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VL
2000
IEEE
13 years 9 months ago
Learning and Reuse of a Visual Programming Language
Five science teachers were observed during two selfstudy sessions where they learned to use Visual AgenTalk (VAT). In the first session they learned basic skills; in the second, t...
Mary Beth Rosson, Cheryl D. Seals
VL
2000
IEEE
120views Visual Languages» more  VL 2000»
13 years 9 months ago
Visualizing the Synchronization of Java-Threads with UML
Concurrent programming is a complex task, even with modern languages such as Java who provide languagebased support for multithreading and synchronization. In addition to typical ...
Katharina Mehner, Annika Wagner
VL
2000
IEEE
140views Visual Languages» more  VL 2000»
13 years 9 months ago
Tabular and Textual Methods for Selecting Objects from a Group
The accurate formulation of boolean expressions is a notorious problem in programming languages and database query tools. This paper studies the ways that untrained users naturall...
John F. Pane, Brad A. Myers
VL
2000
IEEE
130views Visual Languages» more  VL 2000»
13 years 9 months ago
SALSA and ALVIS: A Language and System for Constructing and Presenting Low Fidelity Algorithm Visualizations
Computer science educators have traditionally used algorithm visualization (AV) software to create graphical representations of algorithms that are later used as visual aids in le...
Christopher D. Hundhausen, Sarah A. Douglas