Rapid Development with Python, Django, and Google App Engine Guido van Rossum (Google) Learn how to create great web applications quickly on Google App Engine using the Django web framework and the Python language. Google App Engine lets you host complete, scalable web applications written in Python with minimal fuss. This tutorial assumes basic familiarity with Python but definitely no advanced Python knowlege; Django experience is optional. You will learn how to use the Django web framework with the datastore API provided by Google App Engine, and how to get the most mileage out of the combination. You will also see how to use Django best practices like unit testing when developing for Google App Engine.

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Providing the complexity of web applications that can be developed with Django and Google App Engine, the need for Desktops remains present but we can question the need for virtual solutions in common applications such as Virtual Bridges.

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Ruby Sig: How To Design A Domain Specific Language
Google engEDU
1 hr 3 min – Oct 5, 2006

Google Tech Talks
October 5, 2006

David Pollak has been developing commercial software for 28 years. He founded Athena Design and wrote Mesa, the first real-time spreadsheet. David wrote Integer, the first online, collaborative spreadsheet. Since 2000, David has been developing domain specific languages for security and general web development.

ABSTRACT
David will describe a framework for developing DSLs which includes:

* Identifying the constituents in a development project;
* Determining the costs and benefits of a DSL for a particular constituency vs. hand-coding functionality for that constituency based on interviews and specs;
* Identifying the ‘thought leader’ in a given constituency and interviewing him or her to determine the semantics of the domain;
* Determining syntax of the DSL;
* Mocking up the DSL and ‘test driving’ it with the thought leader;
* Finding appropriate integration points for the DSL into the application;
* Defining the process by with the Domain Experts will update code in the DSL (e.g., they have a web page where they can change tax calculation rules vs. they make a change to particular Ruby files as part of a development/staging/production cycle.); and
* Iterate over the semantics, syntax, and process to fully integrate Domain Experts into the development process.
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Hey, What’s That? A Map Hack
Google engEDU
51 min – May 8, 2007

Google Tech Talks
May 8, 2007

ABSTRACT

Designed to answer the question "What am I looking at?" when standing on a hilltop or pulled over at a scenic overlook, HeyWhatsThat.com has garnered reviews like "Just when I thought I was in danger of becoming a jaded customer of the mass mapping space, here’s a site that effortlessly returns me to a state of slack-jawed wonder" (OgleEarth). In addition to peak detection and identification, it offers viewshed computations, elevation contours, elevation profiles, and integration with Google Maps and Google Earth. This talk — given by Michael Kosowsky, designer and proprieter of HeyWhatsThat.com — will focus on what it is and how it got to be that way.

http://www.heywhatsthat.com/

http://www.heywhatsthat.com/faq.html

Speaker: Michael Kosowsky

Michael Kosowsky has more than 25 years of experience in software development, on platforms ranging from embedded microprocessors to supercomputers. Currently sole proprietor of the HeyWhatsThat.com web site, previous roles include founder and CTO of Great Point Design, where he developed its desktop photo application and web service; founder and CTO of Momentum, Inc., where he led the development and patenting of a portable client-server communications technology; and software engineer for The Jackson Laboratory and DNA Sciences, where he implemented systems for visualizing and sharing genomic data.
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How can we better understand customers?
Google engEDU
50 min – Jul 18, 2006

Google TechTalks
July 18, 2006

Ely Dahan

At MIT’s Sloan School of Business, Ely Dahan taught high tech marketing and new product development. He now develops new models and methods for developing products at UCLA’s Anderson School of Business. Dahan has developed internet-based market research methods, mathematical models of parallel and sequential prototyping, the economics of cost reduction, and strategies for mass customization. Prior to entering academia, he was national product manager for W.R. Grace and NEC until 1984, when he founded a computer networking company in Maryland, serving as CEO until the firm was acquired in 1993. He is the recipient, along with his coauthors, of the INFORMS John D.C. Little Award, the American Marketing Association EXPLOR Award, the INFORMS Frank M. Bass Outstanding Dissertation Award (based on Olivier Toubia’s PhD thesis), and the Journal of Product Innovation Managment Hustad Award. Dahan earned his PhD in the Operations & IT program at Stanford Business School, where he was a Department of Energy Fellow, an AACSB Doctoral Fellow, and a recipient of the Jaedicke Prize for scholarly achievement. He attended Princeton University, then received a Bachelor’s degree in Civil Engineering from MIT in 1978 and an MBA from Harvard in 1980.
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Away with Applications: The Death of the Desktop
Google engEDU
1 hr 27 min – May 4, 2007

Google Tech Talks
May 4, 2007

ABSTRACT

The computer desktop metaphor is ubiquitous, but how much work do we get done there? None! Time is entirely wasted navigating or shuffling content to the application in which we can finally work. What lessons can we learn from designing interfaces without the desktop and without applications? Is it even possible? And how does this apply to the Web? Currently, Web applications are often more usable than their desktop-based counterparts because each one does one thing and does it well. Desktop applications used to be the same way, but over time — as applications grew to support the the users in the long tail — each became a complex portmanteau of all possible features. If we are not careful, our Web apps will suffer the same conglomerated fate. Mashups and services help to solve the problem on the development end by freeing functionality from any particular application. But, there is currently no way to offer that wealth of possible functionality to users in a scalable way. Would it be nice to embed a dynamic map into your Gmail message? Sure. A Flickr slideshow? Sure. But for Google to offer those in addition to the hundreds of other possible options, would clutter the interface beyond usability. What’s needed is a universal method of accessing functionality: a way of harnessing the power of services without the need for application developers to explicitly support them. I’ll be demonstrating such a method.

The talk demonstrates that a ZUI plus a universal method of accessing functionality spells the death of the application-centric computing model and the desktop-design paradigms.
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Understanding SVG with Inkscape
Google engEDU
1 hr 1 min – Feb 12, 2007

Google Tech Talks
June 19, 2006

ABSTRACT

SVG is an XML vector graphics standard that is gaining momentum on the web. It is supported by most browsers (IE with a plug-in) and fills a need for vector graphics in the high resolution environments that webpages are finding themselves in while still providing graphics rich experiences to mobile users with smaller file sizes. This talk will go into the SVG standard and how to easily make SVG documents using Inkscape. Inkscape is a cross-platform Open Source vector drawing tool that is based on the SVG standard.
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Core Patterns for Web Permissions
Google engEDU
56 min – Jul 19, 2006

Google TechTalks
July 19, 2006

Tyler Close

Visiting Scientist Hewlett-Packard Laboratories

Mr. Close is a researcher and developer, working in the field of secure, multi-user, distributed applications since 1998.

ABSTRACT
In Authorization Based Access Control (ABAC) systems built with object-capabilities, an access policy is expressed by the shape of a reference graph: what a user can do is determined by where they are in the reference graph and what other parts of the graph are reachable from that point. By applying some basic cryptography to create links that act as "webkeys", we can construct URL graphs that are compatible with today’s WWW infrastructure and additionally provide the properties of distributed capabilities. Webkeys enable users to achieve password-free fine-grain access control implicitly, simply by sending one another links to the pages they want to share. The webkey approach simultaneously provides developers with a powerful, and readily audited, access-control model.

In this talk, we’ll study the implementation of the CapWiki, which can serve as a private data space, a locally shared data space, a blog, and a wiki, simply by varying which links have been distributed to which people.
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Open Source Speaker Series: Practical MythTV
Google engEDU
57 min – Aug 16, 2007

Google Tech Talks
August 16, 2007

ABSTRACT

MythTV is a powerful open source personal video recorder. It records television off the air, plays downloaded media files, DVDs, and audio files. It also includes a web browser, RSS reader, weather applet, and much more. During this talk Michael will introduce MythTV, show off the frontend interface, MythWeb, talk about the current challenges with guide data in the United States, and discuss some of the upcoming features. Michael is a coauthor of "Practical MythTV", which was published in April 2007.

Michael Still is currently a Site Reliability Engineer at Google. Before that, he was a senior software engineer at TOWER Software in Australia. For many years he has been using his spare time to work on open source projects of various forms. This includes a book on ImageMagick in 2005, and a book on MythTV in 2007.
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15 Views of a Node Link Graph: An Information Visualization Portfolio
Google engEDU
1 hr – Jun 28, 2006

Google TechTalks
June 28, 2006

Tamara Munzner received a BS in 1991 and a PhD in 2000 from Stanford. Her current research interests are information visualization, graph drawing, and dimensionality reduction. She was the IEEE Symposium on Information Visualization Program/Papers Co-Chair in 2003 and 2004.

ABSTRACT
Information visualization, or infovis, is the interactive computer-based visual representation of abstract datasets. I will use collections of linked nodes as the launching point for a discussion of fifteen different approaches to infovis. Node-link graphs appear in many application domains, and people can perform many tasks faster or more effectively when they can manipulate a well-chosen visual representation of these graphs. A major challenge within infovis is how to handle the large datasets that occur in the real world. Designing algorithms with scalable speed and memory complexity is only part of the solution. The visual representation must also provide an appropriate abstraction, often requiring exploration across multiple levels of detail, to be comprehensible to the human in the loop. The talk will include examples in application domains ranging from web browsing to bioinformatics to computational linguistics, and datasets from thousands to millions of items.
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Quicksilver: Universal Access and Action
Google engEDU
25 min – Aug 30, 2007

Google Tech Talks
August 30, 2007

ABSTRACT

Quicksilver hides almost unbounded power beneath the interface of a keyboard-driven launcher. Using a basic grammatical model, it allows you to move beyond basic search and work effortlessly with applications, data, and the web. Quickilver is above all a prototype intended to explore new forms of interaction.

In this talk, we will explore the motivation behind Quicksilver, highlights of its implementation, lessons learned from its design, and the ways it might inform the future of navigation for the desktop and the web.

Speaker: Nicholas Jitkoff
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Our Lives, Our Facebooks
Google engEDU
40 min – May 3, 2006

Google TechTalks
May 3, 2006

Fred Stutzman
Fred Stutzman is a Ph.D. student at the University of North Carolina at Chapel Hill’s School of Information and Library Science.

His research interests include identity, social networks, and the effects of social technology. His research is operationalized in the claimID.com project, of which he is the co-founder.

ABSTRACT
Students at a large number of American colleges and universities have come to rely on The Facebook (http://facebook.com) as a vital supplement to their social lives. A social connector website, Facebook serves the information needs of students who have perpetually in-flux social networks. As a result, frequency and penetration of student use is remarkable. In this presentation, a longitudinal analysis of Facebook use by freshmen at the University of North Carolina at Chapel Hill will be presented. Use patterns will be analyzed, with a special concentration on factors that contributed to the product’s success.
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Model-Based Testing: Black or White?
Google engEDU
1 hr – Aug 27, 2007

Google Tech Talks
August 27, 2007

ABSTRACT

Model-based testing can help to reduce the cost of testing and increase its effectiveness. Instead of designing test cases by hand, model-based testing allows a test engineer to automatically generate test cases from a model of the system under test.

After a brief overview of model-based testing, this talk will compare two different kinds of test model: black-box models and white-box models. Black-box models are easier for programmers to write and tools to use, while white-box models require more sophisticated notations and modelling skills, but can allow more sophisticated test generation.

These two styles of models will be illustrated by using two different model-based testing tools to test some example applications, such as a web-based library system. An open-source tool, ModelJUnit, will be used to illustrate test generation from several black-box test models written in Java. A commercial tool, LEIRIOS Test Designer, will be used to illustrate test generation from white-box test models written in UML

Speaker: Mark Utting

Mark Utting has been developing and using model-based testing tools since 2000. Recently, he co-authored the first industry-oriented book specifically on model-based testing, and developed the open-source ModelJUnit tool to illustrate some of the techniques in the book. He has also been a consultant for the design of commercial model-based testing tools, such as the LEIRIOS Test Designer from LEIRIOS Technologies.

Dr Utting works as an associate professor in the Department of Computer Science at The University of Waikato, New Zealand. Prior to this, he worked as an analyst/programmer in the Australian software industry for several years and as a postdoctoral researcher on theorem proving and real-time refinement. His PhD was in the area of refinement calculus techniques for object-oriented programs. He is a member of the IFIP Working Group 2.3 on Programming Methodology.

Home page: http://www.cs.waikato.ac.nz/~marku
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Mondrian Code Review On The Web
Google engEDU
55 min – Dec 8, 2006

Google Tech Talks
November 30, 2006

ABSTRACT

Mondrian Code Review On The Web
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You Are What You Say: Privacy Risks of Public Mentions
Google engEDU
27 min – Aug 3, 2006

Google TechTalks
August 3, 2006

Dan Frankowski is both computer science researcher and practitioner in software and algorithms development. He got his master’s degree in computer science from the University of Minnesota in 1993, then spent a year in Budapest on a Fulbright grant studying mathematics. From 1997 to 2003 he was an algorithms guy at Net Perceptions. From 2003 to the present, he has been a research fellow with the GroupLens research group at the Unviersity of Minnesota, which is most well-known for recommenders, but now studies online community more broadly.

ABSTRACT
In today’s data-rich networked world, people express many aspects of their lives online. It is common to segregate different aspects in different places: you might write opinionated rants about movies in your blog under a pseudonym while participating in a forum or web site for scholarly discussion of medical ethics under your real name. However, it may be possible to link these separate identities, because the movies, journal articles, or authors you mention are from a sparse relation space whose properties (e.g., many items related to by only a few users) allow re- identification. This talk examines this general problem in a specific setting: re- identification of users from a public web movie forum in a private movie ratings dataset.
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Inbox Zero
Google engEDU
59 min – Jul 25, 2007

Google Tech Talks
July 23, 2007

ABSTRACT

Merlin Mann, a well known productivity guru and creator of the popular 43 folders website will talk about Getting Things Done, the importance of getting your inbox to zero, and strategies for dealing with high volume email.
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Performance Tuning Best Practices for MySQL
Google engEDU
43 min – Apr 28, 2006

Google TechTalks
April 28, 2006

Jay Pipes
Jay Pipes is a co-author of the recently published Pro MySQL (Apress, 2005), which covers all of the newest MySQL 5 features, as well as in-depth discussion and analysis of the MySQL server architecture, storage engines, transaction procesing, benchmarking, and advanced SQL scenarios. You can also see his name on articles appearing in Linux Magazine and can read more articles about MySQL at his website.

ABSTRACT
Learn where to best focus your attention when tuning the performance of your applications and database servers, and how to effectively find the "low hanging fruit" on the tree of bottlenecks. It’s not rocket science, but with a bit of acquired skill and experience, and of course good habits, you too can do this magic! Jay Pipes is MySQL’s Community Relations Manager for North America.
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Web Applications and the Ubiquitous Web
Google engEDU
1 hr – Feb 1, 2006

Google TechTalks
February 1, 2006

Dave Raggett

Dave Raggett is currently a W3C Fellow from Canon, and W3C Activity Lead for Multimodal Interaction. Dave has been closely involved with driving standards for the Web since 1992, e.g. setting up the IETF HTTP working group, helping with work on ECMAScript, and W3C work on HTML, XForms, MathML, VoiceXML and other related specifications. For further details see: http://www.w3.org/People/Raggett

ABSTRACT
The Web is increasingly a ubiquitous platform for application developers. The talk will outline an emerging vision for the Ubiquitous Web and areas where further work is needed. I will also present work I have been doing on a Web-based alternative to Microsoft PowerPoint and its extension to support remote meetings. Finally, I will demonstrate the use of AJAX to add speech capabilities to web browsers and the role of remote speech engines.
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Towards Telesophy: Federating All the World’ s Knowledge
Google engEDU
1 hr 6 min – Jul 11, 2007

Google Tech Talks
July 11, 2007

ABSTRACT

The Net is the global network, which enables users worldwide to interact with information. As new technologies mature, the functions of the protocols deepen, moving closer to cyberspace visions of "being one with all the world’s knowledge". The Evolution of the Net has already proceeded from data transmission in the Internet to information retrieval in the Web. The global protocols are evolving towards knowledge navigation in the Interspace, moving from syntax to semantics. In the future, infrastructure will support analysis, for interactive correlations across knowledge sources. This moves closer towards "telesophy", (transparent infrastructure for) knowledge at a distance.

Getting from here to there will require a paradigm shift from central to distributed, from searching universal archives to navigating community repositories. Central archives partially survived the transition from a million repositories to a billion, but distributed indexing is necessary to scale to a trillion repositories in the next generation. Supporting scalable semantics requires divide-and-conquer to capture local context as an approximation to global meaning. Concept switches in the Interspace are the analogue of packet switches in the Internet, since user interaction is at the level of logical spaces rather than physical networks. This talk will describe the research technologies and trends creating the global infrastructure, with suggestions for hero experiments and hints at the new world of the near future.

Speaker: Bruce Schatz
Bruce Schatz is Director of the CANIS (Community Architectures for Network Information Systems) Laboratory at the University of Illinois at Urbana-Champaign. He has been working on federating all the world’s knowledge by building pioneering research systems in industrial and academic settings. These include the first large-scale prototype for federating syntax (Telesophy at Bellcore in the 1980s), structure (DeLIver at UIUC in the 1990s), and semantics (BeeSpace at UIUC in the 2000s). During the 1980s, he was the member of the Internet Research Task Force focused on search and during the 1990s was the Principal Investigator of the Illinois project in the NSF Digital Libraries Initiative, the search flagship in the federal program that spun off Google.
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Pipes: A Tool For Remixing the Web
Google engEDU
45 min – Apr 2, 2007

Google Tech Talks
April 2, 2007

ABSTRACT

Pipes is a service platform for processing well-structured data such as RSS, Atom and RDF feeds in a Web-based visual programming environment. Developers can use Pipes to combine data sources and user input into mashups without having to write code. These mashups, analogous in some ways to Unix pipes, can power badges on personal publishing sites, provide core functionality for Web applications, or serve as reusable components within the Pipes platform itself.

Here’s what Tim O’Reilly says about pipes: "Yahoo!’s new Pipes service is a milestone in the history of the internet. It’s a service that generalizes the idea of the mashup, providing a drag and drop editor that allows you to connect internet data sources, process them, and redirect the output."

Speakers: Pasha Sadri & Jonathan Trevor of Yahoo!
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Science Commons
Google engEDU
51 min – Jun 25, 2007

Google Tech Talks
June 25, 2007

ABSTRACT

Science Commons was launched to expand the Creative Commons mission into the scientific realm. James Boyle will be talking about two Science Commons projects: The Neurocommons and the Materials Transfer Project. The Materials Transfer Project uses standard machine readable licenses so that one day sharing biological materials between labs might be as easy as buying books from Amazon. If these words weren’t forbidden at Google, he’d describe the Neurocommons as a first draft of an open "semantic web" for neurology. The overall goal is to take some of the ingenuity we devote to allowing teenagers to flirt with each other online, or people to share and find mashups, and use it to reduce the transaction costs of science and make it selfishly beneficial for scientists to share more, and more easily.
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Knowledge Representation and the Semantic Web
Google engEDU
56 min – Jan 25, 2006

Google TechTalks
January 25, 2006

Peter Patel-Schneider

http://www-db.research.bell-labs.com/user/pfps/

ABSTRACT
The Semantic Web has been attracting considerable attention the last few years. From the point of view of Knowledge Representation, the Semantic Web affords opportunities for both research and application.

However, several aspects of the Semantic Web, as it has been envisioned, cause problems from the Knowledge Representation viewpoint. Overcoming some of these problems has resulted in a more formal basis for the Semantic Web and an increase in expressive power in Semantic Web languages. Other of these problems still remain and need a new vision of the Semantic Web from a Knowledge Representation viewpoint.
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Structuring Personal Information When Everything Can Be Saved and Searched…
Google engEDU
58 min – May 17, 2006

Google TechTalks
May 17, 2006

William Jones
William Jones is an Research Associate Professor in The Information School at the University of Washington where he manages the Keeping Found Things Found project (funded by the National Science Foundation , http://kftf.ischool.washington.edu/index.asp; see also http://pim.ischool.washington.edu/).

ABSTRACT
Many people are curators, consciously or not, of large and growing collections of personal information. People collect articles, books, magazines, recipes, songs, pictures, etc. They collect still more information with no clear subordinating category other than "stuff".

Or, perhaps more accurately, the information itself "collects". People can have gigabytes of storage representing email messages, electronic documents and various other files. They may have large numbers of references that point to information on the Web. And people often still have large amounts of information on paper.

This talk will describe exploratory research to understand better how people manage ever larger collections of their personal information, the kinds of problems people encounter as they do so, and the kinds of support people need in order to "manage" better ? to manage not only the information but the various activities for which this information is needed.
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• [1] Structuring Personal Information When Everything Can Be Saved And Searched
• [2] Structuring Personal Information When Everything Can Be Saved And Searched

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Sparse and large-scale learning with heterogeneous data
Google engEDU
55 min – Sep 5, 2006

Google Tech Talks
September 5, 2006

Gert Lanckriet is assistant professor in the Electrical and Computer Engineering Department at the University of California, San Diego. He conducts research on machine learning, applied statistics and convex optimization with applications in computational biology, finance, music and vision.

ABSTRACT
An important challenge for the field of machine learning is to deal with the increasing amount of data that is available for learning and to leverage the (also increasing) diversity of information sources, describing these data. Beyond classical vectorial data formats, data in the format of graphs, trees, strings and beyond have become widely available for data mining, e.g., the linked structure of the world wide web, text, images and sounds on web pages, protein interaction networks, phylogenetic trees, etc. Moreover, for interpretability and economical reasons, decision rules that rely on a small subset of the information sources and/or a small subset of the features describing the data are highly desired: sparse learning algorithms are a must. This talk will outline two recent approaches that address sparse, large-scale learning with heterogeneous data, and show some applications.
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BillMonk.com
Google engEDU
40 min – Jun 16, 2006

Google TechTalks
June 16, 2006

Gaurav Oberoi & Chuck Groom
Co-Founders, BillMonk.com

ABSTRACT
The web 2.0 bubble inflates as geeks pump out an astonishing number of web-based solutions to daily problems. But a lot of these solutions only appeal to a small niche. What goes into a service that appeals to a broad range of people?

How can it start and grow without a generous helping of capital? The two guys behind BillMonk.com, a service for helping friends with the casual borrowing of money and stuff, will share their views from the trenches. They will share the story of what it took to quit their comfy jobs at Amazon, how a handful of philosophical axioms dictated the entire site design and interface, anthropological observations about the 18-26 year-old demographic with respect to money and computers, and some of the technical challenges they’ve faced. There will be room for discussion about Ruby, Linux, when to open-source parts of your platform, and business lessons for geeks.
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Seattle Conference on Scalability: Scaling Google for Every User
Google engEDU
1 hr 1 min – Jun 23, 2007

Google Tech Talks
June 23, 2007

ABSTRACT

Marissa Mayer, Vice President, Search Products & User
Experience, leads the product management efforts on Google’s
search products – web search, images, groups, news, Froogle, the
Google Toolbar, Google Desktop, Google Labs, and more. She
joined Google in 1999 as Google’s first female engineer and led the
user interface and webserver teams at that time. Her efforts have
included designing and developing Google’s search interface,
internationalizing the site to more than 100 languages, defining
Google News, Gmail, and Orkut, and launching more than 100
features and products on Google.com. Several patents have been
filed on her work in artificial intelligence and interface design.

Concurrently with her full-time work at Google, Marissa has taught
introductory computer programming classes at Stanford to over
3,000 students. Stanford has recognized her with the Centennial
Teaching Award and the Forsythe Award for her outstanding
contribution to undergraduate education.

Prior to joining Google, Marissa worked at the UBS research lab
(Ubilab) in Zurich, Switzerland and at SRI International in Menlo
Park, California. Marissa has been featured in various publications,
including Newsweek ("10 Tech Leaders of the Future"), Red Herring
("15 Women to Watch"), Business 2.0 ("Silicon Valley Dream
Team"), BusinessWeek, Fortune, and Fast Company. Graduating
with honors, Marissa received her B.S. in Symbolic Systems and
her M.S. in Computer Science from Stanford University. For both
degrees, she specialized in artificial intelligence.
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ReUsable Web Components with Python and Future Python Web Development
Google engEDU
52 min – Sep 13, 2006

Google Tech Talks
September 13, 2006

Ben Bangert works as a Senior Software Engineer in the Online Publishing Group at O’Reilly Media Inc. His fascination with technology and programming have led him to experiment with and use a variety of web technologies. Ben believes strongly in the "right tool for the right job" motto and has been adding tools to his programming belt for over 15 years.

ABSTRACT
Python’s Web Server Gateway Interface (WSGI) not only enables a multitude of Python web frameworks to share code when it comes to deployment, but also enables entirely new levels of re-use for Python web development. This talk is focused on explaining WSGI, new types of re-use with WSGI middleware, and explore new frameworks that heavily utilize WSGI; in this case, Pylons. Moving beyond monolithic frameworks that try to do everything themselves, to new modes of development where you can use just the parts you want and still have active development communities to interact with.
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HTML forms Next Generation
Google engEDU
53 min – Mar 5, 2007

Google Tech Talks
March 5, 2007

ABSTRACT

Web-based replacements for spreadsheets and simple forms

By Dave Raggett, W3C Fellow and Principal Researcher at Volantis Systems.

The ability to collect data from users and to submit it to servers has become a very important part of the Web. Forms are often supplemented by Web page scripts that enable the data to be checked as the user is filling out the form and before sending it to the server. These scripts can get quite complicated to develop and to maintain, making it interesting to explore ideas for replacing such scripts by equivalent declarative approaches.

XForms-Tiny is an incremental extension of HTML4 forms that can be deployed on today’s Web browsers using an open source cross-browser JavaScript library that works on Internet Explorer 6 and 7, Firefox 1.5 and 2, Opera 9, Konqueror 3.5, and Safari, When delivered via HTTP as a compressed file, the download size is only 6 Kilo Bytes.

XForms-Tiny provides authors with the means to use simple JavaScript expressions for validating field values and spreadsheet-like formulae for computed fields, but also the means to describe repeating groups of fields, e.g. for line items in a purchase order. XForms-Tiny further provides for suppression of irrelevant parts of forms and context dependent control over which fields must be filled out. All this is possible without the page author needing to write any lines of client-side script.

This talk will present XForms-Tiny and place it in the context of related work (Web Forms 2.0, XForms-Basic, and XForms full) as well as the challenges for dealing with the small displays on mobile devices.

You will also learn about new approaches for browser-based editors that avoid the pitfalls of designMode and which are paving the way for a replacement for spreadsheets, browser-based editing of slide presentations and much more.

If people are interested and there is time available, I could also give a brief summary of the impending W3C Ubiquitous Web Applications working group that applies markup and eventing to simplify the development of distributed applications across a wide variety of network appliances including desktop computers, office equipment, home media appliances, mobile devices (phones), physical sensors and effectors.

http://www.w3.org/2007/03/html-forms
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How the FreeBSD Project Works
Google engEDU
51 min – Jun 20, 2007

Google Tech Talks
June 20, 2007

ABSTRACT

The FreeBSD Project is one of the oldest and most successful open source operating system projects, seeing wide deployment across the IT industry. From the root name servers, to top tier ISPs, to core router operating systems, to firewalls, to embedded appliances, you can’t use a networked computer for ten minutes without using FreeBSD dozens of times. Part of FreeBSD’s reputation for quality and reliability comes from the nature of its development organization–driven by a hundreds of highly skilled volunteers, from high school students to university professors. And unlike most open source projects, the FreeBSD Project has developers who have been working on the same source base for over twenty years. But how does this organization work? Who pays the bandwidth bills, runs the web servers, writes the documentation, writes the code, and calls the shots? And how can developers in a dozen time zones reach agreement on the time of day, let alone a kernel architecture? This presentation will attempt to provide, in 45 minutes, a brief if entertaining snapshot into what makes FreeBSD run.

Speaker: Robert Watson
Robert Watson is a researcher at the University of Cambridge Computer Laboratory investinging operating system and network security. Prior to joining the Computer Laboratory to work on a PhD, he was a Senior Principal Scientist at McAfee Research, now SPARTA ISSO, a leading security research and development organization, where he directed government and commercial research contracts for customers that include DARPA, the US Navy, and Apple Computer. His research interests include operating system security, network stack structure and performance, and windowing system structure. He is also a member of the FreeBSD Core Team and president of the FreeBSD Foundation.
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Dasher: information-efficient text entry
Google engEDU
54 min – Apr 20, 2007

Google Tech Talks
April 19, 2007

ABSTRACT

Keyboards are inefficient for two reasons: they do not exploit the redundancy in normal language; and they waste the fine analogue capabilities of the user’s motor system (fingers and eyes, for example). I describe a system intended to rectify both these inefficiencies. Dasher is a text-entry system in which a language model plays an integral role, and it’s driven by continuous gestures. Users can achieve single-finger writing speeds of 35 words per minute and hands-free writing speeds of 25 words per minute. Dasher is free software, and it works in all languages, and on many platforms. Dasher is part of Debian, and there’s even a little java version for your web-browser. http://www.dasher.org.uk/
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Open Source Speaker Series: SilverStripe CMS
Google engEDU
53 min – Aug 1, 2007

Google Tech Talks
August 1, 2007

ABSTRACT

Learn about New Zealand from two of their biggest open-source developers and evangelists (and who have naturally starred in The Lord Of The Rings.)

Sam Minnee and Sigurd Magnusson are two of the three founders of New-Zealand based "SilverStripe", a company and open source project with ten students participating in this year’s Google Summer of Code.

They will share wisdom learnt managing people in an open source project, share ideas from developing a rich web interface and templating system, and stories from wearing the ring of darkness.
Sigurd has been living and breathing free software since his teens in the 1990s, discovering a 486 with Redhad Linux could run Quake fast enough to frag others at LAN games. His grandma taught him BASIC and C and got him access to a precursor of New Zealand’s first ISPs, which culminated years later with founding SilverStripe, an open source web-development company bent on making fantastic applications to simplify building and managing websites. Having let a dozen others at SilverStripe surpass him at PHP, Sigurd has now been charged with building up the SilverStripe community and producing other things, like daughters.
Sam is the lead architect of SilverStripe and has challenged the manner in which software is constructed ever since he began programming in his teens. Armed with a degree in computer science and philosophy, Sam has been mentoring and guiding the development of a dozen coders, hundreds of websites, and hundreds of thousands of lines of code. He has a firm grasp on intelligently structuring code as well as producing useful, enjoyable system interfaces, particularly helpful in the challenge of making SilverStripe a great tool for building and managing websites.
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