VL/HCC 2004: Rome, Italy

• Foreword.
  
• Conference Committee.
  

Keynote Speeches

• Paul Dourish:
  Software as an Embodied Phenomenon: Cognitive, Social and Cultural Aspects of Programs and Programming. 3-3
  
• Margaret-Anne D. Storey:
  Improving Flow in Software Development through Graphical Representations. 4-7
  

Paper Session 1: Visualization and Sketching

• Isabel F. Cruz, Yuan Feng Huang:
  A Layered Architecture for the Exploration of Heterogeneous Information Using Coordinated Views. 11-18
  
• Gennaro Costagliola, Vincenzo Deufemia, Giuseppe Polese, Michele Risi:
  A Parsing Technique for Sketch Recognition Systems. 19-26
  
• Yoshikazu Kato, Etsuya Shibayama, Shin Takahashi:
  Effect Lines for Specifying Animation Effects. 27-34
  
• Sean Cannella, Daniel J. Polivy, Michael Shin, Christian D. Straub, Roberto Tamassia:
  Secure Visualization of Authentication Information: A Case Study. 35-37
  
• Na Liu, John G. Hosking, John C. Grundy:
  Integrating a Zoomable User Interfaces Concept into a Visual Language Meta-Tool Environment. 38-40
  
• Giuseppe Cattaneo, Pompeo Faruolo, Umberto Ferraro Petrillo, Giuseppe F. Italiano:
  JIVE: Java Interactive Software Visualization Environment. 41-43
  

Paper Session 2: Design and Evaluation of End-User Programming Environments

• Alan F. Blackwell, Margaret M. Burnett, Simon L. Peyton Jones:
  Champagne Prototyping: A Research Technique for Early Evaluation of Complex End-User Programming Systems. 47-54
  
• Sallyann Bryant:
  Double Trouble: Mixing Qualitative and Quantitative Methods in the Study of eXtreme Programmers. 55-61
  
• Christopher D. Hundhausen, Joshua Wingstrom, Ravikiran Vatrapu:
  The Evolving User-Centered Design of the Algorithm Visualization Storyboarder. 62-64
  
• Maria Francesca Costabile, Daniela Fogli, Giuseppe Fresta, Piero Mussio, Antonio Piccinno:
  Virtual Workshops for Human-Centric Computing. 65-68
  
• George Chin Jr., Eric G. Stephan, Kyle R. Klicker, Abigail L. Corrigan, Heidi J. Sofia:
  Supporting Computational Visual Theories in Biology. 69-71
  

Paper Session 3: Visual Language Formalisms

• Guang-Lei Song, Kang Zhang, Jun Kong:
  Model Management Through Graph Transformation. 75-82
  
• Paolo Bottoni, Antonio Grau:
  A Suite of Metamodels as a Basis for a Classification of Visual Languages. 83-90
  
• Gem Stapleton, John Howse, John Taylor, Simon Thompson:
  The Expressiveness of Spider Diagrams Augmented with Constants. 91-98
  
• Jun Kong, Kang Zhang:
  Parsing Spatial Graph Grammars. 99-101
  
• Jun Kong, Kang Zhang:
  On a Spatial Graph Grammar Formalism. 102-104
  

Paper Session 4: End-User Programming: Gender, Debugging, and the Web

• Laura Beckwith, Margaret M. Burnett:
  Gender: An Important Factor in End-User Programming Environments?. 107-114
  
• Joseph R. Ruthruff, Amit Phalgune, Laura Beckwith, Margaret M. Burnett, Curtis R. Cook:
  Rewarding "Good" Behavior: End-User Debugging and Rewards. 115-122
  
• Mary Beth Rosson, Julie F. Ballin, Heather Nash:
  Everyday Programming: Challenges and Opportunities for Informal Web Development. 123-130
  
• Jeremy Jones:
  Vivio - A System for Creating Interactive Reversible E-Learning Animations for the WWW. 131-133
  
• Kevin McGee, Johan Nilsson:
  CrawLogo: Empowering End-Users to Program the Web. 134-136
  

Paper Session 5: Graph Layout and End-User Programming

• Omid Banyasad, Philip T. Cox:
  An Automatic Layout Algorithm for Lograph. 139-146
  
• Peter Rodgers, Paul Mutton, Jean Flower:
  Dynamic Euler Diagram Drawing. 147-156
  
• Shawn M. Best, Philip T. Cox:
  Programming an Autonomous Robot Controller by Demonstration Using Artificial Neural Networks. 157-159
  
• Marjaana Traskback:
  Toward a Usable Mixed Reality Authoring Tool. 160-162
  

Paper Session 6: Improving End-User Environments

• Robin Abraham, Martin Erwig:
  Header and Unit Inference for Spreadsheets Through Spatial Analyses. 165-172
  
• Michael Toomim, Andrew Begel, Susan L. Graham:
  Managing Duplicated Code with Linked Editing. 173-180
  
• Simon Gauvin, Trevor J. Smedley:
  Reduction of Cognitive Load Through the Addition of High-Level Semantics to ReactoGraph. 181-188
  
• Maria De Marsico, Susanna Fratarcangeli, Stefano Levialdi, Leonardo Lombardo:
  CoOL-Room: Collaboration Oriented Learning Room. 189-192
  
• Daniel Bauer, Pierre Fastrez, James D. Hollan:
  Computationally-Enriched 'Piles' for Managing Digital Photo Collections. 193-195
  

Paper Session 7: Empirical Studies of End-User Programming

• Andrew Jensen Ko, Brad A. Myers, Htet Htet Aung:
  Six Learning Barriers in End-User Programming Systems. 199-206
  
• Susan Wiedenbeck, Alec Engebretson:
  Comprehension Strategies of End-User Programmers in an Event-Driven Application. 207-214
  
• Jochen Rode, Mary Beth Rosson, Manuel A. Pérez-Quiñones:
  End-Users' Mental Models of Concepts Critical to Web Application Development. 215-222
  
• Pablo Romero, Benedict du Boulay:
  Structural Knowledge and Language Notational Properties in Program Comprehension. 223-225
  
• Christopher D. Hundhausen, Robert Patterson, Jonathan Lee Brown, Sean Farley:
  The Effects of Algorithm Visualizations with Storylines on Retention: An Experimental Study. 226-228
  
• Yael Kollet, Trevor J. Smedley:
  Message-Flow Programming in PdaGraph. 229-232
  

Paper Session 8: UML and Visual Modeling

• Harald Störrle:
  Semantics of Control-Flow in UML 2.0 Activities. 235-242
  
• Jennifer Swan, Maria Kutar, Trevor Barker, Carol Britton:
  User Preference and Performance with UML Interaction Diagrams. 243-250
  
• Jari Peltonen, Samuel Lahtinen, Kai Koskimies:
  A Specification Technique for Model Based Derivation of Speech Interfaces. 251-253
  
• Nianping Zhu, John C. Grundy, John G. Hosking:
  Pounamu: A Meta-Yool for Multi-View Visual Language Environment Construction. 254-256
  
• Augusto Celentano, Fabio Pittarello, Daniela Fogli, Piero Mussio:
  Model-Based Specification of Virtual Interaction Environments. 257-260
  
• Andrés Moreno, Niko Myller, Erkki Sutinen:
  JeCo, a Collaborative Learning Tool for Programming. 261-263
  

Graduate Student Consortium: Designing for Diversity in End-User Development Tools

• Robin Abraham:
  Identifying Structure in Spreadsheets. 267-268
  
• Sharnnia Artis:
  Effects of Age and Working Memory on Web-Based Computer Training. 269-270
  
• Andrew Begel:
  Spoken Language Support for Software Development. 271-272
  
• Richard C. Davis, James A. Landay:
  A Visual Language for Animating Sketches. 273-274
  
• Kayenda T. Johnson:
  An Interface Design Methodology: Scenario Based Design Extended for Diverse Computer User Groups. 275-276
  
• Andrew Jensen Ko:
  Designing a Flexible and Supportive Direct-Manipulation Programming Environment. 277-278
  
• Jun Kong:
  Browsing Web Through Audio. 279-280
  
• Hugo Liu, Henry Lieberman:
  Toward a Programmatic Semantics of Natural Language. 281-282
  
• Alessio Malizia:
  A Cognition-Based Approach for Querying Personal Digital Libraries. 283-284
  
• Christoph Neumann:
  End-User Programming of 3D Virtual Agents. 285-286
  
• Matthew Peters:
  Supporting Coursework in an Online Gaming Environment. 287-288
  
• Amit Phalgune:
  Testing and Debugging Web Applications: An End-User Perspective. 289-290
  
• Scott Michael Robertson:
  Developing a Tutor to Teach Social Skills to Students with Cognitive Disabilities. 291-293
  
• Timothy Sohn:
  Community-Oriented Programming through Instant Messaging. 294-295
  
• Ramesh Srinivasan:
  Creating Digital Places for Culture and Community. 296-298