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Using traits of web macro scripts to predict reuse

JOURNAL OF VISUAL LANGUAGES AND COMPUTING 2010年第5期21卷 277-291页

作者： Scaffidi, Chris Bogart, Chris Burnett, Margaret Cypher, Allen Myers, Brad Shaw, Mary Oregon State Univ Kelley Engn Ctr 1148 Sch Elect Engn & Comp Sci Corvallis OR 97331 USA IBM Res Almaden San Jose CA USA Carnegie Mellon Univ Pittsburgh PA 15213 USA

To help people find a code that they might want to reuse, repositories of end-user code typically sort scripts by number of downloads, ratings, or other information based on prior uses of the code. However, this information is unavailable when the code is new or when it has not yet been reused. Addressing this problem requires identifying reusable code based solely on information that exists when a script is created. To provide such a model for web macro scripts, we identified script traits that might plausibly predict reuse, then used IBM CoScripter repository logs to statistically test how well each corresponded to actual reuse. These tests confirmed that the traits generally did correspond to higher levels of reuse as anticipated. We then developed a machine learning model that uses these traits as features to predict reuse of macros. Evaluating this model on repository logs showed that its accuracy is comparable to that of existing machine learning models for predicting reuse-but with a much simpler structure. Sensitivity analysis revealed that our model is quite robust;its quality is greatly reduced only when parameters are set to such extreme values that the model becomes inordinately selective. Testing the model with individual traits revealed those that provided the best predictions on their own. Based on these results, we outline opportunities for using our model to improve repositories of end-user code. (C) 2010 Elsevier Ltd. All rights reserved.

关键词： end-user programming end-user software engineering Repositories Reuse Web macros

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Sharing, finding and reusing end-user code for reformatting and validating data

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JOURNAL OF VISUAL LANGUAGES AND COMPUTING 2010年第4期21卷 230-245页

作者： Scaffidi, Christopher Oregon State Univ Sch Elect Engn & Comp Sci Corvallis OR 97331 USA

To help users with automatically reformatting and validating spreadsheets and other datasets, prior work introduced a user-extensible data model called "topes" and a supporting visual programming language. However, no support has existed to date for users to exchange and reuse topes. This functional gap results in wasteful duplication of work as users implement topes that other people have already created. In this paper, a design for a new repository system is presented that supports sharing and finding of topes for reuse. This repository tightly integrates traditional keyword-based search with two additional search methods whose usefulness in repositories of end-user code has gone unexplored to date. The first method is "search-by-match", where a user specifies examples of data, and the repository retrieves topes that can reformat and validate that data. The second method is collaborative filtering, which has played a vital role in repositories of non-code artifacts The repository's search functionality was empirically tested on a prototype repository implementation by simulating queries generated from real user spreadsheets. This experiment reveals that search-by-match and collaborative filtering greatly improve the accuracy of search over the traditional keyword-based approach, to a recall as high as 95%. These results show that search-by-match and collaborative filtering are useful approaches for helping users to publish, find, and reuse visual programs similar to topes. (C) 2010 Elsevier Ltd. All rights reserved.

关键词： end-user programming end-user software engineering Data Reuse Spreadsheets

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A Cross-Platform Software System to Create and Deploy Mobile Mashups

A Cross-Platform Software System to Create and Deploy Mobile...

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10th International Conference on Web Engineering

作者： Kaltofen, Sandra Milrad, Marcelo Kurti, Arianit Linnaeus Univ Sch Comp Sci Phys & Math Ctr Learning & Knowledge Technol CeLeKT Vaxjo Sweden

ISBN: (纸本)9783642139109

Changes in usage patterns of mobile services are continuously influenced by the enhanced features of mobile devices and software applications. Current cross-platform frameworks that allow the implementation of advanced mobile applications have triggered recent developments in relation to end-user mobile services and mobile mashups creation. Inspired by these latest developments, this paper presents our current development related to a cross-platform software system that enables the creation of mobile mashups within an end-user programming environment.

关键词： end-user programming Mobile Mashup Cross-platform development

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Using Virtual Humans to Bootstrap the Creation of Other Virtual Humans

Using Virtual Humans to Bootstrap the Creation of Other Virt...

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10th International Conference on Intelligent Virtual Agents (IVA)

作者： Rossen, Brent Cendan, Juan Lok, Benjamin Univ Florida Comp Informat Sci Engn Gainesville FL 32611 USA Univ Florida Dept Surg Gainesville FL 32611 USA

ISBN: (纸本)9783642158919

Virtual human (VH) experiences are increasingly used for training interpersonal skills such as military leadership, classroom education, and doctor-patient interviews. These diverse applications of conversational VHs have a common and unexplored thread - a significant additional population would be afforded interpersonal skills training if VHs were available to simulate either interaction partner. We propose a computer-assisted approach to generate a virtual medical student from hundreds of interactions between a virtual patient and real medical students. This virtual medical student is then used to train standardized patients - human actors who roleplay the part of patients in practice doctor-patient encounters. Practice with a virtual medical student is expected to lead to greater standardization of roleplay encounters, and more accurate evaluation of medical student competency. We discuss the method for generating VHs from an existing corpus of human-VH interactions and present observations from a pilot experiment to determine the utility of the virtual medical student for training.

关键词： Virtual Humans Agents and Intelligent Systems Authoring Tools Virtual Patients user Interfaces end-user programming

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Using Ensembles of Decision Trees to Automate Repetitive Tasks in Web Applications

Using Ensembles of Decision Trees to Automate Repetitive Tas...

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2nd ACM SIGCHI Symposium on Engineering Interactive Computing Systems

作者： Bray, Zachary Kristensson, Per Ola Univ Cambridge Comp Lab Cambridge CB3 0FD England

ISBN: (纸本)9781450300834

Web applications such as web-based email, spreadsheets and form filling applications have become ubiquitous. However, many of the tasks that users try to accomplish with such web applications are highly repetitive. In this paper we present the design of a system we have developed that learns and thereafter automates users' repetitive tasks in web applications. Our system infers users' intentions using an ensemble of decision trees. This enables it to handle branching, generalization and recurrent changes of relative and absolute positions. Our evaluation shows that our system converges to the correct solution after 3-8 iterations when the pattern is noise-free, and after 3-14 iterations for a noise level between 5-35%.

关键词： end-user programming programming by example

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Collaboration and end-user information management tools

Collaboration and end-user information management tools

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16th Americas Conference on Information Systems (AMCIS)

作者： Gregory, Mark ESC Rennes Sch Business Dept Finance & Operat F-35065 Rennes France

ISBN: (纸本)9781617389528

Knowledge and information workers work as individuals within virtual team structures. Those teams may be small, or they may in fact form part of larger groups which continue to share similar objectives. Knowledge workers therefore acquire and manage personal and group information which they may choose to manage themselves using Personal and small-Group Information Management tools and techniques (PIM, GIM). This paper summarises some earlier research into PIM and GIM before addressing its objectives, which are to: center dot Consider the use of PIM / GIM techniques as the basis for collaboration within those virtual teams center dot Discuss collaboration and community involvement in the actual development of PIM/GIM tools center dot Identify the need for formalisms and abstraction skills in effective personal information management.

关键词： Personal information management (PIM) Group information management (GIM) situational application builders end-user programming abstraction community development

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Design planning in end-user web development: Gender, feature exploration and feelings of success

Design planning in end-user web development: Gender, feature...

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2010 IEEE Symposium on Visual Languages and Human-Centric Computing, VL/HCC 2010

作者： Rosson, Mary Beth Sinha, Hansa Edor, Tisha Pennsylvania State University United States

ISBN: (纸本)9780769542065

We report an empirical study of nonprogrammers who built a database-centered web application using an end-user web development tool. Half of the users spent time planning their project by creating a concept map before starting the programming;across planning conditions, half of the users were males and half female. Participants who did concept mapping or who were male were more attracted to database programming;however planning did not affect feelings of success and in general females felt more successful than males. We discuss the implications of these findings for work on gender and for future EUP tools and training. © 2010 IEEE.

关键词： end-user programming Gender HCI computer aided software engineering concept map database programming database-centered Web application design planning end-user Web development tool gender nonprogrammer software tools web development

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An end-user programming paradigm for pervasive computing applications

An end-user programming paradigm for pervasive computing app...

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3rd IEEE International Conference on Pervasive Services (ICPS 2006)

作者： Chin, Jeannette S. Callaghan, Vic Clarke, Graham Intelligent Inhabited Environm Grp Colchester Essex England

ISBN: (纸本)1424402379

In this paper we present a variant of end-user programming called PiP (Pervasive interactive programming) which offers non-technical end-users the possibility to configure and customize sets of coordinating pervasive devises without the need to employ conventional programming methods. In this approach end-users "show" the system their required behaviour via natural physical interaction with the environment. The paper also describes the architectural components and presents a user evaluation.

关键词： pervasive computing end-user programming programming-by-example disaggregation digital homes

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A pragmatic perspective on software visualization 10

A pragmatic perspective on software visualization

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Proceedings of the 5th international symposium on Software visualization

作者： Arie van Deursen Delft University of Technology Delft Netherlands

ISBN: (纸本)9781450300285

For software visualization researchers taking the pragmatic philosophical stance, the ultimate measure of success is adoption in industry. For you as researcher, what can be more satisfying than enthusiastic developers being able to work better and more efficiently thanks to your beautiful visualization of their software?One of the aims of this talk is to reflect on factors affecting impact in practice of software visualization research. How does rigorous empirical evaluation matter? What is the role of foundational research that does not subscribe to the philosophy of pragmatism? Can we make meaningful predictions of adoption in practice if this takes 10 years or more?During the talk, I will illustrate the dilemmas, opportunities, and frustrations involved in trying to achieve practical impact with examples drawn from my own research in such areas as software architecture analysis, documentation generation, and Web 2.0 user interface reverse engineering.I will also shed light on some of my most recent research activities, which includes work in the area of spreadsheet comprehension. This is research that we conduct with a major (Dutch) financial asset management firm. Our work consists of the identification of information needs for professional spreadsheet users, a visualization to address these needs, and an evaluation of this visualization with practitioners conducting real-life spreadsheet *** the talk, I will encourage the audience to engage in the discussion, and contribute their own perspectives on the issues that I raise in my talk.

关键词： visualization adoption end-user programming

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Web Pontoon: a method for reflective web applications 10

Web Pontoon: a method for reflective web applications

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International Workshop on Smalltalk Technologies

作者： Reza Razavi AAS (Ambient Activity Systems) SARL Foetz - Luxembourg

ISBN: (纸本)9781450304979

Network-based provisioning of custom-made and adaptive services offers unlimited opportunities for service development. Examples include ICT-based information, assistance, coordination, and remote monitoring services for senior citizens. Addressing diversity and unpredictable changeability requirements of such service platforms entails novel design solutions. I present Web Pontoon, a method tailored specifically for handling these requirements by a combination of web content management, client-side end-user programming, closed-loop management of object lifecycles, and domain-driven design. Opportunities for massive deployment of relevant applications are being studied.

关键词： pier CMS user-generated service content management system end-user programming seaside smalltalk business application development dart application wiki object-oriented programming client side web application programming meta-data adaptive object-model domain-driven design

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