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arXiv 2025年

作者： Jeon, Hayeon Yoon, Suhwoo Lee, Keyeun Kim, Seo Hyeong Kim, Esther Hehsun Cho, Seonghye Ko, Yena Yang, Soeun Dabbish, Laura Zimmerman, John Kim, Eun-Mee Lim, Hajin hci+d lab. Seoul National University Korea Republic of Department of Communication Seoul National University Korea Republic of Human-Computer Interaction Institute Carnegie Mellon University United States HCI Institute Carnegie Mellon University United States

Young adults often encounter challenges in career exploration. Self-guided interventions, such as the letter-exchange exercise, where participants envision and adopt the perspective of their future selves by exchanging letters with their envisioned future selves, can support career development. However, the broader adoption of such interventions may be limited without structured guidance. To address this, we integrated Large Language Model (LLM)-based agents that simulate participants’ future selves into the letter-exchange exercise and evaluated their effectiveness. A one-week experiment (N=36) compared three conditions: (1) participants manually writing replies to themselves from the perspective of their future selves (baseline), (2) future-self agents generating letters to participants, and (3) future-self agents engaging in chat conversations with participants. Results indicated that exchanging letters with future-self agents enhanced participants’ engagement during the exercise, while overall benefits of the intervention on future orientation, career self-concept, and psychological support remained comparable across conditions. We discuss design implications for AI-augmented interventions for supporting young adults’ career exploration. Copyright © 2025, The Authors. All rights reserved.

关键词： Chatbots

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Letters from Future Self: Augmenting the Letter-Exchange Exercise with LLM-based Agents to Enhance Young Adults' Career Exploration 25

Letters from Future Self: Augmenting the Letter-Exchange Exe...

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Proceedings of the 2025 CHI Conference on human Factors in Computing Systems

作者： Hayeon Jeon Suhwoo Yoon Keyeun Lee Seo Hyeong Kim Esther Hehsun Kim Seonghye Cho Yena Ko Soeun Yang Laura Dabbish John Zimmerman Eun-mee Kim Hajin Lim hci+d lab. Seoul National University Seoul Republic of Korea Department of Communication Seoul National University Seoul Republic of Korea Human-Computer Interaction Institute Carnegie Mellon University Pittsburgh Pennsylvania USA HCI Institute Carnegie Mellon University Pittsburgh Pennsylvania USA

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Designing semantic substrates for visual network exploration

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Information Visualization 2007年第4期6卷 281-300页

作者： Aris, Aleks Shneiderman, Ben Computer Science Department Human-Computer Interaction Lab. University of Maryland College Park MD United States Computer Science Department Human-Computer Interaction Lab. University of Maryland College Park MD 20742 United States

A semantic substrate is a spatial template for a network, where nodes are grouped into regions and laid out within each region according to one or more node attributes. This paper shows how users can be given control in designing their own substrates and how this ability leads to a different approach to network data exploration. Users can create a semantic substrate, enter their data, get feedback from domain experts, edit the semantic substrate, and iteratively continue this procedure until the domain experts are satisfied with the insights they have gained. We illustrate this process in two case studies with domain experts working with legal precedents and food webs. Guidelines for designing substrates are provided, including how to locate, size, and align regions in a substrate, which attributes to choose for grouping nodes into regions, how to select placement methods and which attributes to set as parameters of the selected placement method. Throughout the paper, examples are illustrated with NVSS 2.0, the network visualization tool developed to explore the semantic substrate idea. © 2007 Palgrave Macmillan Ltd. All rights reserved.

关键词： Semantic Web

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Exploiting colour information for better scene text recognition 25

Exploiting colour information for better scene text recognit...

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25th British Machine vision Conference, BMVC 2014

作者： Fraz, Muhammad Sarfraz, M. Saquib Edirisinghe, Eran A. Department of Computer Science Loughborough University Loughborough United Kingdom Computer Vision for Human Computer Interaction Lab. Karlsruhe Institute of Technology Karlsruhe Germany

This paper presents an approach to text recognition in natural scene images. The main contribution of this paper is the efficient exploitation of colour information for the identification of text regions in the presence of surrounding noise. We propose a pipeline of image processing operations involving the bilateral regression for the identification of characters in the images. A pre-processing step has been proposed to increase the performance of bilateral regression based character identification. The proposed method segments the characters so well that a combination of an off the shelf feature representation and classification technique achieves state-of-the-art character recognition performance. The capability of the framework is further extended for word recognition where a basic string matching criterion is applied to match recognized strings against a lexicon to eliminate errors that occur due to inaccuracies in character classification. We performed extensive experiments to evaluate our method on challenging datasets (Chars74K, ICDAR03, ICDAR11 and SVT) and results show that the proposed method superseded the existing state-of-the-art techniques. © 2014. The copyright of this document resides with its authors.

关键词： Image processing

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Life on the line: Interacting with temporal event sequence representations

Life on the line: Interacting with temporal event sequence r...

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7th International Conference on the Theory and Application of Diagrams, Diagrams 2012

作者： Plaisant, Catherine Human-Computer Interaction Lab. University of Maryland United States

Sequences of events are part of people's life, their travel, hospital visits, even web browsing experiences. Analysing collections of event sequences can be challenging even for skilled computer professionals. We will review a series of visualization techniques developed at the human-computer interaction lab.to handle temporal data. © 2012 Springer-Verlag.

关键词： human computer interaction

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Exploration to design a cursor for indirect pen interfaces 12

Exploration to design a cursor for indirect pen interfaces

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24th Australian computer-human interaction Conference, OzCHI 2012

作者： Han, Jaehyun Lee, Geehyuk Human-Computer Interaction Lab. KAIST Daejeon Korea Republic of

ISBN: (纸本)9781450314381

Indirect pen interfaces with a horizontal control space and a vertical display space are common in designers' work environments. They have advantages compared to direct pen interfaces in respect of fatigue and occlusion problems. An intrinsic problem of indirect pen interfaces, however, is that users have to work with limited visual feedback about the pen and the hand. In order to understand and cope with the limited visual feedback problem, we undertook a three-phase user study. First, we conducted an observation study to examine the symptoms of the limited visual feedback problem. Second, we tested different types of cursors to cope with the limited visual feedback problem. Third, we performed a controlled user study to analyse the effects of different cursor designs and their quality factors. We summarize the main findings from our user study that may contribute to the usability of indirect pen interfaces. © 2012 ACM.

关键词： Feedback

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A TV remote pointing device using LED directivity 12

A TV remote pointing device using LED directivity

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24th Australian computer-human interaction Conference, OzCHI 2012

作者： Lee, Geehyuk Han, Jaehyun Lee, Seunghwan Human-Computer Interaction Lab. KAIST Daejeon Korea Republic of

ISBN: (纸本)9781450314381

As TV contents and its user interfaces become rich and complex, the demand for a more efficient pointing device is increasing. As a lightweight solution for this purpose, we present a remote pointing device using LED directivity. The main technical issues that we had to solve include the irregularity of LED directivity, sensitivity to ambient infrared noise, and cursor instability due to hand tremor. The results of a user test show that the final design is comparable with a gyro-mouse and a Wii Remote in terms of pointing throughputs and error rates despite its relatively simple and low-cost structure. © 2012 ACM.

关键词： Light emitting diodes

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Keynote: Exploring temporal patterns with information visualization

Keynote: Exploring temporal patterns with information visual...

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36th Graphics Interface Conference, GI 2010

作者： Plaisant, Catherine Human-Computer Interaction Lab. University of Maryland United States

ISBN: (纸本)9781568817125

After an overview of visualizations to explore temporal patterns, we will focus on interfaces for discovering temporal event patterns in electronic health records. Specifying event sequence queries is challenging even for skilled computer professionals familiar with SQL. Our novel interactive search strategies allow for aligning records on important events, ranking, and filtering combined with grouping of results to find common or rare events. A second approach is to use query-by-example, in which users specify a pattern and see a similarity-ranked list of results, but the similarity measure needs to be customized for different needs. Temporal summaries allow comparisons between groups. We will discuss the methods we use to evaluate the usefulness of our interfaces through collab.rations with clinicians and hospital administrators on case studies. Finally, application of the techniques to other domains will be discussed.

关键词： Visualization

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BottlePrint: Scaling Personal Fabrication by Embedding Ready-Made Objects 9

BottlePrint: Scaling Personal Fabrication by Embedding Ready...

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9th Ph. D. Retreat of the HPI Research School on Service-oriented Systems Engineering

作者： Kovacs, Robert Human Computer Interaction Lab. Hasso-Plattner-Institut Germany

ISBN: (纸本)9783869563459

BottlePrint is a fabrication system that allows users to produce large-scale objects on desktop-scale fabrication ma-chines. The key idea behind bottlePrint is to complement 3D printing with ready-made objects, in our case empty plastic bottles. BottlePrint considers 3D models as wireframe models;it then fabricates only the hubs of this wireframe model, while it implements all edges as bottles. The resulting large-scale objects are sturdy enough to carry human users. We present a furniture set with table and chairs, a truss strong enough to bridge a 3m gap while a human walks on it, and a functional boat sealed with tarp that seats two. To extend our approach to even larger ob-jects we fabricate hubs on a laser-cutter, which speeds up fabrication by another factor of 20. This allowed us to fabricate a 12 m2 tent. Benefits of our approach include (1) Scale: bottlePrint allows 3D printing of large-scale objects on desktop-scale devices. (2) Speed: as the bulk of the objects volume is ready-made. (3) Environ¬mentally conscious: as materials can be up-cycled. (4) Ubiquitous: since plastic bottles can be acquired anywhere worldwide, users setting up large installations elsewhere can travel lightly, carrying only the hubs. © 2016 Universitatsverlag Potsdam. All rights reserved.

关键词： Plastic bottles

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Textured agreements: Re-envisioning electronic consent 10

Textured agreements: Re-envisioning electronic consent

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6th Symposium on Usable Privacy and Security, SOUPS 2010

作者： Kay, Matthew Terry, Michael Human-Computer Interaction Lab. University of Waterloo Waterloo ON Canada

ISBN: (纸本)9781450302647

Research indicates that less than 2% of the population reads license agreements during software installation [12]. To address this problem, we developed textured agreements, visually redesigned agreements that employ factoids, vignettes, and iconic symbols to accentuate information and highlight its personal relevance. Notably, textured agreements accomplish these goals without requiring modifcation of the underlying text. A between-subjects experimental study with 84 subjects indicates these agreements can signifcantly increase reading times. In our study, subjects spent approximately 37 seconds on agreement screens with textured agreements, compared to 7 seconds in the plain text control condition. A follow-up study examined retention of agreement content, fnding that median scores on a comprehension quiz increased by 4 out of 16 points for textured agreements. These results provide convincing evidence of the potential for textured agreements to positively impact software agreement processes. © 2010 ACM.

关键词： Contracts

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