Nabil R. Adam Bharat K. Bhargava Milton Halem Yelena Yesha (Eds.) Digital Libraries. Research and Technology Advances

Transcription

1 Nabil R. Adam Bharat K. Bhargava Milton Halem Yelena Yesha (Eds.) Digital Libraries Research and Technology Advances ADL'95 Forum McLean, Virginia, USA, May 15-17, 1995 Selected Papers Springer

2 Contents 1 Communicating NASA's Science to the Public by France Cordova Introduction 1 2 The Library of Congress's National Digital Library Program by James H. Billington Introduction 17 3 The Universal Library: Intelligent Agents and Information on Demand by Raj Reddy Introduction A Future Scenario Conventional vs. Digital Libraries The Economic Model The Content and Infrastructure Model The Home Information System Model The Operating System Model The Human Computer Interaction Model Conclusion 33 4 Building a Scalable America by Larry Smarr Introduction 35 I Visualization 5 Video as Scholarly Material in the Digital Library by Wayne Wolf, Bede Liu, Andrew Wolfe, MinervaYeung, Boon-Lock Yeo, and Daniel Markham Moving images as scholarly material Digital Video Libraries Methodologies and algorithms for digital video libraries Conclusions 53

3 viii CONTENTS 6 Digital Libraries for Electronic News by Michael A. Shepherd, C.R. Watters, and F.J. Burkowski Introduction Newspaper Databases Electronic News Features of an Electronic News System Electronic News as a Digital Library Attributes of News Items Integration of News Delivery and a Digital Library Summary 62 7 WebJournal: Visualization of a Web Journey by Bipin C. Desai and Stan Swiercz Introduction Journaling a Web Journey Layout and Semantics of WebJournal Semantics of Nodes " Semantics of Edges Handling Multiple Browser Windows Managing the WebJournal Real Estate Marking Nodes, Saving, Reloading find Printing Exploding a Node Marked Nodes and Printing WebJournal Internals, communications Conclusions Acknowledgment 80 II Document Handling and Information Retrieval 8 Uniform Structured Document Handling using a Constraintbased Object Approach by Anisoara Nica, Elke Angelika Rundensteiner Introduction Structured Document Management The Constraint-based Approach Overview Project Background The Constraint-Based Object Model Mapping SGML Model Groups into the Constraint Based Model Schema Merging Using the Constraint Model Related Work Conclusions 100

4 CONTENTS ix 9 Digital Software and Data Repositories for Support of Scientific Computing by Ronald Boisvert, Shirley Browne, Jack Dongarra, and Eric Grosse Introduction Characteristics of Some Existing Software Repositories Netlib The National HPCC Software Exchange (NHSE) GAMS Virtual Repository Indexing and Searching of Software Objects Data Models Software Classification Search Interfaces Retrieval of Software Objects Downloading Files Templates and Archetypes Remote Execution Ill 9.4;4 Change Notification Ill 9.5 Access to Scientific Data Integration with Document Digital Libraries Semantic Hypermedia Retrieval in Digital Libraries by Stephan Wiesener, Wolfgang Kowarschick, Pavel Vogel, and Rudolf Bayer Introduction The OMNIS Digital Library System OMNIS System Architecture Archiving and Retrieval OMNIS in Practice Towards Knowledge-based Navigation in Digital Libraries System Architecture Documents and Semantic Knowledge Bases Queries and Navigation Summary and Outlook Fuzzy Full-Text Searches in OCR Databases by Andreas Myka and Ulrich Giintzer Introduction Search mechanisms Exact match Canonical forms N-grams Linear scanning Experiments Environment 140

5 x CONTENTS Methodology Results Summary and outlook 145 III Network-Based Information and Resource Discovery 12 Data Discovery in Large Scale Heterogeneous and Autonomous Databases by Athman Bouguettaya and Stephen Milliner Background Motivation Related Work The FINDIT Database Discovery System The FINDIT Architecture Level The FINDIT Interaction/Negotiation Level The FINDIT Interoperability Level The FINDIT Exploration Level Implementation Overview Discussion and Future Directions An Intelligent Agent for the K-12 Educational Community by Mark E. Rorvig, Mark W. Hutchison, Robert O. Shelton, Stephanie L. Smith and Marwan E. Yazbeck Introduction The Agent Acknowledgements Appendix A - Example of Question and Answer Responses from November and April Interface Issues for Interactive Multimedia Documents by Robert B. Allen Introduction Multimedia Documents Multimedia Browsers Internal Representations Presentation Issues For Multimedia Documents Tables of Contents (TOCs) Linking Searching Supporting Partially Guided Tours Locking Concurrent Multimedia Streams TOC Interface Implementations Corpora Timeline-based Audio-Slideshow Browser 184

6 CONTENTS xi TOC-based View-graph and Audio Browser TOC-based Video Browser Visual TOC Browser Discussion Other Media, Other Structures, and Other Widgets Possible Social Impact of Multimedia Lectures Envoi Acknowledgements Searching and Discovery of Resources in Digital Libraries by Nahum Gershon, William Ruh, Joshua LeVasseur, Joel Winstead, and Adrienne Kleiboemer Introduction Browsing Through Hyperspace Without Being Lost Overcoming the Rigidity of the WWW- Building One Owns Information Hyperspace Finding New Information in Retrieved Documents- Aggregating Relevant Information Classification of Information and Metadata Extraction In Conclusion Acknowledgments 198 IV Design Issues and Prototyping 16 The Almaden Distributed Digital Library System by David M. Choy, Richard DievendorfF, Cynthia Dwork, Jeffrey B. Lotspiech, Robert J. T. Morris, Norman J. Pass, Laura C. Anderson, Alan E. Bell, Stephen K. Boyer, Thomas D. Griffin, Bruce A. Hoenig, James M. McCrossin, Alex M. Miller, Florian Pestoni and Deidra S. Picciano Introduction The Library Principals and their Needs The consumer The librarian The primary publisher The secondary publisher Architecture of the Almaden Distributed Digital Library System The Source Server The Customer Server The Client Security and Rights Management Summary and Future Work 218

7 xii CONTENTS 17 Alexandria Digital Library: Rapid Prototype and Metadata Schema by Christoph Fischer, James Frew, Mary Larsgaard, Terence R. Smith and Qi Zheng Introduction Goals, Strategy, and General Architecture of ADL The Strategy and General Architecture of ADL The Rapid Prototype System for the ADL Classes of Queries and the Functional Architecture of the RPS The Interfaces to the ADL Rapid Prototype The User Interface to the RPS The Catalog and Metadata for the ADL Rapid Prototype A Comparison of the USMARC and FGDC Metadata standards General Issues in Implementing USMARC and FGDC Standards Combining the FGDC and USMARC Standards in the RPS The Ingest and Storage Components of the Rapid Prototype Software and Hardware Components of the ADL Rapid Prototype Unique Features of the RPS, Lessons Learned, and Next Steps The Next Stage in constructing ADL Summary The ELINOR Electronic Library by Dian G. Zhao and A. Ramsden._ Introduction Using ELINOR The Database Browsing and Reading Documents Searching for Documents Printing Documents User Study The Systems Aspect of ELINOR The System Architecture Usage Statistics Collection Usage Statistics Management Usage Statistics Reporting Dienst: Building a Production Technical Report Server by James R. Davis, Carl Lagoze, and Dean B. Krafft Introduction Overview of Dienst Experience Gained Dienst and the World Wide Web Copyright Issues 262

8 CONTENTS xiii Document Submission and Management Providing Documents in Multiple Formats Ongoing Issues Interoperability Among Heterogeneous Search Engines Heterogeneous Servers and the Dynamic User Interface Reliability Document Structure Technology Transfer Future Plans Acknowledgements 270 Bibliography 273