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Digital Library Architecture

Digital Library Architecture

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Digital Library Architecture

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  1. Digital Library Architecture Reagan Moore Chaitan Baru Amarnath Gupta George Kremenek Bertram Ludaescher Richard Marciano Arcot Rajasekar Wayne Schroeder Michael Wan Ilya Zaslavsky Bing Zhu (http://www.npaci.edu/DICE/)

  2. What Types of Management Systems are Required? • Data management • Ability to access multiple types of storage systems, across separate administration domains • Information management • Ability to migrate collection onto new information repository • Knowledge management • Rule-based ontology mapping • Characterization of rules under which collection is formed • Management of knowledge bases - Topic Maps

  3. Information Management Hierarchy • Persistent Archives • Storage of information model, data model, along with data • Data Grid • Access to data in a different administration domain • Digital Library - Presentation / Information Discovery • Interlib - ADEPT, UC Berkeley Digital Library • Data Collection • Extensible Meta-data catalog - EMCAT • Data handling • SDSC Storage Resource Broker - SRB • Archival Storage • High performance storage system - HPSS

  4. Digital Library Data Management • Persistent identifiers • Ability to move a data set without the name changing • Data set replicas • Management of multiple copies of a data set • Archival backup of data sets • Integration of disk data caches with archival storage • Persistent archives • Management of a collection through multiple cycles of technology evolution

  5. File SID DBLobj SID Obj SID SRB Unix DB2 Oracle ADSM HPSS SDSC Storage Resource Broker & Meta-data Catalog Application Resource Third-party copy User Remote Proxies MCAT Dublin Core DataCutter Application Meta-data

  6. Common Information Model • eXtensible Markup Language (XML) • Use tags to define semantic context for components of the data set • Document Type Definition (DTD) • Provides semi-structured representation for organizing tags that can be applied to groups of digital objects • Development of standards for tags • Digital sky, Protein Data Bank, Neuroscience brain images • California Digital Library - Art Museum Image Consortium

  7. Applications • Support for distributed data collections • Federation of data collections to form digital library • Integration of digital libraries with archives • Finding aids for federation of digital libraries through mediation of information • Data grids for data access • Persistent archives

  8. FTP FTP Electronic Records Archive (ERA) TRANSFER ACCESSION ARCHIVES REFERENCE Accessioning Work Bench (snapin) Reference Workbench (snapin) Retrieve Records Media Handlers Catalog METADATA REPOSITORY RECORDS REPOSITORY Internet Intranet Text Image Photo Video Audio Geographical Information System Compound Records WEB Database Arrangement A R C Query & Reference Tools TAPE TAPE CD U N W R A P P E R CD W R A P P E R DISK DISK record Presentation Metadata wrapper Order Fulfillment

  9. More Information http://www.npaci.edu/DICE