Difference between revisions of "Technology"

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The Technology Division provides technical support to the activities and projects carried out by the Foundation. Technology activities are managed by '''[[Technology Team]]'''.
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'''Technology''' is an integral component of many programs undertaken by the Noolaham Foundation.  We use and build upon a range of technologies including scanning technologies, archiving and digital library software, educational software and collaboration tools.  
  
== Archiving and Preserving Technology ==
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The '''Technology Team''' is responsible for the strategic technology planning and infrastructure implementation for all of Noolaham's operationsDocumentation/data collection, scanning, online library, project management and co-ordination--all require cost effective software and hardware infrastructure and support.
Noolaham's primary function is to archive and preserve physical and digital sources for the long termIn addition cataloging, classification, and distribution of collected sources are of our concerns.  Wherever possible physical sources are collected and digitalized.  Text and images are digitalized in high quality for preservation and possible optical character recognition.  Smaller size and web suitable versions (usually pdfs) are created for online distribution.
 
  
We are in the process of finalizing standards for scanning, and storing all forms of media (text, images, audio, video, web).  Our standards are based on established institutional standards.
 
  
Please refer to the digital library software details for information about how meta data is collected about sources and how the sources are shared online.
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== Technical Support & Maintenance ==
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=== Customization, Hosting and Maintenance of MediaWiki ===
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Currently Noolaham's digital library uses MediaWiki as the digital library software. It is being hosted in a virtual environment, using a LAMP environment.  There are three main components to the digital library: content (pdf documents, html documents and image files), database containing the metadata, and the website.  Data extraction from the templates, and implementation of semantic wiki are currently being undertaken.
  
== Equipment & Services ==
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=== Backup & Restoration Plan ===
=== Colombo Office ===
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The content (pdfs, html files and image files), database and websites are backed in four geographical locations in three continents on a regular basis.  This is to ensure protection from physical or other threats, and continuation of the work.
* Work stations
 
* Manual Scanners
 
* Manual Scaners - Large
 
* Flash Drives
 
* External Hard drives
 
* Internet Connection Service
 
* Telephone Service
 
  
=== Jaffna Office ===
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=== Software, Hardware and Logistics Support ===
* Work stations
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Many of Noolaham's projects are IT driven. The Technology Team fulfills the IT needs of the Foundation in several ways: undertaking software development and customization, building collaboration and project management tools, providing scanning solutions and other activities.
* Manual Scanners
 
* Manual Scaners - Large
 
* Flash Drives
 
* External Hard drives
 
* Internet Connection Service
 
* Telephone Service
 
  
=== Volunteers ===
 
* Digial camera
 
* Voice Recorders
 
* Flash drives
 
* Cellphone Service
 
  
=== Future Needs ===
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== Preservation and Digital Archiving ==
* Sheet-feed scanners
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=== Digital Library Software ===
* Automated scanners
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Considering our growing needs we have began the process of transitioning into an advanced digital library software. Currently we are evaluating various software solutions for implementation. Multimedia, meta-data management, browsing and searching, social sharing and community features, multilingual support, work flow, access control, scalability, extensibility, maintenance, costs and development community are key considerations.
  
== Backup ==
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=== Scanning Technologies ===
There is backup and restore plan in inplace to ensure the Noolaham Foundation's long term preservation of its work from technical or other failuresThe goal is to have robust mechanism to regularly backup all necessary work in multiple geographical locations and restore promptly when needed.
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Noolaham’s technical teams provides guidance with regards to scanners, scanning methods and process to be implemented in the Noolaham’s Scanning CentersThere are manual, semi-automatic, and automatic scanners. Currently we mostly employ manual scanners, which demand high labour. In the short term, we are planning to employ semi-automatic scanners and automatic scanners to achieve greater efficiency while maintaining the quality.
  
Noolaham Digital Library consists of three main components: the data files (pdfs, html, images), the database with metadata, and the websiteAll three are backed on a weekly bases on three different geographical locations.
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=== Multimedia Archiving ===
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Increasingly images, video, audio and multimedia are used to share and communicate ideas.  Digital technologies have enabled the documentation of tacit knowledge and intangible cultural heritage easier.  In the first five years, Noolaham has focused on documenting text based records such as books, magazines and newspapersWith the Multimedia Arching project we are building a collaborative platform using Drupal CMS driven Mukurtu.
  
== Digital Library Software ==
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=== Web Archiving ===
Currently [http://www.mediawiki.org/wiki/MediaWiki Mediawiki] is being used as the digital library software for Noolaham Digital LibraryMediawiki is being currently used because it is free, easy to use and maintainHowever, considering our growing needs we are in the process of transitioning into a proper institutional repository software.  
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Tamil and Tamils related content on web is temporal. Due to hosting costs, lack of maintenance or changing technologies web content gets lostInspired by Internet Archive, Noolaham’s Web Archiving project aims to archive informative and culturally important Tamil web content for posterityThe project involves building an intelligent vertical web crawler and a system to store, organize, search and retrieve web assets.
  
Currently Noolaham technical team is evaulating various digital library software for implimentationThe following features are identified as priorities:
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=== Dataset Development ===
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Open data is critical for our societyInformation about places, organizations, people, books, movies, media, arts, crafts etc need to be accessible to all and shared in a standard way.  We work with other organizations in creating standards, and in collecting and disseminating data sets.
  
* Multimedia support
 
* Meta-data
 
* File system
 
* Search
 
* Browsing
 
* Multilinqual support
 
* Scalability
 
* Extendability
 
* Easy of maintenance
 
* Software community
 
  
== Hosting ==
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== Data and Information Architecture ==
Hosting of the Noolaham digital library involves considerable IT implementationThe storage and bandwidth are two major concerns.  Currently the library is hosted in a LAMP platformThe storage requirements exceed 350GB.  Is being hosted by '''[http://webspace2host.in webspace2host.in]''' as in-kind donation.
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=== Digital Library ===
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Applying Information Architecture principles and practices for digital libraries improves archiving findability and usabilityFrom enabling access, browsing, metadata to classification technology team works closely with the program team to design and implement the information architecture.   
  
 
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=== Virtual Learning Environment ===
 
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The goal of the Virtual Class Room is to provide students open courseware for self-directed learning as well as to assist in their regular school work. This project uses Moodle learning management software. This project is in its early stage of development.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
[[Category:Technology]]
 
[[Category:All Pages]]
 

Latest revision as of 13:02, 5 August 2014

Technology is an integral component of many programs undertaken by the Noolaham Foundation. We use and build upon a range of technologies including scanning technologies, archiving and digital library software, educational software and collaboration tools.

The Technology Team is responsible for the strategic technology planning and infrastructure implementation for all of Noolaham's operations. Documentation/data collection, scanning, online library, project management and co-ordination--all require cost effective software and hardware infrastructure and support.


Technical Support & Maintenance

Customization, Hosting and Maintenance of MediaWiki

Currently Noolaham's digital library uses MediaWiki as the digital library software. It is being hosted in a virtual environment, using a LAMP environment. There are three main components to the digital library: content (pdf documents, html documents and image files), database containing the metadata, and the website. Data extraction from the templates, and implementation of semantic wiki are currently being undertaken.

Backup & Restoration Plan

The content (pdfs, html files and image files), database and websites are backed in four geographical locations in three continents on a regular basis. This is to ensure protection from physical or other threats, and continuation of the work.

Software, Hardware and Logistics Support

Many of Noolaham's projects are IT driven. The Technology Team fulfills the IT needs of the Foundation in several ways: undertaking software development and customization, building collaboration and project management tools, providing scanning solutions and other activities.


Preservation and Digital Archiving

Digital Library Software

Considering our growing needs we have began the process of transitioning into an advanced digital library software. Currently we are evaluating various software solutions for implementation. Multimedia, meta-data management, browsing and searching, social sharing and community features, multilingual support, work flow, access control, scalability, extensibility, maintenance, costs and development community are key considerations.

Scanning Technologies

Noolaham’s technical teams provides guidance with regards to scanners, scanning methods and process to be implemented in the Noolaham’s Scanning Centers. There are manual, semi-automatic, and automatic scanners. Currently we mostly employ manual scanners, which demand high labour. In the short term, we are planning to employ semi-automatic scanners and automatic scanners to achieve greater efficiency while maintaining the quality.

Multimedia Archiving

Increasingly images, video, audio and multimedia are used to share and communicate ideas. Digital technologies have enabled the documentation of tacit knowledge and intangible cultural heritage easier. In the first five years, Noolaham has focused on documenting text based records such as books, magazines and newspapers. With the Multimedia Arching project we are building a collaborative platform using Drupal CMS driven Mukurtu.

Web Archiving

Tamil and Tamils related content on web is temporal. Due to hosting costs, lack of maintenance or changing technologies web content gets lost. Inspired by Internet Archive, Noolaham’s Web Archiving project aims to archive informative and culturally important Tamil web content for posterity. The project involves building an intelligent vertical web crawler and a system to store, organize, search and retrieve web assets.

Dataset Development

Open data is critical for our society. Information about places, organizations, people, books, movies, media, arts, crafts etc need to be accessible to all and shared in a standard way. We work with other organizations in creating standards, and in collecting and disseminating data sets.


Data and Information Architecture

Digital Library

Applying Information Architecture principles and practices for digital libraries improves archiving findability and usability. From enabling access, browsing, metadata to classification technology team works closely with the program team to design and implement the information architecture.

Virtual Learning Environment

The goal of the Virtual Class Room is to provide students open courseware for self-directed learning as well as to assist in their regular school work. This project uses Moodle learning management software. This project is in its early stage of development.