- Semiconductor materials and devices
- Digital Communication and Language
- Advancements in Semiconductor Devices and Circuit Design
- Semiconductor materials and interfaces
- Impact of Technology on Adolescents
- Innovative Human-Technology Interaction
- Digital Mental Health Interventions
- AI in Service Interactions
- Digital Accessibility for Disabilities
- Sentiment Analysis and Opinion Mining
- Technology Use by Older Adults
- Media Influence and Health
- Technology Adoption and User Behaviour
- Psychosocial Factors Impacting Youth
- Digital Marketing and Social Media
- Sexuality, Behavior, and Technology
- Mind wandering and attention
- Child Development and Digital Technology
- Speech and dialogue systems
- Advanced Text Analysis Techniques
- Mental Health Research Topics
- Education and Learning Interventions
- Social Media in Health Education
- Attachment and Relationship Dynamics
- Online Learning and Analytics
Seoul National University
2012-2024
Korea University
2024
University of Wisconsin–Madison
2022-2023
Cornell University
2017-2022
Bucheon St. Mary's Hospital
2022
Catholic University of Korea
2022
Samsung (South Korea)
2005-2015
<sec> <title>BACKGROUND</title> Diabetes requires continuous management to prevent complications. Many patients rely on online search engines and mobile health apps for information, but these tools often lead information overload, complex navigation, lack of personalization. Generative AI chatbots have emerged as promising alternatives by providing accessible tailored recommendations, addressing each patient's unique needs more effectively. </sec> <title>OBJECTIVE</title> This study explores...
The electrical characteristics were evaluated for the metal-oxide-semiconductor (MOS) devices with Ti and Pt gates on atomic-layer-deposited (ALD) HfO2. equivalent oxide thickness (EOT) of gate is shown to be nearly same as that gate, which means a negligible chemical reaction occurs between dielectric. values effective metal work function (Φm,eff), extracted from conventional relations flatband voltage versus EOT, ∼4.2eV ∼5.4eV Pt, respectively. However, somewhat higher Φm,eff by...
Previous research has shown that communication technologies may make it challenging for working professionals to manage the boundaries between their work life and home life. For college students, however, there is a less clear definition of what constitutes As result, students use different boundary management strategies than professionals. To explore this issue, we interviewed 29 undergraduates about how they managed areas Interviewees reported maintaining flexible permeable are not bounded...
Many people's social media feeds include posts in languages they do not understand. While previous research has examined bilingual users' language choices, little focused on how people make sense of foreign posts. In the present study, we interviewed 23 undergraduate users about consume and other languages. Interviewees reported that often did pay attention to or engage with posts, due a lack relevance contextual knowledge. When actively interviewees rely solely machine translation output...
Traumatic brain injury (TBI) can result in chronic sensorimotor, cognitive, psychosocial, and communication challenges that limit social participation. Social media be a useful outlet for participation individuals with TBI, but there are barriers to access. While research has drawn attention the nature of access barriers, few studies have investigated technological solutions address these particularly considering perspectives TBI. To this gap knowledge, we used participatory approach engage...
Selfies are everywhere on social media. Research has focused only who is posting selfies and not addressed the audience members viewing selfies. This study aims to fill this gap by analyzing judgments people make of posted Facebook. Using an online experiment, we test how including a selfie Facebook status update changes people's appraisals narcissism, message appropriateness, attraction. We also consider valence intimacy text interplay with change judgments. Participants rated posts as more...
Traumatic brain injury (TBI) can cause cognitive, communication, and psychological challenges that profoundly limit independence in everyday life. Conversational Agents (CAs) provide individuals with TBI cognitive communication support, although little is known about how they make use of CAs to address injury-related needs. In this study, we gave nine adults an at-home CA for four weeks investigate patterns, challenges, design requirements, focusing particularly on use. The findings revealed...
Although many social media sites now provide machine translation (MT) for foreign language posts, of a post may not suffice to support understanding of, and engagement with, that post. We present SenseTrans, tool provides emotional contextual annotations generated by natural analysis in addition translation. evaluated SenseTrans laboratory experiment which native English speakers browsed five Facebook profiles languages. One group used the interface while other MT alone. Participants using...
A critical gap in our knowledge about social media is whether we can alleviate accessibility barriers and challenges for individuals with traumatic brain injury (TBI), to improve their participation health. To do this, need real-time information these challenges, design appropriate aids.The aim of this study was characterize the ways people TBI accessed used websites understand unique they faced.We invited 8 adults moderate severe log onto own Facebook page use it as regularly would while...
Al2O3 thin films were deposited using tri-methyl aluminum and ozone by spatially separated atomic layer deposition (SALD). A large gap was kept between the reactor substrates in an attempt to enhance process gas flow. According simulation data results, strong edge pumping for dominantly lateral flow improved isolation very effective, with a resulting height of 5 mm. To compare this SALD conventional (ALD), authors examined how amount source supplied, temperature, number rotations affected...
We propose a novel V <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">th</sub> , control method for HfSiON (or HfO xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> ) with poly-Si and metal inserted stacks (MIPS) gates. By using selective AlO xmlns:xlink="http://www.w3.org/1999/xlink">x</sub> etch (SAE) process, we successfully integrate dual high-k gate oxide scheme; HfSiO/poly-Si stack nMOS HfSiO/AlO /poly-Si pMOS. Therefore, symmetrical...
The electrical properties of La-silicate films grown by atomic layer deposition (ALD) on Ge substrates with different film configurations, such as various Si concentrations, Al2O3interfacial passivation layers, and SiO2 capping were examined. thin deposited using alternating injections the La[N{Si(CH3)3}2]3 precursor O3 La O precursors, respectively, at a substrate temperature 310 °C. concentration in was further controlled adding ALD cycles SiO2. For comparison, La2O3 also [La(iPrCp)3]...
The widespread use of mobile devices has transformed casual places into meeting places. However, in these places, it is uncommon to have shared information workspace such as a beam projector, making inconvenient and inefficient exchange get direct feedback. To address this challenge, we present Ubi-jector, system that provides space equally distributed each participant's device allows group members share documents collaborate real-time. We first characterized the sharing patterns identified...
We explore how language affects people’s attention to and engagement with social media posts in an eye-tracking experiment which participants viewed a mock newsfeed containing English foreign posts, half without images. Participants spent less time looking at than more images those reported being likely like or comment on suggest some new design ideas for supporting interaction multilingual sites.
A facile route to mitigate the Fermi-level pinning between a p-type GaSb semiconductor and an Al2O3 dielectric is proposed. Combination of sulphurization surface subsequent rapid thermal annealing allowed for high quality GaSb/Al2O3 interfacial characteristics; trap density value was ≤2.0 × 1012 cm−2 eV−1 in energy range 0.05 ≤ ET − Ev 0.45 eV PMOS capacitor via at 575 °C. physical rationale given on basis thermo-chemical conversion Ga2O into Ga2O3 conformal elimination Sb related elements...
Role-playing can be an effective method for disability awareness education (DAE), and the immersive nature of virtual reality (VR) holds promise enhancing DAE experiences. However, existing VR applications often pay less attention to social aspects disabilities, resulting in a lack ability simulate implicit discrimination experienced by individuals with disabilities. To bridge this gap, we developed DiVRsity, customizable group role-playing platform DAE. identify design requirements...
Increasingly, older adults are shopping via mobile devices as technology has been incorporated into their lives. When adopt and use shopping, social interactions with close others greatly influence experience. Therefore, this paper aimed to provide a comprehensive understanding of how shaped adults' practices. We conducted in-depth semi-structured interviews 31 who reported using regularly. found that engaged in three types interaction: learning from, collaborating with, assisting adopting...
Communication tools such as email facilitate communication and collaboration between speakers of different languages, who use two primary strategies-English a common language machine translation (MT) tools-to help them overcome barriers. However, each these strategies creates its own challenges for cross-lingual communication. In this paper, we compare how people's interpretations an sender's social intention, their evaluation the senders, differ when using versus MT in We conducted online...
Adults with traumatic brain injury (TBI) report significant barriers to using current social media platforms, including cognitive overload and challenges in interpreting cues. Rehabilitation providers may be tasked helping address these barriers.To develop technological supports increase accessibility for people TBI-related impairments obtain preliminary data on the perceived acceptability, ease of use, utility proposed technology aids.We identified four major use among individuals TBI:...
This research explores the uses of communication channels that couples adopt in varied geographical distance settings. We also characterize their conflict patterns and strategies for resolving conflicts. found distances between have a strong influence on patterns. The is associated with typical conflicts pattern confronted as well relationship maintenance strategies. In this research, we classify settings into four categories. Then, perform semi-structured interviews 20 various analysis...
The goal of this paper is to investigate how computational tools annotate communication can support multilingual sense-making on social media. We conducted a field study SenseTrans, browser extension that uses sentiment analysis and named entity extraction techniques Facebook posts with emotional contextual information. Interviews 18 participants who used SenseTrans in their newsfeed for two weeks suggest the annotations often supported sensemaking by providing additional information they...
We propose a system called Ubi-Jector, which provides shared information screen utilizing participants' personal mobile devices in casual meeting places. This can successfully substitute for large projector most conventional rooms, such as cafeterias, lobbies, or libraries, and also enable all participants to communicate simultaneously through their devices. In this paper, we first present the preliminary study results that characterize current issues when is carried out without screen, then...
Mobile dating apps are now used for a wide range of networking opportunities beyond romantic relationships. However, previous studies on mobile have not fully taken into account the multiple motivations that users may have. This study aimed to address this gap by conducting semi-structured interviews with 12 Tinder in South Korea, who reported having using apps. We discovered participants' became gradually expanded but clarified over time. Furthermore, we found participants rarely disclosed...