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Creator:: Djang, Rebecca W. (Rebecca Walpole)
Abstract:: Declarative visual programming languages (VPLs), including spreadsheets, make up a large portion of both research and commercial VPLs. Spreadsheets in particular enjoy a wide audience, including end users. Unfortunately, spreadsheets and most other declarative VPLs still suffer from some of the problems that have been solved in other languages, such...
Resource Type:: Dissertation
Full Text:: Visual Programming Languages An Abstract Of The Dissertation Of Rebecca Djang for the degree of Doctor

Creator:: Hackenyos, David P.
Abstract:: The visual programming language Forms/3 currently uses a graphical user interface implemented in Garnet. Garnet was developed by the User Interface Software Group in the Human Computer Interaction Institute at Carnegie Mellon University, but is no longer supported. This paper presents an implementation of a user interface for Forms/3 written...
Resource Type:: Capstone Project
Full Text:: the Forms/3 group for their invaluable help. Special thanks to John Atwood, and Rebecca Walpole Djang

Creator:: Agrawal, Anurag
Abstract:: Exception handling is a programming language feature that can help increase the reliability of programs. However, not much work has been done on exception handling in visual programming languages. We present an approach for improving the exception handling mechanism in Forms/3, a declarative visual programming language based on the spreadsheet...
Resource Type:: Masters Thesis

Creator:: Gottfried, Herkimer John
Abstract:: Until now, attempts to extend the one-way constraint evaluation model of the spreadsheet paradigm to support complex objects, such as colored circles or user-defined types, have led to approaches featuring either a direct way of creating objects graphically or strong compatibility with the spreadsheet paradigm, but not both. This inability...
Resource Type:: Masters Thesis
Full Text:: ACKNOWLEDGMENT We would like to thank the members of our research group, in particular John Atwood, Rebecca

Creator:: Yang, Sherry, Burnett, Margaret M., DeKoven, Elyon, and Zloof, Moshé
Abstract:: A weakness of many interactive visual programming languages (VPLs) is their static representations. Lack of an adequate static representation places a heavy cognitive burden on a VPL's programmers, because they must remember potentially long dynamic sequences of screen displays in order to understand a previously-written program. However, although this problem...
Resource Type:: Technical Report

Creator:: Li, Lixin, 1966-
Abstract:: Visual programming languages employ visual representation to make programming easier and make programs more reliable and more accessible. Visual program testing becomes increasingly important as more and more visual programming languages and visual programming environments come into real use. In this work, we focus on one important class of visual...
Resource Type:: Masters Thesis
Full Text:: research group, particularly to Rebecca Walpole, John Atwood and Anurag Agrawal for helping me to

Creator:: Yang, Sherry
Abstract:: We believe concreteness, direct manipulation and responsiveness in a visual programming language increase its usefulness. However, these characteristics present a challenge in generalizing programs for reuse, especially when concrete examples are used as one way of achieving concreteness. In this thesis, we present a technique to solve this problem by...
Resource Type:: Dissertation
Full Text:: collaboration. A very special thank you to members of the Forms/3 research group - John Atwood, Rebecca

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