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Welcome to AuthenaTM: An Open Forum for Open Source
CMS & DRM
Authena @ Harvard Law
School & OSCOM.ORG
DRM FORUMS
Dr. Elliot McGucken
AuthenaTM software is based on a philosophy of creators' rights, and its three pillars are:
1. Full Artistic Control: Open Source CMS allows Artist-Hackers to get under the hood to change themes, graphics, UI, sound quality, modules, etc.
2. Distribution: Open Source CMS coupled with RDF/RSS fosters efficient searches and syndication on the semantic web, and thus effective distribution.
3. DRM: Open Source CMS coupled with an extensible rights language such as the CC licenses expressed in RDF/RSS allows a full spectrum of rights definitions in parallel with
distribution. Open security standards and protocols afford financial transactions, secure delivery, and trusted ratings for marketplaces and content.
There are great divides in the contemporary media industry. Many companies and individuals are finding themselves on the wrong side of the laws--Moore's Law, Metcalfe's Law, and
Constitutional Law. Authena is devoted to keeping artists and entreprenuers on the right side of the laws. The Open Source Content Management System (CMS) renaissance is under
way, and with a few clicks of the mouse or a bit of PHP, you can begin leveraging its vast power to host your band's site, to share or sell your photography, to display your art,
to organize and stream your music, to set up a record label or publishing house, and to have fun pursuing your artistic dreams. Simply put, Open Source has moved beyond the
operating system, and is now bringing its classic robustness and freedom to content management systems--many are listed in the right hand column.
Gone are the days when we logged on to merely set up a web page or share our poetry. Today, with Open Source CMS, one can become a record label, publisher, distribution center,
and media conglomerate. The software is still a bit "hackeresque," but Authena is aiming to help streamline it, highlight the coolest applications, and bundle them
with open standards for digital rights management (DRM). Check back here early and often for the latest in how you can manage your creations online.
Some early demos of 1-click Open Source CMS software include mobynuke.net, pnavy.com, and 22blog.com, 22photo.com. And VVgallery can be demoed and downloaded here. And yes, we're tackling film too at docfound.com.
Authena: A Philosophy of Creators' Rights Based on Open Source CMS
By providing a set of modules and an architectural philosophy for generating
RDF/RSS descriptions incorporating the Dublin Core and the extensible Creative
Commons licenses, Authena seeks to marry a full spectrum of rights definitions
to Open Source CMS. A second set of modules capable of reading RSS feeds and
retrieving rights descriptions and content via a REST protocol will enable syndicated
content distribution across a network of CMS. Modules capable of generating
RDF rights descriptions and embedding them in media and RSS feeds allow media
shops, galleries, and content repositories to syndicate media via a REST protocol.
Individual creators, businesses, and institutions hosting content in Open Source
CMS can syndicate it to OSS repositories or marketplaces endowed with transaction
and royalty-tracking capabilities. Repositories and marketplaces can in turn
syndicate their content to yet other markets and repositories while preserving
rights descriptions and recording transactions, affording a decentralized distribution
model that binds the rights description to the actual medium of syndication.
Whereas RSS is generally used for syndicating newsfeeds, Authena uses RSS to
syndicate rights information and links to digital media in different formats,
including thumbnailed, watermarked, and high-quality originals in secure directories,
so as to facilitate the indexing, harvesting, and selling of content on the
semantic web in accordance with rights defined by the creator.
Early Authena clients and servers include modified versions of Gallery and Oscommerce, represented at http://pnavy.com/dcgallery and http://vvgallery.org. Digital rights specifications are exchanged with RSS/RDF feeds, and a central commerce engine (powered by Oscommerce for
instance) may sell digital content from hundreds of satellite clients (powered by gallery). Authena servers manage digital rights and facilitate financial transactions pertaining
to content hosted by Authena clients, which consist of open content management systems empowered with Authena modules. Digital rights are marked up in the Dublin Core and other
open specifications. The Creative Commons licenses are integrated within the Authena standard. Authena aims to keep abreast of evolving DRM standards and protocols, including
ODRL, the Dublin Core, IMS, XKMS, Palladium, OKI, and the Liberty Alliance.
A window exists for the open source community to marry digital rights management (DRM) to content management systems (CMS) such as postnuke, gallery, tikiwiki, and oscommerce. Authena is devoted to
fostering the development of an open DRM system which will allow creators to be compensated for their works or place them in the public domain. We have some ideas of what the
code might look like, and we'll be sharing them here soon. If you have any ideas, please submit
them! Let us know if you come across anything cool at sourceforge or freshmeat!
Open Source DRM may be the final frontier in liberating the control of content from media goliaths. Though it may seem counter-intuitive that the open-source community would
further a DRM system, it actually makes perfect sense. While open source is best suited to massive projects supporting objective functionality such as operating systems and
complex applications, intellectual property which relies on the individual's vision, such as photographs, paintings, novels, songs, and poems, is often better encouraged by a DRM
system which allows the creator to define the rights and be compensated.
The only place the word "right" appears in the United States Constitution is in the following passage:
The Congress shall have Power To promote the Progress of Science and useful Arts, by securing for limited Times to Authors and Inventors the exclusive Right to their respective
Writings and Discoveries;
This sounds like a pretty good idea. If artists, authors, and inventors are compensated for their creative endeavors, they'll have incentive to enrich everyone's lives with
their creations.
Unfortunately, what started out as a good idea has been leveraged by certain lawyers, bureaucrats, and corporations to enrich themselves at the expense of artists, creators, and
the public. Now we're not railing against all lawyers nor big businesses, but we think it'd be cool if some of the middlemen were bypassed so that artists didn't have to pay the
"bureaucracy tax" to have their works distributed.
The traditional New York media companies do provide a certain degree of quality control, but like all aging old-boys clubs, they pad their books and CDs with nepotism, politics,
and postmodern pretentiousness, and they charge you extra for the service.
Many of them fear the free marketplace fostered by the internet, because out here people don't pay quite as much for hype. But in actuality, the internet is the honest
businessman's best friend--it's the greatest mechanism for content distribution in all of history. And there's no reason why every artist and creator shouldn't become their own
distributor, and pocket a bit more of the revenue generated by their creative endeavors.
The creative arts naturally gravitate towards the free market, and where so many proprietary systems have fallen short, open source has a chance of triumphing. An open DRM
standard has the best chance of widespread adoption, and thus corporations shall follow the lead of the open source community.
It is in the best interest of large companies such as Microsoft to have everyone using their standards, but in an open and free society, that is not reason enough for standards
to prevail. Standards which empower the lone artist and intellectual will triumph because they're simple and elegant, and because they provide a mechanism by which the creative
individual may be compensated.
And so it is that Authena is dedicated to serving the original spirit of the Constitution by providing an Open Source DRM system in conjunction with Open Source CMS. If you can
make a few bucks here and there off of your creative efforts, or publish a bestseller to the world without asking some New York marketing manager's permission, then we'll know
we've succeeded.
This work is licensed under a
Creative Commons
License.
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In praise of Digital Rights Management |
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Neil Mcallister of InfoWorld writes, "This is an ideal opportunity for the open source community to step in. If we could only put aside our righteous
indignation, we could start working toward a DRM technology that will benefit all of us. We've been so caught up in thinking of DRM as a tool for evil that we haven't begun to
consider all the ways it could be used for good, in the right hands. Our hands, for example."
More: http://www.infoworld.com/article/05/07/25/30OPopenent_1.html |
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Posted by: Admin on Aug 14, 2005 - 05:02 PM
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Open "Community" Source DRM: CE giants open DRM to the
community |
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The Register Reports:
The leading vendors in consumer electronics have banded together to create a Community Source Program for digital rights management and will license the whole kit and caboodle,
the patents, copyrights, compliance logo and source code to anyone that wants it.
Effectively CE DRM is going open source (to the extent that Community Source is the same as Open Source) in order to flood the market with DRM systems and route the threat
offered by Microsoft in consumer electronics.
Falk AdSolution
Click Here
The move comes from the leading lights in the October announced Coral Consortium, and the DRMs that can be created with the new development tools will all be compliant with and
ready to interoperate through the Coral interoperability standard.
These moves were made by the Intertrust.Sony.Philips DRM axis this week, with the creation of something called the Marlin Joint Development Association.
The Marlin JDA also has the backing of Samsung and Matsushita, so effectively these are the same companies that are working on the Coral DRM interoperability standard due out
some time later this year.
Community Source |
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Posted by: Admin on Jan 31, 2005 - 07:23 PM
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22surf in Zurich |
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Surf's up and the LAMP developer community is ready to rock out. As soon as somebody manufactures handhelds and media-servers
that can readily run common Linux and LAMP (Linux/Apache/MYSQL/PHP) applications like postnuke and phpnuke,
the floodgates of innovation will open. Move over iPod(TM), TiVo(TM), iPaq(TM), and Microsoft(TM). Open-source CMS and DRM will power tomorrow's content marketplaces, handhelds, computers, and media-servers, as artist-hackers create the
open-source hardware, software, and standards for all-in-one media devices, record labels, movie distribution, media marketplaces, and modeling agencies.
The 22surf Postulates (Not to be confused with patent claims)
0. You can't patent the waves. Hackers must surf them.
1. Standards must be open and free, or they will not become standards.
2. It's not the technology that's lacking to build an all-in-one 22surfboard, but it's the culture. Surf's up, and artist-hackers are
hungry for a true open-source handheld which lends itself to Linux, Apache, MYSQL, and PHP/PERL/PYTHON (LAMP) development. Give them the board, and they'll surf Moore's Law,
Metcalfe's Law, and Constitutional Law on home to thousands of new ventures for creators and content companies. Become a 22surfer and help
fellow surfers build 22surf ventures and design 22surfboard devices! There's room for artist-hackers,
lawyers, MBAs, programming gods, UI designers, drummers, and more! Heck, we could even use some architects to design the 22surfshacks.
3. Open-source CMS and DRM, specifically LAMP-based applications, will power tomorrow's content marketplaces.
4. Open-source CMS and DRM, specifically LAMP-based applications, will power tomorrow's personal media devices.
5. Open-source CMS and DRM, as outlined by authena.org, will allow creators to define their rights and be compensated. And too, it will allow
consumers to compensate creators directly rather than middlemen corporations.
6. Open-source-patent devices designed to run LAMP applications from off-the-shelf hardware, such as the 22surfboard, will surf Moore's law to all-in-one functionality, as media-servers, computers, and cell phones combine to become one. The power of
today's Dell server will be found on tomorrow's handheld and the functionality will follow.
7. Tomorrow's media landscape will be defined by a global network of 22surfboard devices interacting over http via REST web services.
8. A 22surfshack will be a coffee-shop, a club, and a music and video store powered by open-source CMS and DRM. Bring your 22surfboard, browse and buy or rent your favorite
movies or songs, record your favorite band's live performance, and take it with you for a small fee which goes straight to the band. 9. As Moore's law marches on, there will be
less need for ASIC chips, as everything will run full Linux distributions. The hardware and operating sytem will be standardized, and device functionality will be distinguished
at the programming level.
10. The technology for ventures centered upon open-source CMS & DRM is all there as outlined at authena.org--RDF/RSS for rights definitions;
http and REST web services for content transfer, rights negotiation, and syndication; SSL, PGP, Media-S,
and OPENIPMP for encryption and security; bit torrent for accelerated downloads, and LAMP applications such
as postnuke, phpnuke, xoops, oscommerce, and
netjuke for media browsing, buying, serving, and viewing. Surf's up, but there's nothing to surf it with.
11. Indy artists, musicians, and film-makers will be able to sell their content alongside media behomeths to 22surfboard devices.
12. Drummers will become record-label executives, runnning their own marketplaces, as outlined in the 22surf open source business plan.
13. Googles, ebays, yahoos, and amazons will mimic artist-hackers (22surfers) and rush to support the open standards so that they can become
leading content servers for the plethora of 22surf creators hosting on LAMP applications and consuming content on 22surfboard devices.
14. By leveraging the power of the Sourceforge.net developer community, 22surfboards will gain functionality faster than iPods(TM),
TiVos(TM), Microsoft(TM) media-servers, and other proprietary devices.
15. Hackers are hungry for true open-source-based handhelds. Give the LAMP community a 22surfboard handheld that can run standard Linux distros,
and the floodgates of innovation will open--the first hardware company to do this will benefit greatly.
16. Chapel Hill will play host to the annual opensourcearts.org festival and conference, bringing artists, artist-hackers, and hackers together, with LAMP programmers lecturing
about hosting your band's site and open-source DRM for indy film-makers throughout the day and films, and musicians rocking out at night.
17. The waves of Moore's Law, Metcalfe's Law, and Consitutional Law are bringing about a sea change in the content business. As stated in the 22 surf
business plan released on Sourceforge.net, one can start the following businesses: a) sell keyword advertising throughout free OSCMS hosting services (blogs, galleries,
etc.), b) sell advanced hosting options/extra disk space, c) charge 5% on content marketplace transactions, d) charge 5% on Open Source Arts freelance services marketplace
transactions, e) manage/host media assets of large businesses (record labels/movie studios/etc.), f) sell printing services (or partner with businesses) for hard-copy books,
prints, CDs, DVDs, etc. g) create a syndicable friendster/FOAF (friend-of-a-friend) network h) Manufacture 22surfboard hardware devices i) Become a business/legal expert with the
22surf philosophy. j) Sell your band's contnet online, or self-publish, or stream your movie over LAMP, and then offer the services to your friends, their friends, and then the
world.
18. Hardware devices built from open source patents and off-the-shelf hardware will triumph over proprietary devices, which often waste
resources by duplicating efforts in parallel development, after which the competing companies take each-other to court over obscure patent claims assuring mutual destruction of
said companies and enriching the lawyers, leaving it up to hackers to create all-in-one handelds for aesthetic purposes.
19. Storage space will be solved by micro-drives, new memory technologies, and ubiquitous wireless networks.
20. We can beam movies about the globe in seconds, clone humans and pets, but try getting a video off your TiVo onto your Linux laptop. Try getting your music off your iPod onto
your Linux desktop. 22surf aims to make content more fluid via ubiquitous standards for rights and content management, while also allowing for open-source DRM, affording creators
the ability to define rights and be compensated.
21. A wired and wireless network of interacting LAMP-based media servers will define tomorrow's media networks. The same cable brings both TV and the WWW into the house, and as
media goes digital, creators and content companies will gravitate towards the standards and devices that are free and widely accepted--standards and devices that allow them to
profit from their creativity without paying a middleman.
22. All 22surfboard devices, be they servers, handhelds, desktops, palmtops, media-servers, or cell-phones, will meld into one as Moore's Law
marches on.
23. The 22surf philosophy will benefit the creator and end-consumer, as well as all the artist-hackers, lawyers, and MBAs who learn to surf Moore's Law, Metcalfe's Law, and
Constitutional Law.
24. Time and innovation are on 22surf's side. LAMP-based record labels, movie distributors, handhelds, media-servers, and modeling
agencies will blossom.
25. Proprietary standards pave the way to dead-ends. Pouring concrete foundations on the ever-shifting beach to prevent surfers from accessing the open water is a great way to
waste venture capital. Software patents are the kiss of death for any DRM system, as they ensure that the global hacker community will ignore it.
26. Linus says DRM is cool with Linux--"Ok, there's no way to do this gracefully, so I won't even try. I'm going to just hunker down for some really impressive extended
flaming, and my asbestos underwear is firmly in place, and extremely uncomfortable. I want to make it clear that DRM is perfectly ok with Linux!"
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Posted by: Admin on Dec 28, 2004 - 09:41 AM
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Authena/22surf to Present at OSCOM4 in Zurich |
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22surf to Present at OSCOM4 (Open Source Content Management) in Zurich.
22surf: An Open Source Business Plan for Open Source CMS & DRM
OSCOM Track: Business/Legal
Title:
22surf.org: An Open Source Business Plan for Open Source CMS & DRM
Presenters:
Dr. Elliot McGucken: Founder of authena.org, 22surf.org, and jollyroger.com
Chris Mollis: Founder of objectlab.com and openipmp.org (Open Source DRM)
22surf Summary:
22surfing is a sport. It's for individuals and businesses alike. It's about surfing along with natural laws like Moore's Law, Metcalfe's Law, and intellectual property law
towards one's dreams as a creator, hacker, and entrepreneur. It's about riding technology's bleeding edge out to where artist-hackers, writers, movie directors, photographers,
and musicians form their own media archives and markets, as Open Source Content Management Systems (CMS) surpass yesterday's proprietary solutions. |
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Posted by: Admin on Aug 23, 2004 - 07:58 AM
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Open Source Business Plan for Open Source CMS & DRM |
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From 22surf.org: It.s a Catch-22. Universally trusted DRM and syndicated commerce can.t work unless the business methods are open,
and it is common wisdom that a business must keep its methods secret. Unless of course the business aims to build syndicable marketplaces with universally-trusted DRM riding on
Open Source CMS. By surfing along with Moore's Law, Metcalfe's Law, and Constitutional Law, this can all be accomplished.
Digital rights management (DRM) is the holy grail of the internet. It is a multi-billion-dollar, ever-expanding market, and an apt solution will be invaluable to the livelihood
of all media companies. 22surf proposes that DRM will be solved with an Open Source philosophy such as that promoted by Authena. Security standards will only emerge if
artist-hackers trust them. Over time, marketplaces that are best able to establish trust will prevail and snowball. The first mover in "trust" will have a lot to gain.
The business model of centralized conglomerates marketing the digital rights of a handful of artists is outdated. Both the artists and end-consumers have been flustered.
A new model, consisting of a distributed network of thousands of creators hosting their content on Open Source CMS and syndicating it to trusted archives and marketplaces, is
emerging. In order to build a trusted network of marketplaces supporting common standards for syndicated commerce, the business plan should be shared openly. The transparency
provided by Open Source will foster the adoption of open standards for DRM and syndicated commerce. 22surf.org |
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Posted by: Admin on Jun 10, 2004 - 10:17 AM
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Software Patents in Europe: Why Software, Like Physics, Isn't
Patentable |
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swpat.ffii.org reports:
Advances in software are advances in abstraction. While traditional patents were for concrete and physical inventions, software patents cover ideas. Instead of patenting a
specific mousetrap, you patent any "means of trapping mammals" or "means of trapping data in an emulated environment". The fact that the universal logic
device called "computer" is used for this does not constitute a limitation. When software is patentable, anything is patentable. |
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Posted by: Admin on Sep 22, 2003 - 05:12 PM
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GNU Questions: RMS on SCO, Distributions, DRM |
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ofb.biz reports "In September of 1983, a computer programmer working in the Massachusetts Institute for Technology AI Lab announced a plan that was the
antithesis of the proprietary software concept that had come to dominate the industry. The plan detailed the creation of a UNIX replacement that would be entirely free, not as in
the cost of the product, but as in freedom. That announcement would eventually catapult its author, Richard M. Stallman, into someone known and respected around the world and,
perhaps more amazingly, a person that companies such as Apple and Netscape would alter their plans because of."
http://www.ofb.biz/modules.php?name=News&file=article&sid=260
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Posted by: Admin on Aug 28, 2003 - 06:06 PM
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Interesting Thread on Open Source DRM |
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Slashdot.org writes:
The different worlds of DRM and Open Source have come together under OGG-S, a project that just recently went to beta with their Open Source DRM toolkit. The project license in
GPL and uses OpenSSL for its encryption engine. It will be interesting to see if this project helps to spread the acceptance of Ogg Vorbis.
http://slashdot.org/articles/03/04/03/2059223.shtml?tid=141 |
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Posted by: Admin on Aug 28, 2003 - 06:00 PM
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A United States of Code Bases |
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We have the opportunity to build interstate highways by which content can travel freely from one Open Source CMS to another.
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Posted by: Admin on Jul 03, 2003 - 10:47 PM
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Netjuke & Authena by Blake Watters |
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At the most basic level, the Netjuke is a web application for managing audio media files. But it.s also much more
than that. Netjuke is an advanced Open Source (GPL licensed), cross-platform, multilingual, database-driven streaming media jukebox written in pure PHP 4 designed to empower both
users and administrators with the tools needed to manage even extremely large collections of audio media. As Netjuke has evolved, it has grown from a simple interface to ease the
task of managing a centralized repository of media to a full-blown content management system capable of maintaining all audio related metadata. The system now supports multiple
security levels, features to protect and restrict the media under Netjuke.s control, and a variety of metadata including lyrics, cover art, and (the most pertinent for this
conference) license data. |
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Posted by: Admin on Jul 01, 2003 - 10:46 AM
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CC License Available At Sourceforge |
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cclicense is a simple library implemented in PHP 4 that provides a simple method for representing and
expressing the rights associated with a content license. The library is built around the Creative Commons licenses, but can be extended to others as well. |
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Posted by: Admin on Jun 29, 2003 - 11:00 AM
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OPENIPMP ADDS SUPPORT FOR MPEG-REL |
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06.03.2003 - CONTENTGUARD AND OBJECTLAB COLLABORATE TO PROVIDE SUPPORT FOR MPEG-REL WITHIN OPENIPMP
ContentGuard and Objectlab today announced the companies have collaborated to enhance the open source project, OpenIPMP, with support for the forthcoming industry standard
rights expression language, MPEG-REL. By making available source code for MPEG-REL interpretation and generation tools within the OpenIPMP framework, both companies hope to
promote and drive the adoption of interoperable standards for Digital Rights Management (DRM).
The OpenIPMP project, sponsored by Objectlab, provides a reference platform to demonstrate the
cutting-edge standards-based DRM technology. The MPEG-REL, based on ContentGuard.s XrML (eXtensible rights Markup Language), is expected for release as an ISO/IEC Standard later
this year. Widespread adoption of MPEG-REL will allow seamless distribution of digital works between the diverse range of parties involved in digital content creation,
distribution and consumption.
.We are very excited to be working with ContentGuard on this initiative. ContentGuard.s research and development in the area of digital rights languages is an indispensable
contribution to the overall DRM community. The addition of MPEG-REL in OpenIPMP will demonstrate the state of the art with respect to a standardized rights expression language in
a DRM system,. said Joe Rinaldi, Objectlab's Vice President of Product Development.
.Objectlab.s decision to include MPEG-REL support in OpenIPMP validates its commitment to promoting standards-based reference implementations for the software development
community. OpenIPMP will help validate interoperable DRM standards and drive down the cost of experimentation required for the DRM market to mature,. said Eddie Chen, Vice
President of Technology and Development at ContentGuard.
About the OpenIPMP Project
Sponsored by Objectlab, the OpenIPMP project provides an evolutionary path for the future of DRM, demonstrating the state of the art with respect to open standards based DRM
technology. As such standards are just beginning to emerge, the project.s charter is to evolve as these standards mature. OpenIPMP.s evolution will not only continue to track to
emerging standards, but is itself an integral contributor to the standards community. Working with MPEG, ISMA, MOSES, and other organizations, OpenIPMP is committed to the
process, aiding in the validation of experimental standards, the
design of new specifications, and in producing openly available reference implementation software.
For more information, please visit www.openipmp.com.
About Objectlab
Founded in 1996, Objectlab, LLC is a software development and services company specializing in delivering high impact technology solutions to the media and entertainment
industries. The company has developed many strategic development relationships with Fortune 500 clients and has been involved in several high profile digital media management
and distribution projects. Objectlab is based in New York, NY with offices in New Jersey, and is privately held and funded. For more information, please visit www.objectlab.com.
About ContentGuard
ContentGuard, Inc. is driving the standard for interoperability in Digital Rights. The company.s broad foundation portfolio of DRM system patents, and its Rights Expression
Language, XrML (eXtensible rights Markup Language) were originally developed at the Xerox Palo Alto Research Center (PARC). ContentGuard is driving the adoption of XrML as the
industry standard for access and usage rights. XrML has been selected as the basis for the Moving Picture Expert.s Group (MPEG) and the Open eBook Forum (OeBF) Rights Expression
Language, and has been contributed to the Organization for the Advancement of Structured Information Systems (OASIS) Rights Language Technical Committee. Launched in April 2000,
ContentGuard conducts its operations in Bethesda, MD, and El Segundo, CA. The company is owned by Xerox Corporation (NYSE:XRX), with Microsoft Corporation (NASDAQ: MSFT) holding
a minority position. For more information, please visit www.contentguard.com.
ContentGuard is a registered trademark of ContentGuard Holdings, Inc. All other company and product trademarks are the property of their respective owners.
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Posted by: jr_openipmp on Jun 09, 2003 - 12:18 PM
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Authena to Present at OSCOM
Conference @ Harvard |
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Authena: A Philosophy of Creator's Rights.
OSCOM is an international, not-for-profit organization dedicated to Open Source Content Management.
The goal is to bring together as many great brains as possible to build a network and grow the community of open source content management.
We want to show the world that there are already great and easy-to-use open source content management solutions out there.
Third Open Source Content Management Conference |
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Posted by: Admin on May 06, 2003 - 08:57 AM
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Authena Sponsors |
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Interested in sponsoring Authena? Please contact us.
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User's Login |
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Ephemerids |
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On a day like today...
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Past Articles |
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