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Towards Adaptive Height-Aware Public Interactive Displays 面向自适应高度感知公共互动显示
Callum Parker, Joel Fredericks, M. Tomitsch, Soojeong Yoo
Public interactive displays (PIDs) are becoming more pervasive in urban environments as a means to engage passers-by and to provide interactive features such as wayfinding. However, one of the problems with current PIDs is that they are typically designed around an average specification, potentially excluding a large range of users that for instance might not be able to reach interactive elements. To address this challenge, we propose a number of design concepts for adjusting PIDs to users of different heights. We present a preliminary evaluation of our concepts through a cognitive walk-through study with 10 design experts using a custom-developed experience prototype featuring four height-aware modes. Based on qualitative feedback and observations we discuss design suggestions for future work.
公共互动显示器(pid)在城市环境中变得越来越普遍,作为一种吸引路人和提供寻路等互动功能的手段。然而,当前pid的一个问题是,它们通常是围绕一个平均规范设计的,可能会排除大量用户,例如,这些用户可能无法访问交互元素。为了应对这一挑战,我们提出了一些设计概念来调整pid以适应不同高度的用户。我们通过与10位设计专家的认知演练研究,使用具有四种高度感知模式的定制开发体验原型,对我们的概念进行了初步评估。基于定性反馈和观察,我们讨论了未来工作的设计建议。
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引用次数: 14
Adjunct Publication of the 25th Conference on User Modeling, Adaptation and Personalization 辅助出版第25届用户建模、适应和个性化会议
M. Tkalcic, D. Thakker, Panagiotis Germanakos, K. Yacef, Cécile Paris, O. Santos, M. Bieliková, E. Herder, F. Cena, M. Desmarais
Submissions were assigned to 1 TC member and received at least 3 reviews. After the initial reviews were submitted, the designated TC facilitated discussion amongst reviewers in order to resolve differences and correct misunderstandings. The TC then provided a recommendation to the Program Chairs. The final decisions were based on these recommendations, the meta-reviews, and reviewer scores. A total of 131 submissions were reviewed. Out of 80 regular paper submissions, 29 were accepted (36% acceptance rate); out of 51 short paper submissions, 11 were accepted (22% acceptance rate). This year, we did not invite regular papers to be published as short papers, but instead invited them to either be included in the main proceedings as extended abstracts, or be published in the adjunct proceedings Late Breaking Results track (LBR). Six of them were published in the LBR track, and a total of 27 extended abstracts are published in the main proceedings. The program also features 3 demos, 3 theory, opinion and reflection papers and 14 late breaking results papers presented in UMAP poster session, which collectively showcase the wide spectrum of novel ideas and latest results in user modeling, adaptation and personalization. We also invited three distinguished keynote speakers, each illustrating significant issues and prospective directions for the field. Pearl Pu, School of Computer and Communication Sciences at EPFL, describes in her talk the various challenges related to understanding, detecting, and visualizing emotions in large text datasets. Jennifer Golbeck, University of Maryland, focuses on how to consider issues of privacy and consent when users cannot explicitly state their preferences, The Creepy Factor, and how to balance users concerns with the benefits personalized technology can offer. Paul De Bra, Eindhoven University of Technology, discusses in his talk "After twenty-five years of user modeling and adaptation what makes us UMAP?" how the field evolved, insights into where the field is headed, and the hottest topics for exploration. The conference includes a doctoral consortium that provides an opportunity for doctoral students to explore and develop their research interests under the guidance of distinguished scholars. This track received 15 submissions, of which seven were accepted as full papers and six as posters. A set of 8 workshops rounded off the program: EdRecSys: Educational Recommender Systems organized by Kurt Driessens (University of Maastricht, The Netherlands), Irena Koprinska (University of Sydney, Australia), Olga C. Santos (Spanish National University for Distance Education, Spain), Evgueni Smirnov (University of Maastricht, The Netherlands), Kalina Yacef (University of Sydney, Australia), Osmar Zaiane (University of Alberta, Canada) EvalUMAP: Towards Comparative Evaluation in User Modeling, Adaptation and Personalization organized by Owen Conlan, Liadh Kelly, Kevin Koidl, Seamus Lawless, Athanasi
Boticario(西班牙联合国环境保护署)、Maria Bielikova(斯洛伐克FIIT STUBA)、Tomas Horvath(匈牙利布达佩斯Eotvos Lorand大学)PATCH:由Liliana Ardissono(意大利都灵大学)、Cristina Gena(意大利都灵大学)、Tsvi Kuflik(以色列海法大学)组织的文化遗产个性化访问由Peter Knees(奥地利林茨约翰内斯开普勒大学)、Kristina Andersen(荷兰阿姆斯特丹电子器乐工作室)、Alan Said(瑞典哥德堡Recorded Future)和Marko Tkalcic(意大利博岑-博尔扎诺自由大学)组织的自适应和个性化系统中的惊喜、反对和阻碍。由Cataldo Musto(意大利巴里阿尔多莫罗大学)、Amon Rapp(意大利都灵大学)、Federica Cena(意大利都灵大学)、Frank Hopfgartner(格拉斯哥大学)、Judy Kay(澳大利亚悉尼大学)、Giovanni Semeraro(意大利巴里阿尔多莫罗大学)Veronika Bogina(以色列海法大学)、David Konopnicki(以色列海法IBM研究院)、Tsvi Kuflik(以色列海法大学)组织的时间和整体用户建模。Bamshad Mobasher(德保罗大学,芝加哥,美国)50 Shades of Personalization,由Elke Mattheiss(奥地利理工学院)、Marc Busch(奥地利理工学院)、Rita Orji(加拿大滑铁卢大学)、Gustavo F. Tondello(加拿大滑铁卢大学)、Andrzej Marczewski(英国Motivait)、Wolfgang Hochleitner(上奥地利应用科学大学)、Michael Lankes(上奥地利应用科学大学)、Manfred Tscheligi(奥地利萨尔茨堡大学)。最后,UMAP举办了两个教程:社交媒体分析、用户建模和推荐系统的语义感知技术(半天),由Pasquale Lops和Cataldo Musto(意大利巴里奥尔多莫罗大学)主持。设计跨空间学习分析和个性化支持(半天),由Roberto Martinez-Maldonado(澳大利亚悉尼科技大学)、Abelardo Pardo(澳大利亚悉尼大学)和Davinia Hernandez-Leo(西班牙Pompeu Fabra大学)主持。
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引用次数: 39
Education-specific Tag Recommendation in CQA Systems CQA系统中特定教育的标签推荐
P. Babinec, Ivan Srba
Systems for Community Question Answering (CQA) are well-known on the open web (e.g. Stack Overflow or Quora). They have been recently adopted also for use in educational domain (mostly in MOOCs) to mediate communication between students and teachers. As students are only novices in topics they learn about, they may need various scaffoldings to achieve effective question answering. In this work, we focus specifically on automatic recommendation of tags classifying students' questions. We propose a novel method that can automatically analyze a text of a question and suggest appropriate tags to an asker. The method takes specifics of educational domain into consideration by a two-step recommendation process in which tags reflecting course structure are recommended at first and consequently supplemented with additional related tags. Evaluation of the method on data from CS50 MOOC at Stack Exchange platform showed that the proposed method achieved higher performance in comparison with a baseline method (tag recommendation without taking educational specifics into account).
社区问答(CQA)系统在开放网络上是众所周知的(例如Stack Overflow或Quora)。它们最近也被用于教育领域(主要是mooc),以调解学生和教师之间的沟通。由于学生对他们所学习的主题只是新手,他们可能需要各种脚手架来实现有效的问答。在这项工作中,我们专注于自动推荐对学生问题进行分类的标签。我们提出了一种新的方法,可以自动分析问题的文本并向提问者建议适当的标签。该方法考虑了教育领域的特殊性,通过两步推荐过程,首先推荐反映课程结构的标签,然后补充其他相关标签。对Stack Exchange平台CS50 MOOC数据的评估表明,与基线方法(不考虑教育具体情况的标签推荐)相比,本文提出的方法取得了更高的性能。
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引用次数: 11
Oblivion Tracking: Towards a Probabilistic Working Memory Model for the Adaptation of Systems to Alzheimer Patients 遗忘跟踪:对阿尔茨海默病患者系统适应的概率工作记忆模型
B. Sguerra, P. Jouvelot, Samuel Benveniste
We introduce a new probabilistic working memory (WM) model that we intend to use to automatically personalize user interfaces with respect to Alzheimer patients' declining WM capacity. WM is the part of the human memory responsible for the conscious short-term storing and manipulation of information. It is known to be extremely limited and to be one of the strongest factors that impact individual differences in cognitive abilities. In particular, individuals suffering from Alzheimer's disease have significantly impaired WM capacities that worsen as the disease progresses. As a use case for our model, we describe a system that is designed to help patients with Alzheimer's disease choose the music track they would like to listen to from a given playlist. We discuss how our WM model could be used to adapt this system to each patient's disease progression in time and the consequent deterioration of her WM capacity.
我们引入了一个新的概率工作记忆(WM)模型,我们打算用它来自动个性化用户界面,考虑到阿尔茨海默病患者的WM能力下降。WM是人类记忆的一部分,负责有意识地短期存储和操作信息。众所周知,它是极其有限的,是影响个体认知能力差异的最强因素之一。特别是,患有阿尔茨海默病的个体的WM能力明显受损,随着疾病的进展而恶化。作为我们模型的一个用例,我们描述了一个系统,该系统旨在帮助阿尔茨海默病患者从给定的播放列表中选择他们想听的音乐曲目。我们讨论了如何使用我们的WM模型使该系统适应每个患者的疾病进展和随之而来的WM能力的恶化。
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引用次数: 1
Certificate Achievement Unlocked: How Does MOOC Learners' Behaviour Change? 证书成就解锁:MOOC学习者的行为如何改变?
Yue Zhao, Dan Davis, Guanliang Chen, C. Lofi, C. Hauff, G. Houben
Massive Open Online Courses (MOOCs) play an ever more central role in open education. However, in contrast to traditional classroom settings, many aspects of learners' behaviour in MOOCs are not well researched. In this work, we focus on modelling learner behaviour in the context of continuous assessments with completion certificates, the most common assessment setup in MOOCs today. Here, learners can obtain a completion certificate once they obtain a required minimal score (typically somewhere between 50-70%) in tests distributed throughout the duration of a MOOC. In this setting, the course material or tests provided after "passing" do not contribute to earning the certificate (which is ungraded), thus potentially affecting learners' behaviour. Therefore, we explore how ``passing'' impacts MOOC learners: do learners alter their behaviour after this point? And if so how? While in traditional classroom-based learning the role of assessment and its influence on learning behaviour has been well-established, we are among the first to provide answers to these questions in the context of MOOCs.
大规模在线开放课程(MOOCs)在开放教育中扮演着越来越重要的角色。然而,与传统的课堂环境相比,mooc中学习者行为的许多方面都没有得到很好的研究。在这项工作中,我们专注于在具有完成证书的连续评估的背景下对学习者行为进行建模,这是当今mooc中最常见的评估设置。在这里,学习者一旦在整个MOOC期间分发的测试中获得所需的最低分数(通常在50-70%之间),就可以获得完成证书。在这种情况下,“通过”后提供的课程材料或测试并不有助于获得证书(不评分),因此可能影响学习者的行为。因此,我们探讨了“及格”对MOOC学习者的影响:在这一点之后,学习者是否会改变他们的行为?如果是,那又是怎么回事呢?在传统的以课堂为基础的学习中,评估的作用及其对学习行为的影响已经确立,而我们是第一批在mooc背景下为这些问题提供答案的人之一。
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引用次数: 19
Social Recommendation with Time and Sentiment Analysis 基于时间和情感分析的社会推荐
Domenico Giammarino, Davide Feltoni Gurini, A. Micarelli, G. Sansonetti
With the increasing information overload, the identification of new users really relevant to the target user becomes more and more complicated. In this paper, we propose a social recommender based on a user model that takes into account not only her interests and preferences, but also their evolution over time and actual nature. To accurately assess the effectiveness of the proposed approach, over 1,600 users were monitored for a full year, thus collecting over 2,700,000 tweets. In this way, it was possible to deeply evaluate the proposed model, also through a comparative analysis with other state-of-the-art social recommender systems.
随着信息过载的加剧,识别与目标用户真正相关的新用户变得越来越复杂。在本文中,我们提出了一个基于用户模型的社交推荐,该模型不仅考虑了用户的兴趣和偏好,而且考虑了用户的兴趣和偏好随时间的变化和实际性质。为了准确评估拟议方法的有效性,对1600多名用户进行了一整年的监控,从而收集了270多万条推文。通过这种方式,也可以通过与其他最先进的社会推荐系统的比较分析来深入评估所提出的模型。
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引用次数: 3
A Comprehensive Approach to Group Recommendations in the Travel and Tourism Domain 旅游和旅游领域团体推荐的综合方法
Amra Delic, J. Neidhardt
The research on group recommender systems is often oversimplifying the problem of generating group recommendations, as it is usually only considering the explicit preferences of the group members and, in some cases, enriching these preferences with additional information about the individual members. In this way, an essential aspect is frequently completely neglected: the characterization of the group as an entity with a specific composition and with group-related dynamics. The goal of this paper is multifaceted, firstly, to address the limitations of state-of-the-art approaches, secondly, to describe the problem of group recommendations in a more comprehensive fashion, thirdly, to summarize the results of our previously conducted analyses as a supporting evidence of a need for richer group models, and finally, to discuss an alternative and rather novel approach to group recommendations in the tourism domain. To this end, the results of the group decision-making study with 200 participants in 55 groups are summarized and related to the seven travel factors of the picture-based recommendation system.
对群体推荐系统的研究往往过于简化了生成群体推荐的问题,因为它通常只考虑群体成员的明确偏好,在某些情况下,还会用关于个体成员的额外信息来丰富这些偏好。这样,一个基本方面经常被完全忽视:将群体定性为具有特定组成和与群体有关的动态的实体。本文的目标是多方面的,首先,解决最先进方法的局限性,其次,以更全面的方式描述群体推荐问题,第三,总结我们之前进行的分析结果,作为需要更丰富的群体模型的支持证据,最后,讨论旅游领域群体推荐的另一种相当新颖的方法。为此,总结了55组200名参与者的群体决策研究结果,并将其与基于图片的推荐系统的7个旅行因素联系起来。
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引用次数: 14
Introducing Surprise and Opposition by Design in Recommender Systems 在推荐系统中引入惊喜和反对设计
Christine Bauer, M. Schedl
There is a long tradition in recommender systems research to evaluate systems using quantitative performance measures on fixed datasets. As a reaction to this narrow accuracy-based focus in research, novel qualities beyond pure accuracy are emphasized in recent research; among them are surprise and opposition. This position paper considers that the perception of surprise and/or opposition may be purposely prepared when several recommendations are provided (e.g., in terms of a music playlist) or the user is given the choice between several options. Altering users' perception and triggering according behavior is well rooted in research on priming from psychology and nudge theory from the field of economic behavior. In this position paper, we propose how priming and nudging may be integrated into the design and evaluation of recommender systems to arouse surprise and opposition.
在推荐系统研究中,使用固定数据集上的定量性能指标来评估系统是一个悠久的传统。作为对这种狭隘的以准确性为基础的研究焦点的反应,在最近的研究中强调了超越纯粹准确性的新颖品质;其中包括惊讶和反对。这份意见书认为,当提供了几个建议(例如,在音乐播放列表方面)或用户在几个选项之间做出选择时,可能有意准备了惊讶和/或反对的感觉。改变用户感知并引发相应行为的研究植根于心理学的启动效应和经济行为领域的助推理论。在这篇立场论文中,我们提出了如何将启动和推动整合到推荐系统的设计和评估中,以引起惊讶和反对。
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引用次数: 4
Addressing Temporal Aspects in User Modelling 解决时间方面的用户建模
Veronika Bogina
Early studies about user modeling already noted that user models need to continuously adapt, as new information about the user becomes available, keeping the user model updated. Although temporal aspects are inherent characteristics of user modeling, so far, they were not specifically dealt with. Therefore, the proposed research will suggest an abstract, generic framework to deal with temporal aspects of user modeling while providing guidelines based on domains characteristics for handling temporal aspects in User Modelling.
关于用户建模的早期研究已经注意到,随着有关用户的新信息变得可用,用户模型需要不断适应,以保持用户模型的更新。虽然时间方面是用户建模的固有特征,但到目前为止,还没有专门处理它们。因此,本研究将提出一个抽象的、通用的框架来处理用户建模的时间方面,同时为处理用户建模中的时间方面提供基于域特征的指导方针。
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引用次数: 2
Psychomotor Learning in Martial Arts: an Opportunity for User Modeling, Adaptation and Personalization 武术中的心理运动学习:用户建模、适应和个性化的机会
O. Santos
Psychomotor learning is crucial for many kind of tasks that involve the acquisition of motor skills, such as practicing martial arts. In the past two decades, diverse technological solutions have been developed to support the learning of the corresponding motor skills. However, the UMAP (User Modeling, Adaptation and Personalization) community has not taken part in that research efforts and thus, resulting systems do not adapt and personalize the system response to their users' needs. This paper discusses the main features of existing systems to learn martial arts and identifies research opportunities that are to be included in the future agenda for UMAP research.
心理运动学习对于许多需要获得运动技能的任务都是至关重要的,比如练习武术。在过去的二十年里,各种各样的技术解决方案已经被开发出来,以支持相应的运动技能的学习。然而,UMAP(用户建模、适应和个性化)社区并没有参与这项研究工作,因此,最终的系统不能适应和个性化系统响应用户的需求。本文讨论了现有武术学习系统的主要特点,并确定了将被纳入UMAP研究未来议程的研究机会。
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引用次数: 8
期刊
Adjunct Publication of the 25th Conference on User Modeling, Adaptation and Personalization
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