The International Journal on Digital Libraries is a quarterly journal aimed at advancing the theory and practice of acquisition, definition, organization, management, and dissemination of digital information via global networking. It emphasizes issues in digital information production, management, and use; high-speed networks and connectivity; interoperability and seamless integration of information, people, profiles, tasks, and needs; security and privacy of individuals and business transactions; and effective business processes. Its scope includes: -Agent technology for information filtering, location and dissemination; targeted information delivery systems; personal information delivery and filtering, discovery of new information and sources of new information - Acquisition of digital information; authoring environments for digital objects; digitization of traditional content - Security and privacy, digital timestamping, digital signatures, digital watermarks, notarization and authentication systems - Information organization, storage and management, archival of information, subscription management and issues in recency of information - Interoperability of different digital objects, multimodal presentations, cross-platform interoperability - Information navigation, intelligent surfing and browsing, automatic browsing index creation, resource discovery through opinion indexing, search by content, semantic searching, smart indexing and search technology - User interfaces for digital objects, design of user interfaces for universal access, multimedia user interfaces, interfaces for handicapped users, adaptive user interfaces - Electronic commerce, virtual banking, electronic financial transactions - Economics of digital libraries, intellectual property issues, billing systems, universal access and tariffs .