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Engineering Web Augmentation software: A development method for enabling end-user maintenance

INFORMATION AND SOFTWARE TECHNOLOGY 2022年第0期141卷 106735-106735页

作者： Firmenich, Diego Firmenich, Sergio Rossi, Gustavo Wimmer, Manuel Garrigos, Irene Gonzalez-Mora, Cesar Univ Nacl Patagonia San Juan Bosco Fac Ingn DIT Comodoro Rivadavia Argentina UNLP Fac Informat Lifia La Plata Buenos Aires Argentina Consejo Nacl Invest Cient & Tecn Buenos Aires DF Argentina Johannens Kepler Univ Linz CDL MINT Linz Austria Univ Alicante Alicante Spain

Nowadays, end-users are able to adapt Web applications when some of their requirements have not been taken into account by developers. One possible way to do adaptations is by using Web Augmentation techniques. Web Augmentation allows end-users to modify the Web sites' user interfaces once these are loaded on the clientside, i.e., in the browser. They achieve these adaptations by developing and/or installing Web browser plugins ("augmenters") that modify the user interface with new functionalities. This particular kind of software artifacts requires special attention regarding maintenance as-in most cases-they depend on third-party resources, such as HTML pages. When these resources are upgraded, unexpected results during the augmentation process may occur. Many communities have arisen around Web Augmentation, and today there are large repositories where developers share their augmenters;end-users may give feedback about existing augmentations and even ask for new ones. Maintenance is a key phase in the augmenters' life-cycle, and currently, this task falls (as usual) on the developers. In this paper, we present a participatory approach for allowing end-users without programming skills to participate in the augmenters' maintenance phase. In order to allow this, we also provide support for the development phase to bootstrap a first version of the augmenter and to reduce the load on developers in both phases, development and maintenance. We present an analysis of more than eight thousand augmenters, which helped us devise the approach. Finally, we present an experiment with 48 participants to validate our approach.

关键词： Web Augmentation end-user programming Web adaptation end-user driven maintenance

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Composing high-level stream processing pipelines

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JOURNAL OF BIG DATA 2020年第1期7卷 1-28页

作者： Mahapatra, Tanmaya Tech Univ Munich Inst Med Informat Stat & Epidemiol IMedIS Sch Med Ismaninger Str 22 D-81675 Munich Germany Tech Univ Munich Software & Syst Engn Res Grp Boltzmannstr 03 D-85748 Garching Germany

The growing number of Internet of Things (IoT) devices provide a massive pool of sensing data. However, turning data into actionable insights is not a trivial task, especially in the context of IoT, where application development itself is complex. The process entails working with heterogeneous devices via various communication protocols to co-ordinate and fetch datasets, followed by a series of data transformations. Graphical mashup tools, based on the principles of flow-based programming paradigm, operating at a higher-level of abstraction are in widespread use to support rapid prototyping of IoT applications. Nevertheless, the current state-of-the-art mashup tools suffer from several architectural limitations which prevent composing in-flow data analytics pipelines. In response to this, the paper contributes by (i) designing novel flow-based programming concepts based on the actor model to support data analytics pipelines in mashup tools, prototyping the ideas in a new mashup tool called aFlux and providing a detailed comparison with the existing state-of-the-art and (ii) enabling easy prototyping of streaming applications in mashup tools by abstracting the behavioural configurations of stream processing via graphical flows and validating the ease as well as the effectiveness of composing stream processing pipelines from an end-user perspective in a traffic simulation scenario.

关键词： Flow-based programming Graphical pipelines Mashup tools Graphical stream processing Stream analytics end-user programming Data Analytics as a Service (DAaaS) Data Analytics Applications (DAAs)

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From Brazil: A Forest of Computer Graphics and Interactive Techniques: SIGGRAPH 2021 Retrospective Panel

From Brazil: A Forest of Computer Graphics and Interactive T...

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2021 Special Interest Group on Computer Graphics and Interactive Techniques Conference, SIGGRAPH 2021

作者： Menezes, Caroline Ierusalimschy, Roberto Hisayasu, Louise Independent Curator Brazil PUC-Rio Brazil Tactical Tech Brazil

No abstract available.

ISBN: (纸本)9781450383707

No abstract available.

关键词： Algorithms Computer Art digital cultures end-user programming Scripting languages digital indigeneity Waldemar Cordeiro Brazil Indigenous futures Giorgio Moscati configuration

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Puncalc: task-based parallelism and speculative reevaluation in spreadsheets

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JOURNAL OF SUPERCOMPUTING 2020年第7期76卷 4977-4997页

作者： Bock, Alexander Asp Biermann, Florian IT Univ Copenhagen Rued Langgaards Vej 7 DK-2300 Copenhagen S Denmark

Spreadsheets are commonly declarative, first-order functional programs and are used as organizational tools, for end-user development and for educational purposes. Spreadsheet end users are usually domain experts who use spreadsheets as their main computational model, but are seldom trained IT professionals who can leverage today's abundant multicore processors for spreadsheet computation. In this paper, we present an algorithm for automatic, parallel evaluation of spreadsheets targeting shared-memory multicore architectures, which lets end users transparently make use of their multicore processors. We evaluate our algorithm on a set of synthetic and real-world spreadsheets and obtain up to 16 times speedup on 48 cores.

关键词： Spreadsheets Parallelism Tasks Speculative Declarative programming end-user programming

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Trace2TAP: Synthesizing Trigger-Action Programs from Traces of Behavior

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PROCEEDINGS OF THE ACM ON INTERACTIVE MOBILE WEARABLE AND UBIQUITOUS TECHNOLOGIES-IMWUT 2020年第3期4卷 1-26页

作者： Zhang, Lefan He, Weijia Morkved, Olivia Zhao, Valerie Littman, Michael L. Lu, Shan Ur, Blase Univ Chicago Chicago IL 60637 USA Brown Univ Providence RI 02912 USA

Two common approaches for automating IoT smart spaces are having users write rules using trigger-action programming (TAP) or training machine learning models based on observed actions. In this paper, we unite these approaches. We introduce and evaluate Trace2TAP, a novel method for automatically synthesizing TAP rules from traces (time-stamped logs of sensor readings and manual actuations of devices). We present a novel algorithm that uses symbolic reasoning and SAT-solving to synthesize TAP rules from traces. Compared to prior approaches, our algorithm synthesizes generalizable rules more comprehensively and fully handles nuances like out-of-order events. Trace2TAP also iteratively proposes modified TAP rules when users manually revert automations. We implemented our approach on Samsung SmartThings. Through formative deployments in ten offices, we developed a clustering/ranking system and visualization interface to intelligibly present the synthesized rules to users. We evaluated Trace2TAP through a field study in seven additional offices. Participants frequently selected rules ranked highly by our clustering/ranking system. Participants varied in their automation priorities, and they sometimes chose rules that would seem less desirable by traditional metrics like precision and recall. Trace2TAP supports these differing priorities by comprehensively synthesizing TAP rules and bringing humans into the loop during automation.

关键词： Trigger-action programming end-user programming smart environment symbolic reasoning IoT Internet of Things IFTTT

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Interactive Tuning of Robot Program Parameters via Expected Divergence Maximization 20

Interactive Tuning of Robot Program Parameters via Expected ...

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ACM/IEEE International Conference on Human-Robot Interaction (HRI)

作者： Racca, Mattia Kyrki, Ville Cakmak, Maya Aalto Univ Espoo Finland Univ Washington Seattle WA 98195 USA

ISBN: (纸本)9781450367462

Enabling diverse users to program robots for different applications is critical for robots to be widely adopted. Most of the new collaborative robot manipulators come with intuitive programming interfaces that allow novice users to compose robot programs and tune their parameters. However, parameters like motion speeds or exerted forces cannot be easily demonstrated and often require manual tuning, resulting in a tedious trial-and-error process. To address this problem, we formulate tuning of one-dimensional parameters as an Active Learning problem where the learner iteratively refines its estimate of the feasible range of parameter values, by selecting informative queries. By executing the parametrized actions, the learner gathers the user's feedback, in the form of directional answers ("higher," "lower," or "fine"), and integrates it in the estimate. We propose an Active Learning approach based on Expected Divergence Maximization for this setting and compare it against two baselines with synthetic data. We further compare the approaches on a real-robot dataset obtained from programs written with a simple Domain-Specific Language for a robot arm and manually tuned by expert users (N=8) to perform four manipulation tasks. We evaluate the effectiveness and usability of our interactive tuning approach against manual tuning with a user study where novice users (N=8) tuned parameters of a human-robot hand-over program.

关键词： Active Learning end-user programming Human-Robot Interaction

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end-user development of activity-supporting services for smart homes 18

End-user development of activity-supporting services for sma...

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IEEE International Conference on Pervasive Computing and Communications (PerCom)

作者： Belloum, Rafik Univ Bordeaux INRIA Bordeaux France

ISBN: (纸本)9781728147161

Independent living often requires assistive computing support to be tailored to the specific needs of each older adult. We propose a tool-based approach to allowing caregivers to define services for in-home daily living activities, leveraging their knowledge and expertise on the older adult they care for. This approach consists of two stages: 1) a wizard allows caregivers to define an assistive service, which supports aspects of a daily activity, specific to an older adult;2) the wizard-generated service is uploaded in an existing smart home platform and interpreted by a dedicated component, carrying out the caregiver-defined service.

关键词： Smart home Ambient assisted living Assistive computing end-user programming

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Collaborative or Simply Uncaged? Understanding Human-Cobot Interactions in Automation 20

Collaborative or Simply Uncaged? Understanding Human-Cobot I...

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CHI Conference on Human Factors in Computing Systems (CHI)

作者： Michaelis, Joseph E. Siebert-Evenstone, Amanda Shaffer, David Williamson Mutlu, Bilge Univ Illinois Chicago IL 60607 USA Univ Wisconsin Madison WI USA

ISBN: (纸本)9781450367080

Collaborative robots, or cobots, represent a breakthrough technology designed for high-level (e.g., collaborative) interactions between workers and robots with capabilities for flexible deployment in industries such as manufacturing. Understanding how workers and companies use and integrate cobots is important to inform the future design of cobot systems and educational technologies that facilitate effective worker-cobot interaction. Yet, little is known about typical training for collaboration and the application of cobots in manufacturing. To close this gap, we interviewed nine experts in manufacturing about their experience with cobots. Our thematic analysis revealed that, contrary to the envisioned use, experts described most cobot applications as only low-level (e.g., pressing start/stop buttons) interactions with little flexible deployment, and experts felt traditional robotics skills were needed for collaborative and flexible interaction with cobots. We conclude with design recommendations for improved future robots, including programming and interface designs, and educational technologies to support collaborative use.

关键词： Human-robot interaction (HRI) human-robot collaboration collaborative robots end-user programming educational technology technology adoption

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Spreadsheets as Notational Environment for Paper Weaving 20

Spreadsheets as Notational Environment for Paper Weaving

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4th International Conference on the Art Science and Engineering of programming

作者： Skjott, Jonathan Takram London England

ISBN: (纸本)9781450375078

This work explores how spreadsheets can serve as the foundation for the creation of a hybrid design medium for paper weaving. The case for using spreadsheets as a model for the development of environments for designing paper weaving patterns is made. Firstly, because both spreadsheets as well as the woven form of paper weaving designs have cells as their elementary substrate. Secondly, because it allows for exploration of the design space. And thirdly, as it enables use by end-users with varying levels of experience. An environment, VisiWeave, implementing the points mentioned is presented and explored.

关键词： spreadsheets weaving end-user programming

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Gridlets: Reusing Spreadsheet Grids

Gridlets: Reusing Spreadsheet Grids

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ACM CHI Conference on Human Factors in Computing Systems (CHI)

作者： Joharizadeh, Nima Sarkar, Advait Gordon, Andrew D. Williams, Jack Univ Calif Davis Davis CA 95616 USA Microsoft Research Redmond WA USA Univ Cambridge Cambridge England Univ Edinburgh Edinburgh Midlothian Scotland

ISBN: (纸本)9781450368193

Spreadsheets allow end users to blend calculations with arbitrary layout and formatting. However, when it comes to reusing groups of formulae along with layout and formatting, spreadsheets provide only limited support. Most users rely on copy and paste, which is easy to learn and use, but maintaining several copies can be tedious and error-prone. We present the concept of Gridlets, an abstraction over calculation and presentation applicable in common use case scenarios. Using the Cognitive Dimensions of Notations framework, we compare Gridlets to copy/paste and sheet-defined functions. We find that Gridlets are consistent with the spreadsheet paradigm, enable users to take advantage of secondary notation, and make common edit operations less viscous and less error-prone.

关键词： Spreadsheets Abstraction end-user programming

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