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Web Technology Trends (early 2009)
The document discusses current trends in web technologies, focusing on the Semantic Web (Web 3.0), web application development, and various content frameworks. Key highlights include the advantages of using linked data, different web programming languages, and platforms as a service (PaaS) for deploying applications. It also touches on popular frameworks like Drupal and Alfresco, and trends in major websites' technological stacks.
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Editor's Notes
- #2 Prodosh Banerjee, Managing Partner, Anolim Anolim develops web applications and provides services and solutions for: collaboration, marketing / communications, social media, knowledge sharing, e-commerce I have been working in IT since 1985 as a manager, consultant, developer Director & Head of IT, E-Services UBS Assest Management, Consultant Swiss Exchange, IBM Software Labs Worked with the Internet since 1996 when I started development of an Internet Banking solution
- #9 Show Yahoo semantic search: “dries drupal”
- #11 Resource Description Framework in attributes RDFa uses attributes from XHTML's meta and link elements, and generalises them so that they are usable on all elements. Example: <div xmlns:dc=\"http://purl.org/dc/elements/1.1/\" about=\"http://www.example.com/books/wikinomics\"> <span property=\"dc:title\">Wikinomics</span> <span property=\"dc:creator\">Don Tapscott</span> <span property=\"dc:date\">2006-10-01</span> </div> Simple Dublin Core The Simple Dublin Core Metadata Element Set (DCMES) consists of 15 metadata elements: 1. Title 2. Creator 3. Subject 4. Description 5. Publisher 6. Contributor 7. Date 8. Type 9. Format 10. Identifier 11. Source 12. Language 13. Relation 14. Coverage 15. Rights
- #14 Simple Protocol and RDF Query Language
- #15 Important to note here is the \"property orientation\" (class matches can be conducted solely through class-attributes / properties - see Duck typing) To make queries concise, SPARQL allows the definition of prefixes and base URIs in a fashion similar to Turtle. In this query, the prefix \"abc\" stands for “http://example.com/exampleOntology#”.
- #20 There are content tools for almost everything We will look at Drupal, Alfresco
- #23 FP has no side effects FP - running functions in every order produces same results FP is useful for parallel processing Map Reduce is used by Google Map - Reduce: an algorithm for executing packages in parallel Map: split into parallel processing packages and produce intermediate output Reduce: combine intermediate output to produce final output
- #25 DRY: Don’t repeat yourself CoC: Convention over Configuration Reflection: ability to modify code and data
- #27 Largest in absolute numbers are Java, C++, C# small but steady growth in C#, C++ steady, some recent growth in Java
- #34 Why are so many big web sites running LAMP, Python, Ruby on Rails and not Java? Challenge: large number of evolving and new web interfaces. Large communities are great at implementing these interfaces quickly.Established open source projects typically have large communities. Enterprise: smaller number of stable interfaces: stability and support important