Tools and Frameworks in Digital preservation

1.  The Planets Interoperability Framework

http://www.planets-project.eu

The Planets Interoperability Framework is a software infrastructure for the preservation of digital documents. It provides the technical environment that governs the integration of the Planets end-user applications with preservation services and data repositories. This application server provides the container for web-based preservation applications (the Planets Test bed application and the Planets Preservation Planning Tool, PLATO).

Code available at http://sourceforge.net/projects/planets-contrib/files/

2.  PROTAGE: Long-Term Digital Preservation

Based on Intelligent Agents and Web Services

http://www.protage.eu/index.html

PROTAGE (PReservation Organization using Tools in AGent Environments) which will investigate new technology for computerizing long-term digital preservation based on intelligent software agents and Web services.

-          Produce and publish digital objects in a preservation-compatible manner

-          Provide digital repositories with the means for further automating the preservation processes

-          Facilitate seamless interoperation between content creators, libraries and archives, and end-users

3.  SHAMAN: Sustaining Heritage Access through Multivalent Archiving

http://shaman-ip.eu/

Develops a next generation digital preservation framework, it involves developing the relevant preservation tools for analyzing, ingesting, managing, accessing and reusing information objects and data across libraries, archives or any other deployment scenario.

4. HOPPLA – Archiving System for Small Institutions

http://www.ifs.tuwien.ac.at/dp/hoppla

Hoppla is an archiving solution that combines back-up and fully automated migration services for data collections in small office environments. The system allows user-friendly handling of services and outsources digital preservation expertise.

5. The CARA Approach for Long-Term Preservation and Exploitation of Medical Images and Reports

http://www.santec.lu/project/esante/cara/start

IT solutions to improve the quality of the information available in the National Electronic Medical Record (EMR) without excessively increasing the size of this database; and to provide appropriated services for health professionals to access, manage and use, according to strict security policies, the content of the EMR.

SAAS solutions for software dependent web sites

Most of web sites Still showing PDF file on web pages without proper viewer(Example) . For view these pages user should have the required softwares, but this issue can be fixed easily by using online document viewers  like Google Doc viewer, Zoho Viewer, PdfMeNot. These online services can be used to view many other types of documents quickly without leaving your browser. Here’s the code for embed pdf file using Google Doc viewer.

<iframe src=”http://docs.google.com/viewer?url=<Replace with your pdf url>&embedded=true” width=”600″ height=”780″ style=”border: none;”></iframe>

Currently this service supports for PDF, owerPoint presentations, and TIFF files.  All these tools are provide software as a service (SAAS), which is one of feature came with cloud computing.

ASP.NET Page Life cycle

Explain the life cycle of an ASP .NET page?

This is very common ASP.NET interview questions.  here are some useful informations to answer that question.

Cheat sheet related to  Aspnet life-cycles-events

What Happens When Facebook is Gone?

Below statistics shows the popularity of social networks

Social network Ranks [2]

Today Nov 2010, there are more than 500 million active users, over 900 million objects that people interact with (pages, groups, events and community pages) and  more than 200 million active users currently accessing Facebook through their mobile devices.[3]

Can you expect your Facebook account accessible after 10 years or 50 years? Will researchers have access to current Facebook data 250 years from now? What will happen to your data if Facebook deactivate your account  or Facebook is no more?

As a solution there is a Firefox extension called ArchiveFacebook , which helps you to save web pages from Facebook and easily manage them.  This tool is developed by modifying code from ScrapBook.

“What happens when facebook is gone?” is the paper they have published[1].  Even though there are many data in facebook  currently API support to extract only list of friends, personal information and photos of you. This paper come up with a archiving framework

proposed system framework

reference

[1]	F. McCown and M. L. Nelson, “What happens when facebook is gone?,” in Proceedings of the 2009 joint international conference on Digital libraries – JCDL ’09, p. 251, 2009.

[2]	“Social Networks: Facebook Takes Over Top Spot, Twitter Climbs.” [Online]. Available: http://blog.compete.com/2009/02/09/facebook-myspace-twitter-social-network/. [Accessed: 06-Nov-2010].

[3]	“Statistics | Facebook.” [Online]. Available: http://www.facebook.com/press/info.php?statistics. [Accessed: 06-Nov-2010].