 2006
  2. 2. Agenda <ul><li>The long Tail </li></ul><ul><li>Wikis </li></ul><ul><li>Blogs (search) </li></ul><ul><li>Ajax </li></ul><ul><li>Web 2.0 future – what about web n.0? </li></ul>
  3. 3. The Long Tail
  4. 4. The Long Tail
  5. 5. Wikis
  6. 6. Wikipedia
  7. 7. Wikipedia’s Size
  8. 8. לכל הרוחות – מדריך טיולים wiki . lekol - haruchot . co . il
  9. 9. What makes a Wiki <ul><li>Collaborative Writing </li></ul><ul><li>Easy editing and changing (wiki=quickly) </li></ul><ul><li>Monitoring changes </li></ul><ul><ul><li>History saved </li></ul></ul><ul><ul><li>Revert option </li></ul></ul><ul><li>Searching utility </li></ul><ul><li>Problems: Spam, Vandalism </li></ul>1994-1995
  10. 10. Spam Prevention <ul><li>Restricting the use of certain words or phrases, using word lists or regular expressions. </li></ul><ul><li>Blocking access based on excessive activity. </li></ul>
  11. 11. Vandalism <ul><li>Studies from IBM claim that most vandalism to Wikipedia is removed in 5 minutes or less. </li></ul><ul><li>In some cases it takes longer, as in the John Seigenthaler Sr. Wikipedia biography controversy . </li></ul><ul><li>In some cases, user accounts or IP addresses are banned from editing certain wikis, and certain pages may be 'locked', to prevent further vandalism. </li></ul>
  12. 12. ויקיפדיה בעברית
  13. 13. ויקיפדיה בעברית <ul><li>משתמשת ב -MediaWiki </li></ul><ul><ul><li>כמו כן רבות אחרות </li></ul></ul><ul><li>מופעלת על ידי מתנדבים ותורמים </li></ul><ul><li>כ -37,000 ערכים </li></ul><ul><li>כ -3,000 עדכונים ביום </li></ul><ul><li>כ -10 ערכים נעולים </li></ul>
  14. 14. Enterprise Wiki? <ul><li>Motorola is using TWiki </li></ul><ul><li>Intel </li></ul><ul><ul><li>Used for technical encyclopedia </li></ul></ul><ul><ul><li>Implemented using MediaWiki, integrated with Google Search </li></ul></ul><ul><ul><li>Launched March 2006 (preceded by pilot) </li></ul></ul><ul><ul><li>Supporting user training program </li></ul></ul><ul><ul><li>Over 3,000 article </li></ul></ul><ul><ul><li>10% active users (edited more than 2 pages) </li></ul></ul><ul><ul><li>Problems: information security/need for a better permission mechanism </li></ul></ul>
  15. 15. Blogs
  16. 16. What is a Blog <ul><li>A blog (shorthand for weblog) is a web-based publication consisting primarily of periodic articles, most often in reverse chronological order: </li></ul><ul><ul><li>Publication </li></ul></ul><ul><ul><li>Posts by dates </li></ul></ul><ul><ul><li>Includes links, multimedia, etc. </li></ul></ul>
  17. 17. Blogs and Search Engines <ul><li>Regular Search Engines average indexing delay is as high as 6-8 weeks. </li></ul><ul><li>Regular Search Engines promote blogs in results, but not efficiently. </li></ul><ul><li>Therefore, use Blog search engines to find: </li></ul><ul><ul><li>Breaking news </li></ul></ul><ul><ul><li>Most recent information </li></ul></ul><ul><li>Blog search is typically sorted by date but with popularity sort option. </li></ul>
  18. 18. Blog Search Engines <ul><li> </li></ul><ul><li>BlogLines / </li></ul><ul><li>BlogDigger / </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li>Google BlogSearch </li></ul><ul><li>Clusty </li></ul><ul><li>Sphere </li></ul>
  19. 19. Technorati <ul><li>The best one around </li></ul><ul><li>Many options: </li></ul><ul><ul><li>All words, exact phrase, at least one, not </li></ul></ul><ul><ul><li>Search all blogs, by topic, by URL </li></ul></ul><ul><ul><li>Search by Tags </li></ul></ul><ul><ul><li>Blog fine </li></ul></ul><ul><ul><li>Popular </li></ul></ul>
  20. 20. BlogSearch Recommendations <ul><li>Technorati is the best </li></ul><ul><li>For Hebrew search </li></ul><ul><ul><li>Google Blogsearch </li></ul></ul><ul><ul><li>Clusty </li></ul></ul><ul><ul><li>Language Filter in Technorati when relevant </li></ul></ul><ul><li>Use Clusty when you need more results (but typically less accurate) </li></ul><ul><li>Use BlogDigger for location (US) </li></ul>
  21. 21. Blog vs. Wiki <ul><li>Blog </li></ul><ul><li>Personal expression </li></ul><ul><li>Ordered by dates </li></ul><ul><li>Older posts not changed </li></ul><ul><li>Have comments/ talkbacks by viewers </li></ul><ul><li>Wiki </li></ul><ul><li>Collaborative contribution </li></ul><ul><li>Ordered by topics </li></ul><ul><li>Constant update </li></ul><ul><li>Have updates/additions by viewers and comments </li></ul><ul><li> </li></ul><ul><li> . html </li></ul>* usually
  22. 22. Ajax Asynchronous JavaScript and XML
  23. 23. Example Ajax Applications <ul><li>Google Maps/Local (Yahoo, A9) </li></ul><ul><li>Housing Maps </li></ul><ul><li>Google Suggest </li></ul><ul><li>Windows live </li></ul><ul><li>Yahoo! Instant Search </li></ul><ul><li>GMail </li></ul><ul><li>Wall Street Journal </li></ul><ul><li>And many more.. </li></ul>
  24. 24. Google Suggest <ul><li>As you type – you get query suggestions and number of results per query. </li></ul><ul><li> /suggest </li></ul>
  25. 25. AlltheWeb LiveSearch <ul><li>Yahoo’s AlltheWeb now has a new Livesearch feature. </li></ul><ul><li>It takes the Google Suggest approach a step further. </li></ul><ul><li>You will instantly see the results to the right side. </li></ul><ul><li>http :// livesearch . alltheweb . com / ? ek = 1 </li></ul>
  26. 26. Ajax Pros/Cons <ul><li>Pros </li></ul><ul><ul><li>Interactivity! </li></ul></ul><ul><li>Cons </li></ul><ul><ul><li>It might easily break the expected behavior of the browser's back button </li></ul></ul><ul><ul><li>Difficult for a user to bookmark a particular state of the application </li></ul></ul><ul><ul><li>Users might experience delay in the interface of the web application </li></ul></ul><ul><ul><li>It requires users to have JavaScript (or ActiveX) enabled in their browsers </li></ul></ul><ul><ul><li>A challenge for developers interested in adhering to WAI accessibility guidelines. </li></ul></ul>
  27. 27. Web 2.0 and the Future
  28. 28. Web 2.0 – Future? <ul><li>Web 2.0 and the enterprise </li></ul><ul><li>Opportunities in “Web n.0” </li></ul><ul><li>What is “Web 3.0”? </li></ul>
  29. 29. Gartner Says… <ul><li>Web 2.0 Offers Many Opportunities for Growth, But Few Enterprises Will Immediately Adopt All Aspects Necessary for Significant Business Impact. </li></ul><ul><li>By 2008, the majority of Global 1000 companies will quickly adopt several technology-related aspects of Web 2.0, but will be slow to adopt the aspects of Web 2.0 that have a social dimension, and the result will be a slow impact on business, according to Gartner, Inc. </li></ul><ul><li>&quot;While it is straightforward to add specific technologies, such as Ajax or RSS to products, platforms and applications, it is more difficult to add a social dimension&quot; </li></ul>Tuesday May 16, 2006 http :// biz . yahoo . com / bw / 060516/20060516005941 . html? . v = 1
  30. 30. Web n.0?
  31. 31. Web 3.0 is: Enterprise Web 2.0 (i.e Business Applications) <ul><li>Web 3.0 is going to deliver a new generation of business applications </li></ul><ul><li>brief topology of Web 3.0. It's divided into three (and a half) distinct layers: </li></ul><ul><ul><li>API services form the foundation </li></ul></ul><ul><ul><li>Aggregation services form the middle layer </li></ul></ul><ul><ul><li>Application services form the top layer </li></ul></ul><ul><ul><li>Serviced clients are the and-a-half </li></ul></ul><ul><li>Phil Wainewright http :// blogs . zdnet . com / SAAS / ?p = 68 = 83 </li></ul>
  32. 32. Web 3.0 is (real) 3D <ul><li>Real 3D </li></ul><ul><ul><li>Think Web 4.0 </li></ul></ul><ul><li>Philip Torrone jokingly mentioned to me the other day (inside Second Life) that 3D was Web 3.0 </li></ul><ul><ul><li>Web x.0, Joi Ito </li></ul></ul>
  33. 33. Web 3.0 is the Semantic Web <ul><li>Web 1.0 was the Hypertext/CGI Web. (the basics) Web 2.0 is the Community Web (for people: apps/sites connecting them). Web 3.0 is the Semantic Web (for machines). Web 2.0 and Web 3.0 are a fork we are moving into now </li></ul><ul><li>Web 4.0 is when these technologies come together to form what I call the &quot; Learning Web &quot;. This is moving more into the area of Artificial Intelligence. </li></ul><ul><li> </li></ul>
  34. 34. Web 3.0 is “the sensor-web” <ul><li>Web 3.0 is “the sensor-web, in which the architecture of participation will be an automatic byproduct of the devices we carry around with us.” </li></ul><ul><li>Also in: </li></ul>
  35. 35. Microsoft's Plan to Map the World in Real Time
  36. 36. Sensors along a Specified Root
  37. 37. Sensors in a Building
  38. 38. Web 3.0 will be? <ul><li>Integration in Web Environment </li></ul><ul><li>Enterprise deployment of Web 2.0 </li></ul><ul><li>Multimedia, 3D and more UI fireworks </li></ul><ul><li>Zero Input Interface </li></ul>
  39. 39. Web 2.0?
  40. 40. Web 3.0? <ul><li>Web 2.0 Web 3.0 </li></ul><ul><li>Contribution Platforms --> Integration </li></ul><ul><li>MS. Office --> Web Desktop </li></ul><ul><li>Text --> Multimedia </li></ul><ul><li>2D --> 3D </li></ul><ul><li>Explicit --> Implicit </li></ul><ul><li> Desktop --> Wireless/Mobile </li></ul>
  41. 41. References <ul><li>Wiki (Wikipedia) </li></ul><ul><li>What makes an enterprise wiki? (CMS Watch) </li></ul><ul><li>Wiki software </li></ul><ul><li>List of wiki software </li></ul><ul><li>Comparison of wiki software </li></ul><ul><li>TWiki – an Enterprise Collaboration Platform , </li></ul><ul><li>Heb Wikis and Tools , / chiqchaq , http:// </li></ul>
  42. 42. References <ul><li>The best Web 2.0 explanations </li></ul><ul><li>The Long Tail (Wired) </li></ul><ul><li>The Long Tail (Wikipedia) </li></ul><ul><li>Ajax (Wikipedia) http :// en . wikipedia . org / wiki / AJAX </li></ul><ul><li>Gartner </li></ul><ul><li>Microsoft plans to map the world in real-time http :// www . technologyreview . com / read_article . aspx?id = 16781&ch = infotech%20&ch = infotech </li></ul>