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Web 2.0, Ajax, Dynamic Sites PDF

37 Pages·2008·5.63 MB·English
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Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Table of Contents | All Slides | Link List | CSCI E-12 Web 2.0 Web 2.0, Ajax, Dynamic Sites Suggested readings for Web 2.0: What Is Web 2.0: Design Patterns and Business Models for the Next Generation of Software by April 2, 2008 Tim O'Reilly Web 2.0, article from Wikipedia Harvard University Division of Continuing Education What is Web 2.0? Extension School Course Web Site: http://cscie12.dce.harvard.edu/ Not a technical standard or technology Web 2.0 does have characteristics and features Copyright 1998-2008 David P. Heitmeyer There are some technologies commonly found in Web 2.0 Instructor email: [email protected] Course staff email: [email protected] 1 of 74 4/2/2008 12:14 PM 2 of 74 4/2/2008 12:14 PM Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Web 2.0 Features and Characteristics Web 2.0 in Images What Is Web 2.0: Design Patterns and Business Models for the Next Generation of Software by Tim User-contributed data (active and passive) O'Reilly Mashups - combining, remixing data External Services and Functionality Principles, Characteristics, Features: Rich User Interfaces and Rich Internet Applications Services, not packaged software, with cost-effective scalability Web 2.0 Meme Map by Tim O'Reilly Control over unique, hard-to-recreate data sources that get richer as more people use them Amazon Trusting users as co-developers Harnessing collective intelligence Wikipedia Leveraging the long tail through customer self-service Google AdSense Software above the level of a single device Lightweight user interfaces, development models, AND business models Visualizing Web 2.0 by Dion Hinchcliffe Visualizing Web 2.0, Peter, blog.forret.com 3 of 74 4/2/2008 12:14 PM 4 of 74 4/2/2008 12:14 PM Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Web 2.0 Examples Zillow www.zillow.com Housingmaps.com 5 of 74 4/2/2008 12:14 PM 6 of 74 4/2/2008 12:14 PM Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html www.housingmaps.com ChicagoCrime.org www.chicagocrime.org Del.icio.us 7 of 74 4/2/2008 12:14 PM 8 of 74 4/2/2008 12:14 PM Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html del.icio.us flickr.com Flickr 9 of 74 4/2/2008 12:14 PM 10 of 74 4/2/2008 12:14 PM Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Encyclopedia of Life Encyclopedia of Life, www.eol.org WASHINGTON (May 9, 2007) – Many of the world’s leading scientific institutions today announced the launch of the Encyclopedia of Life, an unprecedented global effort to document all 1.8 million named species of animals, plants, and other forms of life on Earth. For the first time in the history of the planet, scientists, students, and citizens will have multi-media access to all known living species, even those that have just been discovered. more 6 cornerstone institutions 9 data partners (and growing) thousands of "curators" tens (hundreds or more?) of thousands of potential contributors Falco peregrinus (Peregrine Falcon) 11 of 74 4/2/2008 12:14 PM 12 of 74 4/2/2008 12:14 PM Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Google News Amazon Web Services Amazon.com offers several different web services, including one for e-commerce. Amazon Associates Web Service (formerly Amazon ECS) Amazon Elastic Compute Cloud (Beta) Amazon Flexible Payments Service (Beta) Amazon Fulfillment Web Service Amazon Mechanical Turk (Beta) Amazon SimpleDB (Beta) Amazon Simple Queue Service Amazon Simple Storage Service Alexa Site Thumbnail Alexa Top Sites Alexa Web Information Service Alexa Web Search Amazon Book Information http://www.amazon.com/gp/product/006251587X%3ftag=webservices-20%26link_code=xm2%26camp=2025%26d news?hl=en&ned=us&q=Harvard+University news?hl=en&ned=us&q=Harvard+University&output=rss news?hl=en&ned=us&q=Harvard+University&output=atom 13 of 74 4/2/2008 12:14 PM 14 of 74 4/2/2008 12:14 PM Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Yahoo! Developer Network Rich Internet Applications Yahoo! Developer Network. REST Web Services using XML and JSON. Rich Internet Applications (RIA) Rich User Experience Answers Local Mail Maps OpenID Search Shopping Travel Utilities gmail.com maps.google.com 15 of 74 4/2/2008 12:14 PM 16 of 74 4/2/2008 12:14 PM Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html XHR, Ajax, AHAH XHR: XMLHttpRequestObject AJAX: Asynchronous JavaScript and XML AHAH: Asynchronous HTTP and HTML AJAX: A New Approach to Web Applications, from Adaptive Path. by Jesse James Garrett calendar.google.com docs.google.com 17 of 74 4/2/2008 12:14 PM 18 of 74 4/2/2008 12:14 PM Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Ajax Flow Ajax Overview Ajax: A New Approach to Web Applications AJAX (Wikipedia) Technologies Involved XHTML CSS JavaScript XMLHttpRequest (XHR) object Document Object Model (DOM) Possibly: XML, JSON, XSLT, XPath 19 of 74 4/2/2008 12:14 PM 20 of 74 4/2/2008 12:14 PM

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Web 2.0, Ajax, Dynamic Sites http://localhost:8080/cocoon/projects/cscie12/slides/20080402/handout.html Web 2.0 Meme Map by Tim O'Reilly Visualizing Web 2.0
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