Research and Advanced Technology for Digital Libraries: 4th European Conference, ECDL 2000 Lisbon, Portugal, September 18–20, 2000 Proceedings

Cover
Lecture Notes in Computer Science
Springer
Research and Advanced Technology for Digital Libraries
Copyright Page
Preface
Organisation
	General chair
	Programme and local chair
	Workshops co-chairs
	Tutorials co-chairs
	Programme Committee
	Reviewers
	Local Organising Committee
Table of Contents
	Research Papers
		Optical Recognition
		Information Retrieval
		Metadata
		Frameworks
		Multimedia
		Users
		Papers Complementing Invited Talks
	Short-Papers
		Multimedia
		Users in Digital Libraries
		Information Retrieval
		Internet Cataloguing
		Technical Collections
		Case 1
		Case 2
		Case 3
	Special Workshop
Automatic Feature Extraction and Recognition for Digital Access of Books of the Renaissance
	Introduction
	Page Segmentation
	Separanting Text from Non-text
	Line Detection
	Word Detection
	Word Recognition
		Word Length Threshold
		Correlation between Words
		Character ŒShape Code (CSC)
		Ulam™s Distance (UD)
		Character Segmentation (CS)
		Results
	Conclusions
	Acknowledgements
	References
Content Based Indexing and Retrieval in a Digital Library of Arabic Scripts and Calligraphy
	1	Introduction
	2	Image Features Extraction
		2.1	Low Level Feature Detection
		2.2	Contours Extraction by Grouping Line or Curved Segments
	3	Free Text Indexing
	4	Visual Feedback
	5	Evaluation
	6	Conclusion
	References
Ancient Music Recovery for Digital Libraries
	Introduction
	Statement of the Problem
	Basic Process of OMR
	Image Pre-processing
		1. Segmentation of  Coloured Signs
		2. Segmentation of Music Scores
	Identification and Removal of Staff Lines
		1. Finding the Staff Lines
		2. Marking the Staff Lines
	Object Segmentation
		Identifying Bar Lines
	Experimental Results
	Conclusions and Future Work
	Acknowledgements
	References
Probabilistic Automaton Model for Fuzzy English-Text Retrieval
	Introduction
	Proposed Methods
		Probabilistic Automata Construction
		State Transition and Symbol Output Probabilities Estimation
		Generation of State Sequences
		Output Symbol Sequences
		Score of the Expanded Terms
	Experiments
		Outline
		Results
	Conclusions
	References
Associative and Spatial Relationships in Thesaurus-Based Retrieval
	1   Introduction
	2   OASIS Overview and Spatial Access Example
	3   Semantic Distance Measures
	4   RT Scenarios and Discussion
	5   Conclusions
	Acknowledgements
	References
Experiements on the Use of Feature Selection and Negative Evidence in Automated Text Categorization
	Introduction
	Issue in feature selection
	Issues in instance-based classifier induction
		Using negative evidence in inanstance-based classification
	Experimental Results
		Feature selection experiments
		Classifier induction experiments
	Conclusion and further research
	References
The Benefits of Displaying Additional Internal Document Information on Textual Database Search Result Lists
	1   Introduction
		1.1   Background
		1.2   Previous Research
		1.3   Problems in Finding Relevant Documents
	2   Techniques for Displaying Search Results
		2.1   List of Results Based on Information within the Document
			2.1.1   Significant Sentences
			2.1.2   Significant Words
			2.1.3   Information from HTML Tag
			2.1.4   Additional Information
		2.2  List of Results Based on Information External to the Document
			2.2.1   Classification of the Document
			2.2.2   Cited Documents
			2.2.3   Information from the Document™s Database
	3   Format of the Study
		3.1   Question of the Study
		3.2   Hypotheses of the Study
		3.3   Format of the Experiment
		3.4   Study Population
		3.5   Analysis of Results
		3.6   Methods of Displaying Information Which Were Studied
	4   Results
	5   Conclusions
		5.1   Direct Conclusions from the Assumptions of the Study
		5.2	General Conclusions
	6   Summary
	7   Suggestions for Additional Studies
	Acknowledgements
	References
Interactive-Time Similarity Search for Large Image Collections Using Parallel VA-Files
	Introduction
	Related Work
	Architecture for Parallel VA-Files
		Architecture and Coordination
		Data Placement
		Partitioning of Subqueries
	Performance Evaluation
		Optimal Memory Exploitation
		Partial vs. Full Replication of the Full Vector Data
		Heterogeneous Environments
	Conclusions
	References
Dublin Core Metadata for Electronic Journals
	Introduction
	Dublin Core Metadata
		Dublin Core in Practice
	An Electronic Journals Application
		Simple Element Mappings
	Journal Article Citation Metadata
		Journal Article Citation within MUP E-Journals
		DC-Citation Recommendation
	Author Name and Affiliation
	Other Issues
		Full Article Format and File Size
		Journal Article Type
		Language
	Conclusion
	References
An Event-Aware Model for Metadata Interoperability
	Metadata Modularity and Interoperability
	Event-Aware Metadata
	The ABC Logical Model for Metadata Interoperability
	Modeling Events Using the ABC Vocabulary
		Resources
		Events
		Inputs and Outputs
		Acts
		Agents
		Context
		EventRel ations
	Applying the Model to a Complex Object
	Nex t Steps
	Acknowledgements
	References
QUEST – Querying Specialized Collections on theWeb
	Introduction
	Unifying Search Concepts
	Selective Query Routing
		Method
		Experiments
	Metadata Description
	Architecture of QUEST
	Conclusions
	References
Personal Data in a Large Digital Library
Implementing a Reliable Digital Object Archive
	Introduction
	Components of an Archival Repository
		Archival Repository Properties
	Object Store
		Indexing Digital Objects
		Maintaining Index Consistency
		Performance Measurements
	Reliability Layer
		Constructing Snapshots of the Replication Set
		Detecting Object Corruption
		Performance Measurements
	The InfoMonitor
	Related Work
	Conclusions
	References
Policy-Carrying, Policy-Enforcing Digital Objects
	1   From Traditional Access Control to Flexible Policy Enforcement
	2   Research Context
	3   Policy-Carrying, Policy-Enforcing (PCPE) Digital Objects
		3.1   Behavior-Oriented Policies
		3.2   Specificity vs. Generalization
		3.3   Decentralized Policy Management
		3.4   Extensibility
		3.5   Portability and Mobile Computing
	4   Experiments: PCPE Digital Objects Using Fedora and PoET
		4.1   Technical Overview: Fedora
		4.2   Technical Overview: Policy Enforcement Toolkit (PoET)
		4.3   Integration of Fedora and PoET
		4.4   Experiment Results
	5   Discussion
		5.1   Future Work
		5.2   Related Work
	Acknowledgements:
	References:
INDIGO —An Approach to Infrastructures for Digital Libraries
	Introduction
	Document Processing in Digital Libraries
		Performing Orthogonal Operations
		Architectures of Digital Libraries
		Conclusion
	INDIGO --- A New Approach
		Document Methods
		Meta Documents
		Execution Server
		Overall Architecture
	INDIGO Prototype
		Examples
	Related Work
	Conclusion and Future Work
	Acknowledgements
	References
Scalable Digital Libraries Based on NCSTRL/Dienst
	Introduction
	NCSTRL and Its Limitations
	An Efficient Dienst Implementation
		Database Schema
		Search Server Architecture
			Full Results Caching.
			Full / Partial Results Caching.
			Full / Incomplete Partial Caching.
			Incomplete Partial Caching.
	Experimental Results
		Response Time
		Browsing Time
		Number of Hits
	Conclusions and Future Work
	References
OMNIS/2: A Multimedia Meta System for FLxisting Digital Libraries
	Motivation
	Current State and Demands
	Related Work
	Architectural Overview
		Design Principles
		Integration of External Systems
	Implementation
		Implementation Aspects of the Architecture
		Proof of Concept
		Meta Database Schema and Eciency
		The Personalization and Filtering Feature
	Further Activities
	Conclusion
	References
Modeling Archival Repositories for Digital Libraries
	Introduction
	Archival Problems and Solutions
		Sources of Failures
		Component Failure Avoidance Techniques
		System-Level Techniques
	Architecture of an Archival Repository
		Archival Documents
		Architecture of the Non-Fault-Tolerance Store
		Architecture of the Archival System
	Failure and Recovery Modeling
		Modeling a Non-Fault-Tolerance Store
		Modeling an Archival System
	ArchSim: A Simulation Tool for Archival Repositories
		Challenges in Simulating an Archival Repository
		The Simulation Engine: ArchSim
		ArchSim's Implementation
	Case Study: MIT/Stanford TR Repository
	Conclusions
	References
Implementation and Analysis of Several Keyframe-Based Browsing Interfaces to Digital Video
	Introduction
	The Físchlár System
	Dealing with a Large Amount of Temporal Data
		Layeredness
		The Provision of Temporal Orientation
		Spatial vs. Temporal Visualisation
		Using the 3-D Representation of Video Data to Specify Browsing Interfaces
	Dimension Space and Six Físchlár Video Browsers
		Layeredness and Físchlár Interfaces
		The Provision of Temporal Orientation and Físchlár Interfaces
		Spatial vs. Temporal Visualisation and Físchlár Interfaces
		The Six Físchlár Interfaces in Dimension Space
	Físchlár Video Browsing Interfaces and Characteristics
		Six Físchlár Browsing Interfaces
		Further Improvements and New UI Additions
	Conclusion
	Acknowledgements:
	References
Functional and Intentional Limitations of Interactivity on Content Indexing Topics: Possible Uses of Automatic Classification and Contents Extraction Systems, in Order to Create Digital Libraries Databases
	Introduction
	What Kind of Articulation for Video Sequences?
	The Automatic Picture Analysis
	Automatic Pictures Sequences Recognition
	Automatic Sound Recognition
	Automatic Texts Recognition
	Conclusion
	Bibliographical Note
	Bibliography
Interaction Profiling in Digital Libraries through Learning Tools
	Introduction
	Overview
	A Learning Component Based on WEKA
	The Learning Server: Interaction Profiling
		Assigning User Classes
		Experimental Results
	Conclusions and Future Work
	Acknowledgments.
	References
DEBORA: Developing an Interface to Support Collaboration in a Digital Library
	1   Introduction
	2   Collaboration in Digital Libraries
		2.1   Overview of Collaborative Work for Digital Libraries
			Annotations.
		2.2   Designing for New Ways of Working
	3   Work Practice and Design Implications
		3.1   Observations of the Use of Renaissance Documents
		3.2.   Current Collaborative Practices
		3.3   Metadata
		3.4   Design
	4   The DEBORA Client
		4.1   Client Interface
		4.2   Collaboration and Metadata
	5   Initial User Studies with the Client Interface
	6   Conclusions
	Acknowledgements
	References
Children as Design Partners and Testers for a Children's Digital Library
	Digital Library Technology and Children
	Participatory Design - Engaging Children as Design Partners
	Design Choices
		Provide Opportunity for Creation, Collaboration, and Engagement
		Provide Workspace and Equal Opportunity for Flexibility and Manipulation of Search Results
	Participatory Evaluation - Engaging Children as Testers
		Initial Evaluation of Three Interface Designs
		Ranking Design Features for Children's Digital Libraries
	Design Lessons, Conclusions and On-going Work
	Acknowledgements
	References
Evaluating a User-Model Based Personalisation Architecture for Digital News Services
	1   Introduction
	2   Analysis of Other Systems
	3   Modelling the Users
	4   Information Filtering
		4.1   Representing Information
		4.2   Integrating Text Classification Tasks
		4.3   Information Dissemination
	5   Evaluation
		User-Centred Evaluation
		Evaluation of Observed User Profiles
		5.3   System Evaluation
		5.4   Results Discussion
	6   Conclusions
	References
Aging Links
	Introduction
	Evolution in Cooperative Link Scenarios
	The Concept of Aging Links
		The Aging Process
		Computing Ages and Age Levels
		Classification of Evolution-Indicating Events
		Link Type Specific Evolution Dependencies
	EvEnAge An XML-Based Service for Link Aging
		The EvEnAge Service Architecture
		Link Ages: Management and Rendering
		EvEnAge Components
	Related Work
	Conclusions and Further Research
	Acknowledgments
	References
Core Elements of Digital Gazetteers: Placenames, Categories, and Footprints
	1   Introduction
	2   Current Status of Digital Gazetteers
	3   Alexandria Digital Library Gazetteer
	4   Nature of Placenames and Categories of Places
	5   Georeferencing Places
	6   Conclusions
	Acknowledgements
	References
The Application of an Event-Aware Metadata Model to an Online Oral History Archive
	1   Introduction
	2  The Harmony Event-aware Model for Metadata Interoperability
	3   A Metadata Model for an Online Oral History Archive
		3.1   Description of the Application
		3.2   Applying the Harmony ABC Model
		3.3   The Schema Representation
	4   The MEGGIE Application
		4.1 Inputting the Metadata
		4.2   Saving the Metadata
		4.3   Implementation of the Schema Mappings
	5   The Search and Browse Interface
	6   Comparisons, Conclusions, and Future Work
		6.1 Comparisons and Conclusions
		6.2   Future Work
			Acknowledgements.
		References
From the Visual Book to the WEB Book: The Importance of Good Design
	1   Introduction
	2   Visual Rhetoric
	3   The Visual Book Experiment
	4   Visual Book Findings and Analysis
	5   The WEB Book Experiment
	6   Design Issues for the WEB Book
	7   The WEB Book: Findings and Analysis
	8   Conclusions
	References
Topic Detection in Read Documents
	Introduction
	System Outline
	Topic Detection Experiments with BD_PÚBLICO
	Conclusions and Future Work
	Acknowledgements
	References
Map Segmentation by Colour Cube Genetic K-Mean Clustering
	1   Introduction
	2   Genetic Clustering in Image Segmentation
	3   K-Means Clustering Model
	4   Genetic Implementation
	5   Results, Conclusions, and Future Work
	References
Spoken Query Processing for Information Access in Digital Libraries
	Spoken Access to Digital Libraries
	Spoken Query Processing
	Eects of Word Recognition Errors in SQP
	Techniques for Improving SQP
	References
A Metadata Model for Historical Documentary Films
	1	The Metadata Model
	2	A Running Example
	3	Concluding Remarks
	References
Image Description and Retrieval Using MPEG-7 Shape Descriptors
	The Context
	The MPEG-7 Standard
	An Application for MPEG-7 Shape Description and Retrieval
	References
A Large Scale Component-Based Multi-media Digital Library System– Development Experience and User Evaluation –
	1   Introduction
	2   Software Components
	3   System Design and Fabrication
	4   User Evaluation
	5   Conclusions
	Acknowledgements
	References
Personalised Delivery of News Articles from Multiple Sources
	Introduction
	Existing News Delivery Systems
	Personalised News Delivery Systems
		Information Retrieval
		User Interface
		Evaluation
	Concluding Remarks and Further Enhancements
	References
Building a Digital Library of Web News
	Overview
	Architecture
	Results
	References
Automatically Detecting and Organizing Documents into Topic Hierarchies: A Neural Network Based Approach to Bookshelf Creation and Arrangement
	Introduction
	Creating Topic Hierarchies of Shelves
	Walking through a Newspaper Archive
	Conclusions
	References
Daffodil: Distributed Agents for User-Friendly Access of Digital Libraries
	Introduction
	Layered Architecture of Daffodil
	The User Interface
	Summary
	References
An Adaptive Systems Approach to the Implementation and Evaluation of Digital Library Recommendation Systems
	Evaluation of Recommendation Systems
		Precision and Recall for Traditional IR
		Evaluation of Recommendation Systems
		Validity and Reliability with Shared Knowledge Structures
	The Identification of User Communities
		User Log Clusters
	Conclusion
	References
Are End-Users Satisfied by Using Digital Libraries?
	1	Introduction
	2	Findings
		2.1 	Types of Libraries
		2.2	Definitions of DL from the Survey
		2.3	Digital Library Components
		2.4	Methods of Accessing Informatrion
		2.5	Advantages
		2.5	Disadvantages and Barriers
		2.6	Improving Education
	3	Impact of Electronic Copyright Laws
	4	Conclusion
CAP7: Searching and Browsing in Distributed Document Collections?
	Introduction
	Gathering and Summarizing
	IR/HT Engine
	Status and Outlook
	References
Representing Context-Dependent Information Using Multidimensional XML
	Motivation and Approach
	MXML Syntax and Semantics
	Discussion and Future Work
	References
AQUA (Advanced Query User Interface Architecture)
	Introduction to AQUA
	Rating Documents with AQUA
	Summary
	References
Fusion of Overlapped Result Sets
	Introduction
	Proposed Data Fusion Method
	Implementation and Experimental Results
	Discussion
	References
ActiveXML: Compound Documents for Integration of Heterogeneous Data Sources
	Introduction
	ActiveXML
	Online Web News Personalization with ActiveXML
	Conclusions and Future Work
	References
newsWORKS©, the Complete Solution for Digital Press Clippings and Press Reviews: Capture of Information in an Intelligent Way
	1 Introduction
	2 Main Concepts and Features
		Recognition of Selected Articles.
		Production of the Clipping
		Primary and Bibliographic Indexing (Metadata)
		Full-Text Recognition
		Creation of Press Reviews
	3 Conclusion
Effects of Cognitive and Problem Solving Style on Internet Search Tool
	1   Introduction
	2   Definition of Terms
		2.1   Internet Search Tools Differences
		2.2   Individual Differences
		2.3 Usability
	3   Related Studies
	4   Conclusion
	References
Follow the Fox to Renardus: An Academic Subject Gateway Service for Europe
	Overview
	Surveys of User Requirements and Use Case Scenarios
	3	Evaluation of Broker Models in Related Projects
	4	Service Scope, Data Model, and Technical Standards
	5	Further Information and Opportunities for Participation
	6	Conclusions
	References
CORC: Helping Libraries Take a Leading Role in the Digital Age
	Toolset for Selecting, Describing, and Maintaining Electronic Resources
	Database
	Tool for Building Pathfinders
	Technology, Cooperation, and Librarianship
	How Librarians are Using CORC
	CORC and the Digital Age
Automatic Web Rating: Filtering Obscene Content on the Web
	1   Introduction
	2   Filtering Techniques
	3   Corpus and Experimental Results
	4   Conclusions
	References
The Bibliographic Management of Web Documents in Digital and Hybrid Libraries
	Introduction
		Digital and Hybrid Libraries
		1.2 	The Web as Library
	Web Management
		Author-Based Management
		Cataloger-Based Management
	Change and Demise
		Web Document Change
		Web Page Demise
	Conclusions
	References
The Economic Impact of an Electronic Journal Collection on an Academic Library
	1   Introduction
	2   Development Stage
		2.1   Wireless Technology Provides Access Anywhere
		2.2   Development of Drexel's Electronic Journal Collection
	3   Impact on Library Staffing and Other Costs
	References
A Comparative Transaction Log Analysis of Two Computing Collections
	Introduction
	Data collection
	Query complexity
	User sessions
	User acceptance of default settings
	Conclusions
	Acknowledgements
	References
ERAM - Digitisation of Classical Mathematical Publications
	Synopsis
	Introduction
	Structure and Enhancements of the JFM-Database
	The Digital Archive
The Electronic Library in EMIS - European Mathematical Information Service
	1   Preliminaries
	2   The Electronic Library
	3   The Links to the Databases
	4   Future Developments
Model for an Electronic Access to the Algerian Scientific Literature: Short Description
	References
A Digital Library of Native American Images
	1  Introduction
	2  Digital Library Requirements, Models, Systems, and Frameworks
	3  Electronic Publishing and Economic Issues
	4  Networking and Distributing Issues
	5  Social Implications and Issues
	6  Technical Information
	7  Conclusion
China Digital Library Initiative and Development
	1  Introduction
	2  Overview of Current Research and Development on the Digital  Library in China
	3  Preparation and Construction of the Digital Library Resource Databases
		3.1  Macro-Planning
		3.2  Implementation
	4  Problems Needed to be Solved
		4.1  Understanding of the Characteristics of Digital Library Project
		4.2  Government Funding
		4.3  Utilization of Mature Technology
		4.4  Markup of Object Data
		4.5  Cooperation of Information Collection and Storage Centers
		4.6  Virtuous Circle of the Fund
		4.7  Standardization
		4.8  Legal Issues
	5  Conclusion
	References
Appropriation of Legal Information: Evaluation of Data Bases for Researchers
	1  Introduction
	2  Our Experimentation
	3  Recommendations
		3.1  Content of the Data Bases
		3.2  Functionalities
		3.3  Recovery and Exploitation of the Results
		3.4  Workstation
	4  Conclusion
	References
Publishing 30 Years of the Legislation of Brazil´s São Paulo State in CD-ROM and Internet
Electronic Dissemination of Statistical Information at Local Level: A Cooperative Project between a University Library and Other Public Institutions
	Background
	The Project: Objectives, Method, and Activities
	Specific Objectives and Services of the Library
	Comments
Building Archaeological Photograph Library
	1  Introduction
	2  Archaeological Photograph Library Project
		2.1  Target
		2.2  System Design
	3  Designing Metadata of the Archaeological Photograph Library
	4  Database and Browsing
	Conclusion
	References
EULER – A DC-Based Integrated Access to Library Catalogues and Other Mathematics Information in the Web
	1  Synopsis
	2  Objectives and Structure of the EULER-Project
	3  The EULER Partners
	4  Current Achievements of the EULER-Project
Decomate: Unified Access to Globally Distributed Libraries
	Introduction
	The Mediator Architecture of Decomate
		The Broker
		The Multi-protocol Server (MPS)
		The Result Optimiser (RO)
	Personalised Services
		Current Awareness
		Document Requester
	Authentication and Authorisation
	The Concept Browser
	References
MADILIS, the Microsoft Access-Based Digital Library System
	Introduction
	Digital Library Criteria
	Design Considerations
		Low Cost
		Scalability
		Technical Simplicity
Leveraging Electronic Content: Electronic Linking Initiatives at Arizona State University
	Background
	2	The Problem
	3	SilverLinker at ASU Libraries
	4	ISILINKS
	5	What We Have Learned and Other Observations
		Leveraging
		Eliminating Intermediate User Steps
		Maximizing the Web Model
		Problems with Standards
		Authentication
		Performance Problems
		Lost in Cyberspace?
Asian Film Connection: Developing a Scholarly Multilingual Digital Library – A Case Study
	Background
	Plan for a Digital Library
	Collaboration with the Center for Software Engineering
	Promotional Website and Prototype Phase
	Funding
	Social Aspects
	Conclusions
	Useful URLs
Conceptual Model of Children’s Electronic Textbook
	1  Introduction
	2  E-Book Models
		2.1 Children™s E-Book Conceptual Model
			2.1.1 Structural Components
			2.1.2 Content Presentation Components
	3  Conclusion
	References
An Information Food Chain for Advanced Applications on the WWW
	Introduction
	The Information Food Chain
	Related Work and Conclusion
An Architecture for a Multi Criteria Exploration of a Documents Set
	Introduction
	Architecture
	Application on an Environmental Document Set
	Conclusion and Perspectives
	References
An Open Digital Library Ordering System
	Introduction
	Description of the Ordering System
		Customer Search and Selection
		Ordering
		Statistics
	Advantages - Future Extensions
Special NKOS Workshop on Networked Knowledge Organization Systems
	Objectives
	Workshop Content and Structure
	Overview
	Workshop Topics
		Digital Library Requirements for Knowledge Organization Schemas:
		Digital Library Requirements for Knowledge Based Data Processing:
		Digital Library Requirements for Knowledge Structuring and Management:
		Digital Library Requirements for Access to Knowledge Structures:
	Communities Involved:
	Expected Participants
Implementing Electronic Journals in the Library and Making them Available to the End-User: An Integrated Approach
	1   The Context: Strategies for Implementing Electronic Journals
	2   A Strategy to Implement Electronic Journals
	3   Viewing Electronic Journals
	References
Author Index
978-3-540-45268-3_13_OnlinePDF.pdf
	Implementing a Reliable Digital Object Archive
		Introduction
		Components of an Archival Repository
			Archival Repository Properties
		Object Store
			Indexing Digital Objects
			Maintaining Index Consistency
			Performance Measurements
		Reliability Layer
			Constructing Snapshots of the Replication Set
			Detecting Object Corruption
			Performance Measurements
		The InfoMonitor
		Related Work
		Conclusions
		References
978-3-540-45268-3_18_OnlinePDF.pdf
	Modeling Archival Repositories for Digital Libraries
		Introduction
		Archival Problems and Solutions
			Sources of Failures
			Component Failure Avoidance Techniques
			System-Level Techniques
		Architecture of an Archival Repository
			Archival Documents
			Architecture of the Non-Fault-Tolerance Store
			Architecture of the Archival System
		Failure and Recovery Modeling
			Modeling a Non-Fault-Tolerance Store
			Modeling an Archival System
		ArchSim: A Simulation Tool for Archival Repositories
			Challenges in Simulating an Archival Repository
			The Simulation Engine: ArchSim
			ArchSim's Implementation
		Case Study: MIT/Stanford TR Repository
		Conclusions
		References