1. Radoslav Pavlov, Galina Bogdanova, Desislava Paneva- Marinova, Todor Todorov, Konstantin Rangochev radko@cc.bas.bg, galina@math.bas.bg, dessi@.cc.bas.bg, todor@math.bas.bg, krangochev@yahoo.com International Conference on Information Research and Applications – i.Tech 2011, Varna, Bulgaria, June, 2011

2. Preservation valuable archive funds in digital formats Flexibility to use various file format for same data Not depend on hardware – same archive can be stored on several servers, removable hard-disks or DVD mediums Software independence – ability to use different and modern software to manage same digital archive Instant access using Internet technology Simultaneous and easy access to digital objects for people with disabilities Fast search – in seconds with digital technologies, can get requested data

3. FolkKnow project: “Knowledge Technologies for Creation of Digital Presentation and Significant Repositories of Folklore Heritage” (contract number: IO-03-03/2006) Supported by National Science Fund of the Bulgarian Ministry of Education and Science Partners: Institute of Mathematics and Informatics - BAS, Institute for Folklore-BAS, Veliko Tarnovo University Module 2: “Development, Annotation and Protection of a Digital Archive “Bulgarian Folklore Heritage” Module 3: “Development of Digital Libraries and Information Portal with Virtual Exposition - Bulgarian Folklore Heritage”

5. Tree file structure – folders are structured according to file formats, signature numbers etc.; Matrix of signature file name - according to numbering in Folklore Institute funds; Description for digital archive with text fields for description of digital objects (name of the organization that has archive unit, signature number in the archive, place of recording, date of entry, recorder, theme of the study etc.)

7. Digital watermark is visible or preferably invisible to the identification code that is permanently embedded into digital data and maintained a presence in them after extracting it. Watermarking methods used: image watermarking in the spatial domain audio watermarking with amplitude modulation text watermarking using encoding by row offset

8. Content creation: add (annotate and semantic indexing), store, edit, preview, delete, group, and manage multimedia digital objects (images, text, sound, video) and collections; Metadata description, metadata management; Preview, browse, navigate digital objects, collections and their descriptions; Information retrieval and mining; Search, filtering, selection and group of objects; Protection and preservation of the digital content; Multilinguality; Administration and tracking services, etc.

9. Web address: http://folknow.cc.bas.bg/

11. Functional modules for: folklore object adding folklore object editing folklore object delete folklore object preview collection creation collection preview