Long term preservation of digital information
Proceedings of the 1st ACM/IEEE-CS joint conference on Digital libraries
The multivalent browser: a platform for new ideas
DocEng '01 Proceedings of the 2001 ACM Symposium on Document engineering
Java Virtual Machine Specification
Java Virtual Machine Specification
Migration on Request, a Practical Technique for Preservation
ECDL '02 Proceedings of the 6th European Conference on Research and Advanced Technology for Digital Libraries
Multivalent documents: anytime, anywhere, any type, every way user-improvable digital documents and systems
Preservation of digital publications: an OAIS extension and implementation
Proceedings of the 2003 ACM symposium on Document engineering
UpLib: a universal personal digital library system
Proceedings of the 2003 ACM symposium on Document engineering
Saving private hypertext: requirements and pragmatic dimensions for preservation
Proceedings of the fifteenth ACM conference on Hypertext and hypermedia
Indexing and searching tera-scale Grid-Based Digital Libraries
InfoScale '06 Proceedings of the 1st international conference on Scalable information systems
Cheshire3: retrieving from tera-scale grid-based digital libraries
SIGIR '06 Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval
Digital preservation as communication with the future
DSP'09 Proceedings of the 16th international conference on Digital Signal Processing
Knowledge generation from digital libraries and persistent archives
ECDL'06 Proceedings of the 10th European conference on Research and Advanced Technology for Digital Libraries
A Measurement Framework for Evaluating Emulators for Digital Preservation
ACM Transactions on Information Systems (TOIS)
Digital Preservation in Grids and Clouds: A Middleware Approach
Journal of Grid Computing
Preservation-awareness in collaborative engineering
Computers in Industry
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The Multivalent Document Model offers a practical, proven, no-compromises architecture for preserving digital documents of potentially any data format. We have implemented from scratch such complex and currently important formats as PDF and HTML, as well as older formats including scanned paper, UNIX manual pages, TeX DVI, and Apple II AppleWorks word processing. The architecture, stable since its definition in 1997, extends easily to additional document formats, defines a cross-format document tree data structure that fully captures semantics and layout, supports full expression of a format's often idiosyncratic concepts and behavior, enables sharing of functionality across formats thus reducing implementation effort, can introduce new functionality such as hyperlinks and annotation to older formats that cannot express them, and provides a single interface (API) across all formats. Multivalent contrasts sharply with emulation and conversion, and advances Lorie's Universal Virtual Computer with high-level architecture and extensive implementation.