Relevant bibliographies by topics / Virtual Assistants

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Virtual Assistants'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 September 2023

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Journal articles on the topic "Virtual Assistants"

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Karande, Pramod, Shubham Borchate, Bhavesh Chaudhary, and Prof Deveshree Wankhede. "Virtual Desktop Assistant." International Journal for Research in Applied Science and Engineering Technology 10, no. 3 (March 31, 2022): 1916–20. http://dx.doi.org/10.22214/ijraset.2022.41024.

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Abstract: Voice Assistants are becoming immensely popular feature that has changed the way user interact with devices. Voice assistants are used in many devices like mobile phones, laptops. These voice assistants are based on Artificial-Intelligence and Natural Language Processing. They take human voices as input and give output in integrated voices. This voice assistant takes voice through microphone, we have used libraries like pyttsx3 to convert text-to-speech. Keywords: Voice Assistant, python, pyttsx3, Artificial Intelligence, Speech Recognition
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Malamas, Nikolaos, Konstantinos Papangelou, and Andreas L. Symeonidis. "Upon Improving the Performance of Localized Healthcare Virtual Assistants." Healthcare 10, no. 1 (January 4, 2022): 99. http://dx.doi.org/10.3390/healthcare10010099.

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Virtual assistants are becoming popular in a variety of domains, responsible for automating repetitive tasks or allowing users to seamlessly access useful information. With the advances in Machine Learning and Natural Language Processing, there has been an increasing interest in applying such assistants in new areas and with new capabilities. In particular, their application in e-healthcare is becoming attractive and is driven by the need to access medically-related knowledge, as well as providing first-level assistance in an efficient manner. In such types of virtual assistants, localization is of utmost importance, since the general population (especially the aging population) is not familiar with the needed “healthcare vocabulary” to communicate facts properly; and state-of-practice proves relatively poor in performance when it comes to specialized virtual assistants for less frequently spoken languages. In this context, we present a Greek ML-based virtual assistant specifically designed to address some commonly occurring tasks in the healthcare domain, such as doctor’s appointments or distress (panic situations) management. We build on top of an existing open-source framework, discuss the necessary modifications needed to address the language-specific characteristics and evaluate various combinations of word embeddings and machine learning models to enhance the assistant’s behaviour. Results show that we are able to build an efficient Greek-speaking virtual assistant to support e-healthcare, while the NLP pipeline proposed can be applied in other (less frequently spoken) languages, without loss of generality.
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Faiz, Zeeshan, Vedika Srivastava, and Suchitra Khoje. "Virtual Voice Assistant for Smart Devices." ECS Transactions 107, no. 1 (April 24, 2022): 4315–26. http://dx.doi.org/10.1149/10701.4315ecst.

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Digital assistants have been a budding technology lately. In modern society, chatbots have found their way in many sectors of e-commerce. With widespread advancements in the field of artificial intelligence, developing machines to ease real life tasks is the norm of the day. Voice Assistants have gained a lot of popularity in this era of home automation and smart devices. These personal assistants, voice or text, can be easily programmed to perform many tasks by simply commanding them to. High tech industries like, Google have publicized voice-based search that is, especially, a bonanza for many like senior citizens who are not comfortable using the keypad/keyboard or English language as these assistants offer support in other languages like Hindi too. Any voice-based assistant works on two pivotal functions namely - listening to(detecting) commands and responding to the given commands given by user. Along with these two base functions, we need customized directive that will define the functionality of the voice assistant.
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Giachos, Ioannis, Evangelos C. Papakitsos, Petros Savvidis, and Nikolaos Laskaris. "Inquiring Natural Language Processing Capabilities on Robotic Systems through Virtual Assistants: A Systemic Approach." Journal of Computer Science Research 5, no. 2 (April 18, 2023): 28–36. http://dx.doi.org/10.30564/jcsr.v5i2.5537.

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This paper attempts to approach the interface of a robot from the perspective of virtual assistants. Virtual assistants can also be characterized as the mind of a robot, since they manage communication and action with the rest of the world they exist in. Therefore, virtual assistants can also be described as the brain of a robot and they include a Natural Language Processing (NLP) module for conducting communication in their human-robot interface. This work is focused on inquiring and enhancing the capabilities of this module. The problem is that nothing much is revealed about the nature of the human-robot interface of commercial virtual assistants. Therefore, any new attempt of developing such a capability has to start from scratch. Accordingly, to include corresponding capabilities to a developing NLP system of a virtual assistant, a method of systemic semantic modelling is proposed and applied. For this purpose, the paper briefly reviews the evolution of virtual assistants from the first assistant, in the form of a game, to the latest assistant that has significantly elevated their standards. Then there is a reference to the evolution of their services and their continued offerings, as well as future expectations. The paper presents their structure and the technologies used, according to the data provided by the development companies to the public, while an attempt is made to classify virtual assistants, based on their characteristics and capabilities. Consequently, a robotic NLP interface is being developed, based on the communicative power of a proposed systemic conceptual model that may enhance the NLP capabilities of virtual assistants, being tested through a small natural language dictionary in Greek.
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Manojkumar, Patil Kavita, Aditi Patil, Sakshi Shinde, Shaktiprasad Patra, and Saloni Patil. "AI-Based Virtual Assistant Using Python: A Systematic Review." International Journal for Research in Applied Science and Engineering Technology 11, no. 3 (March 31, 2023): 814–18. http://dx.doi.org/10.22214/ijraset.2023.49519.

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Abstract: A software agent that will carry out tasks or provide services in response to a user's privately supported instructions or inquiries is known as an intelligent virtual assistant (IVA) or intelligent personal assistant (IPA). A virtual assistant capable of being accessed via web chat is sometimes called a "chatbot." Online chat systems can occasionally only be used for amusement. Some virtual assistants are equipped to comprehend spoken language and answer with synthetic voices. Users can use voice commands to manage other basic chores like email, to-do lists, and calendars in addition to asking their assistants questions, controlling home automation devices, and controlling media playing. One of the best applications of artificial intelligence is the virtual personal assistant (VPA), which offers a new way for people to delegate tasks to machines. To create a Virtual Personal Assistant (VPA) and use it in various software applications, certain approaches and principles are used. To enable users to communicate with virtual assistants, speech recognition systems—also known as Automatic Speech Recognition, or ASR—play a crucial role.
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Roca, Surya, María Luisa Lozano, José García, and Álvaro Alesanco. "Validation of a Virtual Assistant for Improving Medication Adherence in Patients with Comorbid Type 2 Diabetes Mellitus and Depressive Disorder." International Journal of Environmental Research and Public Health 18, no. 22 (November 17, 2021): 12056. http://dx.doi.org/10.3390/ijerph182212056.

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Virtual assistants are programs that interact with users through text or voice messages simulating a human-based conversation. The development of healthcare virtual assistants that use messaging platforms is rapidly increasing. Still, there is a lack of validation of these assistants. In particular, this work aimed to validate the effectiveness of a healthcare virtual assistant, integrated within messaging platforms, with the aim of improving medication adherence in patients with comorbid type 2 diabetes mellitus and depressive disorder. For this purpose, a nine-month pilot study was designed and subsequently conducted. The virtual assistant reminds patients about their medication and provides healthcare professionals with the ability to monitor their patients. We analyzed the medication possession ratio (MPR), measured the level of glycosylated hemoglobin (HbA1c), and obtained the patient health questionnaire (PHQ-9) score in the patients before and after the study. We also conducted interviews with all participants. A total of thirteen patients and five nurses used and evaluated the proposed virtual assistant using the messaging platform Signal. Results showed that on average, the medication adherence improved. In the final interview, 69% of the patients agreed with the idea of continuing to use the virtual assistant after the study.
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Curtis, Rachel G., Bethany Bartel, Ty Ferguson, Henry T. Blake, Celine Northcott, Rosa Virgara, and Carol A. Maher. "Improving User Experience of Virtual Health Assistants: Scoping Review." Journal of Medical Internet Research 23, no. 12 (December 21, 2021): e31737. http://dx.doi.org/10.2196/31737.

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Background Virtual assistants can be used to deliver innovative health programs that provide appealing, personalized, and convenient health advice and support at scale and low cost. Design characteristics that influence the look and feel of the virtual assistant, such as visual appearance or language features, may significantly influence users’ experience and engagement with the assistant. Objective This scoping review aims to provide an overview of the experimental research examining how design characteristics of virtual health assistants affect user experience, summarize research findings of experimental research examining how design characteristics of virtual health assistants affect user experience, and provide recommendations for the design of virtual health assistants if sufficient evidence exists. Methods We searched 5 electronic databases (Web of Science, MEDLINE, Embase, PsycINFO, and ACM Digital Library) to identify the studies that used an experimental design to compare the effects of design characteristics between 2 or more versions of an interactive virtual health assistant on user experience among adults. Data were synthesized descriptively. Health domains, design characteristics, and outcomes were categorized, and descriptive statistics were used to summarize the body of research. Results for each study were categorized as positive, negative, or no effect, and a matrix of the design characteristics and outcome categories was constructed to summarize the findings. Results The database searches identified 6879 articles after the removal of duplicates. We included 48 articles representing 45 unique studies in the review. The most common health domains were mental health and physical activity. Studies most commonly examined design characteristics in the categories of visual design or conversational style and relational behavior and assessed outcomes in the categories of personality, satisfaction, relationship, or use intention. Over half of the design characteristics were examined by only 1 study. Results suggest that empathy and relational behavior and self-disclosure are related to more positive user experience. Results also suggest that if a human-like avatar is used, realistic rendering and medical attire may potentially be related to more positive user experience; however, more research is needed to confirm this. Conclusions There is a growing body of scientific evidence examining the impact of virtual health assistants’ design characteristics on user experience. Taken together, data suggest that the look and feel of a virtual health assistant does affect user experience. Virtual health assistants that show empathy, display nonverbal relational behaviors, and disclose personal information about themselves achieve better user experience. At present, the evidence base is broad, and the studies are typically small in scale and highly heterogeneous. Further research, particularly using longitudinal research designs with repeated user interactions, is needed to inform the optimal design of virtual health assistants.
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N.R, Impana, and Prof G. R. Manjula. "VOICE AND TEXT BASED VIRTUAL PERSONAL ASSISTANT FOR DESKTOP." International Journal of Engineering Applied Sciences and Technology 7, no. 1 (May 1, 2022): 192–96. http://dx.doi.org/10.33564/ijeast.2022.v07i01.030.

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A virtual personal assistant (VPA) is a computer application that simulates human-to-machine communication through the Internet. Virtual personal assistants mimic and process human interactions, allowing users to converse as if they were speaking with real people. The goal of the project is to use facial recognition to offer security for a virtual personal assistant. Users have the option of communicating via voice or text. The virtual personal assistant will be able to tell the time, tell jokes, take screenshots, take photos using the webcam, search Wikipedia, open calendar, open applications, Google search, play music, perform mathematical calculations, volume control, send emails, and much more, and it will be very user-friendly. Virtual assistants will play a vital role in reducing human effort and also time spent on any given task.
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Álvarez Reyes, Julio César. "Design of intuitive user interfaces for virtual assistants in university education." Journal of Scientific and Technological Research Industrial 4, no. 1 (May 3, 2023): 17–20. http://dx.doi.org/10.47422/jstri.v4i1.34.

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Designing an intuitive user interface for virtual assistants in higher education presents several challenges, chief among them being natural language understanding, virtual assistant customization, user-centered design, integration with existing technology, and consideration of the educational context. The success of virtual assistants in higher education depends on the ability of designers and developers to understand the needs and preferences of users and their ability to design intuitive and effective user interfaces that enhance the learning and teaching experience. To address the challenges in designing intuitive user interfaces for virtual assistants, various methods can be used, such as creating a natural language-based user interface, including visual elements, and designing a custom user interface. and adaptable.
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Supriya Jadhav et al. "Multipurpose Virtual Assistant Using Machine Learning." Proceeding International Conference on Science and Engineering 11, no. 1 (February 18, 2023): 291–96. http://dx.doi.org/10.52783/cienceng.v11i1.126.

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— Virtual assistant is a software agent who will perform a different task or work for personally supported Questions or commands called a Virtual Assistant with the intelligence of a human. In some phenomena, virtual assistants can interpret human speech, and sign language responds via synthesized voices and moves to convert voice to text. Clients can interrogate with their virtual assistants to control home automation devices manage their tasks like email, to-do lists, and media playback, check weather updates interact with help of sign language with verbal command and response. Several research papers regarding multipurpose virtual assistant were reviewed and an appropriate solution to address this problem was concluded. You Only Look Once Natural Language Processing and Convolutional Neural Network (CNN) algorithms assist to perform operations with voice and text commands. By using this approach, the final result is expected to have an accuracy score of over 96%.
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Dissertations / Theses on the topic "Virtual Assistants"

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Persson, Erik, and Johan Torssell. "Virtual Assistants and Their Performance In Professional Environments." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-281870.

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Contributors from the mid 20th century up to now have developed and refined virtual assistants, taking the technology from a set of rules to assistants driven by Artificial Intelligence. Today, virtual assistants can provide value in organisation and support a sustainable society by conducting basic and repetitive tasks, and help reduce inequalities caused by biased advisors on sensitive topics. Despite its prosperity, current research somewhat lack focus on the evaluation of virtual assistants in industrial applications. The purpose of this paper is to evaluate virtual assistants from a technical, economical and organisational perspective, in order to understand their performance and value in an industrial environment. This has been done in collaboration with IBM and a client company which prefers to remain anonymous in this report. In this company, two IBM Watson Assistants are under development; one for the IT Service Desk, and one for the Ethics & Compliance department. To cover all aspects of the virtual assistants’ performance, quantitative and qualitative methods were used by conducting user testings and surveys. In this process, discussions have been conducted with IBM experts and employees of the firm for which the practical implementation has been studied, to gain a general and specific understanding from different perspectives. From this paper, the following can be concluded. First, technological performance can be described using quantitative metrics such as coverage, confidence, precision and helpfulness, and should be complemented using qualitative measures such as user satisfaction and perceived user understanding. Second, specific technological performance is relative and the technical limitations as well as it’s maturity should be used as a complement to the evaluation of the assistants. Third, identified organisational benefits include: • reduced time-to-resolution, • reduced handling time, • all-hour-support, • scalability and • user understanding Conclusions specific for the use cases show that an assistant implemented in a narrower use case, that is the Ethics & Compliance assistant, easier can be implemented and performs relatively well also in less developed environments. A broader use case, such as the IT assistant, requires more effort to perform at a high level but may be even more beneficial than in the narrow use case once sufficiently refined.
Från mitten av 1900-talet har virtuella assistenter utvecklats och förfinats där teknologin gått från en mängd regler till assistenter drivna av artificiell intelligens. Idag kan virtuella assistenter tillföra värde till organisationer och bidra till ett hållbart samhälle bland annat genom att utföra enkla och återkommande uppgifter samt minska ojämlikheter orsakad av partiska rådgivare i känsliga frågor. Trots framgången har nuvarande forskning inte fokuserat på evalueringen av virtuella assistenter i industriella sammanhang. Syftet med denna rapport är att utvärdera virtuella assistenter från ett tekniskt, ekonomiskt och organisationellt perspektiv för att förstå dess prestation i industriella miljöer. Arbetet har genomförts i samarbete med IBM och en av deras kunder som föredrar att förbli anonyma. I detta företag är två IBM Watson Assistant under utveckling; en för deras IT Service Desk och en för deras avdelning för Ethics & Compliance. I studien har både kvantitativa och kvalitativa metoder använts, däribland användartestning och frågeformulär, för att inkludera alla aspekter av de virtuella assistenternas prestation. I denna process har diskussioner förts med experter inom IBM samt medarbetare på företaget för vilket den praktiska implementationen studerats för att få en förståelse för både generell och specifik kunskap ur olika perspektiv. I denna rapport kan följande slutsatser dras. Ett, den tekniska prestationen kan bestämmas med kvantitativa mätetal så som täckning (coverage), säkerhet (confidence), precision och hjälpsamhet (helpfulness), och kompletteras med kvalitativa mätetal som användarnöjdhet och upplevd förståelse för användaren. Två, specifik teknisk prestation är relativ och de tekniska  begränsningarna samt mognad bör användas som komplement till utvärderingen av assistenterna. Tre, identifierade organisationsfördelar inkluderar: • reducerad time-to-resolution, • reducerad hanteringstid, • support ¨öppen dygnet runt, • skalbarhet, och • användarförståelse Slutsatserna i de specifika fallen visar att en virtuell assistent som implementeras inom ett smalare område, som en assistent för Ethics & compliance, enklare kan implementeras samt presterar relativt bra även i en mindre utvecklad miljö. Bredare områden, som en assistent för IT-support, kräver mer arbete för att prestera på en hög nivå men kan vara ännu mer värdefull än assistenten i det smala området när den blivit tillräckligt utvecklad.
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Beaver, Ian. "Automatic Conversation Review for Intelligent Virtual Assistants." Thesis, The University of New Mexico, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10816823.

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When reviewing the performance of Intelligent Virtual Assistants (IVAs), it is desirable to prioritize conversations involving misunderstood human inputs. These conversations uncover error in natural language understanding and help prioritize and expedite improvements to the IVA. As human reviewer time is valuable and manual analysis is time consuming, prioritizing the conversations where misunderstanding has likely occurred reduces costs and speeds improvement. A system for measuring the posthoc risk of missed intent associated with a single human input is presented. Numerous indicators of risk are explored and implemented. These indicators are combined using various means and evaluated on real world data. In addition, the ability for the system to adapt to different domains of language is explored. Finally, the system performance in identifying errors in IVA understanding is compared to that of human reviewers and multiple aspects of system deployment for commercial use are discussed.

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Bergman, Karolina, and Daniela Sundin. "Speaking About Voice : A Study on Communicating Brand Personality Through Virtual Assistants." Thesis, Linköpings universitet, Företagsekonomi, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-158658.

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Problematization: Earlier research on brand communication emphasize the importance of communicating a brand consistently throughout all marketing channels and media. Virtual assistants (VAs) are a new marketing media and a relatively new technology with which a brand can communicate with customers. However, the theory and knowledge about how to use it as a communication tool for a brand is limited. With human communication attributes being a unique characteristic of VAs as a marketing medium, it is suggested that these can be used to clarify and supplement the traits of a brand’s personality. Research Questions: How is brand personality communicated via integrated marketing communications? How does communication with VAs affect the consumers’ perception of a brand’s personality? Purpose: This report investigates, through theories on integrated marketing communication, brand and communication, how brand personality can be communicated through a voice. The study also shows how human conversation attributes are of importance in conversation with virtual assistants, and how these affect brand personality. Conclusion: The study has shown that virtual assistants could provide the opportunity to augment a brand’s personality as a result of their ability to adopt human communication attributes. If the conversational expectations are not fulfilled, the impression of the VA, and therefore the brand it represents, will be negatively affected. If VAs overcome the communication and social obstacles, of which some are presented in this study, they can become a valuable medium for communicating brand personality. Knowledge Contribution: This study has given an understanding for human-to-brand conversation through voice and what aspects that may be considered when developing a VA for marketing purposes. A theoretical model has been developed to show how brand personality and communication attributes can affect the brand communication through virtual assistants.
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Fernández, Canales Rocío Daniela, and Salvador Gianfranco Monzón. "Implementación de un capacitador virtual para visitadores médicos con integración de un asistente de voz." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/652326.

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La creciente popularidad y las capacidades mejoradas de los asistentes personales inteligentes, como Google Assistant, Siri y Alexa, han permitido su aplicación en numerosos campos, algunos de los cuales son: servicio al cliente, banca y turismo. No obstante, la aplicación de estos asistentes para la capacitación y el aprendizaje de trabajadores profesionales ha sido limitada y no ha sido bien investigada.   El presente documento validará la propuesta de una solución para la capacitación continua y el aprendizaje de los visitadores médicos sobre la información de los medicamentos mediante el uso de un agente de conversación basado en la voz. Esto permitirá que los representantes de ventas farmacéuticas puedan preguntar al agente acerca de las propiedades de los medicamentos y realizar exámenes frecuentes sobre la información disponible para verificar su conocimiento. Esta validación se realizará a través del seguimiento y aplicación de una metodología de investigación centrada en las soluciones y arquitecturas existentes que brinden una base para iniciar el desarrollo del proyecto.
The increasing popularity and enhanced capabilities of intelligent personal assistants, such as Google Assistant, Siri, and Alexa, have allowed them to disrupt in many fields, some of which are: customer service, banking, and tourism. Notwithstanding, the application of intelligent personal assistants for training and learning of professional workers has been limited and not well researched. This document will validate the proposal of a solution for the continuous training and learning of the medical visitors on the information of the medications using a voice-based conversation agent. This will allow pharmaceutical sales representatives to ask the agent about the properties of the drugs and conduct frequent reviews of the information available to verify their knowledge. This validation will be carried out through the monitoring and application of a research methodology focused on the existing solutions and architectures that provide a basis to start the development of the project.
Trabajo de investigación
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Vizcarra, Christopher, Gabriel Medina, and Alfredo Barrientos. "Implementation of a Fashion Virtual Assistant with the Use of a Kinect v2 Camera and Image Processing." Universidad Peruana de Ciencias Aplicadas (UPC), 2021. http://hdl.handle.net/10757/653792.

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El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.
This article is about the problem and development of a fashion virtual assistant proposed by using a Kinect v2 camera and image processing, for fashion retail stores. It comes up mainly as a response to the inability of providing unique experiences during the shopping process through the use of diverse devices. Because of this, similar virtual assistant solutions, oriented to provide clothing recommendations, were analyzed to be able to provide software that could give a more personalized suggestion for the users based on their physical characteristics.
Revisión por pares
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Zecchinato, Aurora <1997&gt. "Distance Learning and Learner autonomy: a case study on the WAATI virtual program of Italian language assistants." Master's Degree Thesis, Università Ca' Foscari Venezia, 2022. http://hdl.handle.net/10579/21283.

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In the last decade many studies have focused on learner autonomy and its role within the language classroom environment. At the same time, in the last couple of years the Covid-19 health emergency forced many countries all over the world to distance and online learning, with a resulting rediscovery of tools and systems functional for the distance education domain. Up to now, some studies have explored the relation between learner autonomy and distance learning, but the number is still limited. As far as post-pandemic research on this matter is concerned, there is no investigation focusing on these two variables. For these reasons, the present work aims at exploring the relation between learner autonomy and distance learning, by studying the opinions of teachers involved in the WAATI virtual program of language assistants. The program was held in 2021 for the first time virtually due to the pandemic and served as a case study for this research. The methods and instruments used follow the works of Borg and Al Busaidi (2012) and Rinesko and Kurniawan (2020). Despite the fact that in literature there are several studies highlighting the limits and difficulties of distance learning, in this work distance education is seen in a positive light, in particular as an opportunity to foster students’ autonomy. Indeed, the results indicate a positive attitude of teachers towards the relation between learner autonomy and distance learning.
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Osipova, M., Наталія Ігорівна Муліна, Наталия Игоревна Мулина, and Nataliia Ihorivna Mulina. "Voice assistant." Thesis, Sumy State University, 2020. https://essuir.sumdu.edu.ua/handle/123456789/77845.

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Everyday devices become smarter. Thanks to software agent which is called an intelligent virtual assistant (IVA) or intelligent personal assistant we can use our appliances in full. Nowadays there are more than 30 different IVA, but all of them have differences. Popular voice assistants currently include Apple's Siri, Amazon's Alexa, Google Now, Google Assistant and Microsoft's Cortana. Voice assistants are technology-based. Voice assistants are built on artificial intelligence, machine learning and voice recognition technology. These agents can interpret human speech and respond via synthesized voices. They are the point of communication between you and all your connected devices.
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Wang, Rui. "Evaluate the effects of shopping assistants with media richness modalities on presence, consumer involvement and behavior in virtual worlds." Thesis, The University of Sydney, 2010. https://hdl.handle.net/2123/28958.

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The aim of this study is to investigate the relationship between media richness, presence, and consumer behavior in virtual shopping environments. By designing and testing a conceptual framework, which proposes relationships between media richness, presence, consumer involvement, and consumer behavior in online shopping environments, particularly their acceptance with recommendations made by online the shopping system, and their desire to stay in an online shopping environment, research questions will be answered; the main focus of this study is the relationship between media richness modalities and the level of presence. There are 4 research questions in this study: RQ1: How do the modalities of media richness of an online store in virtual worlds affect the level of presence? RQ2: How does the level of presence affect consumers' involvement in a virtual shopping environment? RQ3: How does the level of presence affect consumers' behavior in a virtual shopping environment, in particular, the acceptance of recommendations made by a shopping assistant, and their desires to stay in the virtual shopping environment? RQ4: How does the level of consumers' involvement affect consumers' behavior in a virtual shopping environment, in particular, the acceptance of recommendations made by a shopping assistant, and their desires to stay in the virtual shopping environment? To answer those research questions and to test hypotheses, there will be four different setups in the experiment with only one variable, which is the modality of media richness. The different setups could show the different combination of media richness modalities and their efforts. Furthermore, this study will recruit participants from the virtual world SecondLife, giving them virtual currency and asking them to buy virtual products rather than just browsing. By doing these, the results would be more reliable because the experiment simulates the actual shopping environment in virtual worlds.
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Lawson-Guidigbe, Clarisse. "Assistant virtuel anthropomorphique pour la confiance dans la conduite automatisée." Thesis, Bordeaux, 2022. http://www.theses.fr/2022BORD0189.

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Ce travail de thèse a été consacré à l’exploration de l’usage de deux technologies qui vont à terme transformer notre quotidien : les assistants virtuels et la voiture autonome.Les assistants virtuels ont déjà une place importante dans nos vies et sont en train de révolutionner notre façon d’interagir avec les systèmes en nous proposant une interaction vocale. Nous pouvons désormais, par une simple phrase, obtenir des informations sur la météo ou mettre de la musique. Les voitures autonomes pour leur part, bien qu’elles ne soient pas encore accessibles au public, portent la promesse d’améliorer le confort de la conduite, de réduire les accidents et de fluidifier la circulation sur les routes. Cependant, l’adoption d’une telle technologie nécessite de la confiance de la part des utilisateurs. Il semble que les assistants virtuels, par la nature même de leur interface anthropomorphique, puissent jouer un rôle dans ce contexte. Nous explorons donc le potentiel des assistants virtuels pour augmenter la confiance dans la conduite autonome.Les questions principales abordées dans ce travail concernent d’une part les choix adaptés pour concevoir un assistant virtuel afin que celui-ci soit perçu comme anthropomorphique et digne de confiance. D’autre part, elles concernent l’impact que peut avoir une telle interface dans un cockpit de véhicule autonome sur la perception d’anthropomorphisme et la confiance des utilisateurs. Pour répondre à ces questions, nous avons, dans un premier temps, choisi l’apparence visuelle de l’assistant en évaluant l’impact de différentes représentations visuelles sur la perception d’anthropomorphisme et de confiance. Notre choix s’est porté sur une représentation de type Automate-Humain. Puis, nous avons implémenté cette représentation en trois dimensions et intégré le résultat dans un simulateur de conduite sous la forme d’un hologramme. Pour évaluer l’assistant virtuel, nous avons conduit une expérimentation pour comparer une interface de référence sans assistant virtuel avec deux interfaces intégrant deux versions de l’assistant virtuel. Les résultats montrent que la perception d’anthropomorphisme ne s'accroît pas avec le niveau d’anthropomorphisme. Une corrélation significative vient confirmer l’impact de la perception d’anthropomorphisme sur la confiance. D’autres résultats plus surprenant concernant l’impact de l’assistant virtuel sur la performance ou encore l’impact de l’expérience acquise sur la confiance sont discutés
This thesis work was devoted to exploring the usage of two technologies that will eventually transform our daily lives: virtual assistants and autonomous cars.Virtual assistants already have an important place in our lives and are revolutionizing the way we interact with systems through voice interaction. With a simple sentence, a virtual assistant can get us information about the weather or play music. Autonomous cars, although not yet available to the public, hold the promise of improving driving comfort, reducing accidents, and improving traffic flow on the roads. However, the adoption of such technology requires trust from users. It seems that virtual assistants, by the very nature of their anthropomorphic interface, can play a role in this context. We therefore explore the potential of virtual assistants to increase trust in autonomous driving.The main questions addressed in this work concern, on one hand, the design choices for a virtual assistant so that it is perceived as anthropomorphic and trustworthy. On the other hand, we address the impact that such an interface can have on the perception of anthropomorphism and user trust when included in an autonomous car HMI. To answer these questions, we first chose the visual appearance of the assistant by evaluating the impact of different visual representations on the perception of anthropomorphism and trust. We chose a Mechanical-Human representation. Then, we implemented this representation in three dimensions and integrated the result in a driving simulator as a hologram. To evaluate the virtual assistant, we conducted an experiment which compared a baseline interface without virtual assistant with two interfaces integrating two versions of the virtual assistant. The results show that the perception of anthropomorphism does not increase with the level of anthropomorphism. A significant correlation confirms the impact of perceived anthropomorphism on trust. More surprising results concerning the influence of the virtual assistant on users’ performance or the impact of acquired experience on trust are discussed
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Tran, David, and Jonathan Böcker. "Virtual office assistant on Magic Mirror." Thesis, Malmö högskola, Fakulteten för teknik och samhälle (TS), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-20231.

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Every second, major companies such as Google, Apple, Amazon and Microsoft are col- lecting a great amount of data from users. Photos, voice and texts etc. are stored in the companies massive server parks. With this amount of data, along with technical benefits such as computing power and exceeding algorithms, the companies can train their ma- chine learning models to levels which is hard for a local computing landscape to reach up to.Nowadays, the companies allow developers to use their services and this paper proclaims the benefits of using these. The aim for this thesis is to show how cloud based face recognition and speech recognition can be utilized to create a virtual assistant in Magic Mirror. This new concept opens new possibilities for human-computer interaction.The use case for the assistant was to aid visitors who comes into an office for an appointment with an employee. The prototype of the assistant showed 94% accuracy when identifying faces and fulfilled the task well when the employee name was internationally known, while having difficulties with others, e.g. Swedish names.
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Books on the topic "Virtual Assistants"

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Sabharwal, Navin, and Amit Agrawal. Cognitive Virtual Assistants Using Google Dialogflow. Berkeley, CA: Apress, 2020. http://dx.doi.org/10.1007/978-1-4842-5741-8.

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The virtual assistant handbook. [S.l.]: The Dream PA, 2009.

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Durst, Christine. The 2-second commute: Join the exploding ranks of freelance virtual assistants. Franklin Lakes, NJ: Career Press, 2005.

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L, Canfield Sue, ed. The commonsense virtual assistant: Becoming an entrepreneur not an employee. Rosefield, Calif: BizBā6, 2009.

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Kathy, Bonewit-West, and Wolfsong Informatics, eds. Virtual medical office for Bonewit-West, Hunt, Applegate Today's medical assistant: Clinical and administrative procedures. St. Louis, Mo: Saunders/Elsevier, 2009.

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Chambers, Lily E. How To Do Your Own Small Business Bookkeeping: A Hands-On, Step-by-Step Guide for Entrepreneurs and Virtual Assistants. Columbus, Ohio: Graphico Publishing, 2011.

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Schneider, Georg. Virtual Team Assistant. Wiesbaden: Deutscher Universitätsverlag, 1999. http://dx.doi.org/10.1007/978-3-663-09114-1.

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Pant, Tanay. Building a Virtual Assistant for Raspberry Pi. Berkeley, CA: Apress, 2016. http://dx.doi.org/10.1007/978-1-4842-2167-9.

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Grahan, Sophia. Virtual Assistants. Lulu Press, Inc., 2010.

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Rivero, Erin, and Win Shih. Virtual Voice Assistants. American Library Association, 2020.

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Book chapters on the topic "Virtual Assistants"

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Luce, Leanne. "Virtual Style Assistants." In Artificial Intelligence for Fashion, 75–86. Berkeley, CA: Apress, 2018. http://dx.doi.org/10.1007/978-1-4842-3931-5_5.

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Sri, Mathangi. "NLP in Virtual Assistants." In Practical Natural Language Processing with Python, 185–247. Berkeley, CA: Apress, 2020. http://dx.doi.org/10.1007/978-1-4842-6246-7_5.

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Pant, Tanay. "Introduction to Virtual Assistants." In Building a Virtual Assistant for Raspberry Pi, 1–8. Berkeley, CA: Apress, 2016. http://dx.doi.org/10.1007/978-1-4842-2167-9_1.

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Dille, Flint, and Zane Dille. "Virtual Assistants and Storytelling." In Storytelling for New Technologies and Platforms, 11–22. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003141594-2.

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Pereira, Rodrigo, Arsénio Reis, João Barroso, José Sousa, and Tiago Pinto. "Virtual Assistants Applications in Education." In Communications in Computer and Information Science, 468–80. Cham: Springer Nature Switzerland, 2022. http://dx.doi.org/10.1007/978-3-031-22918-3_38.

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Bönsch, Andrea, Tom Vierjahn, and Torsten W. Kuhlen. "Evaluating Presence Strategies of Temporarily Required Virtual Assistants." In Intelligent Virtual Agents, 387–91. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-47665-0_39.

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Yu, Peng, Jiaying Shen, Peter Z. Yeh, and Brian Williams. "Towards Personal Assistants that Can Help Users Plan." In Intelligent Virtual Agents, 424–28. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-47665-0_47.

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Sabharwal, Navin, and Amit Agrawal. "Introduction to Cognitive Virtual Bots." In Cognitive Virtual Assistants Using Google Dialogflow, 1–11. Berkeley, CA: Apress, 2020. http://dx.doi.org/10.1007/978-1-4842-5741-8_1.

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Corbin, Carina, Fabrizio Morbini, and David Traum. "Creating a Virtual Neighbor." In Natural Language Dialog Systems and Intelligent Assistants, 203–8. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19291-8_19.

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Sabharwal, Navin, Sudipta Barua, Neha Anand, and Pallavi Aggarwal. "The Future of Cognitive Virtual Assistants." In Developing Cognitive Bots Using the IBM Watson Engine, 241–48. Berkeley, CA: Apress, 2019. http://dx.doi.org/10.1007/978-1-4842-5555-1_8.

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Conference papers on the topic "Virtual Assistants"

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Schmidt, Benedikt, Reuben Borrison, Andrew Cohen, Marcel Dix, Marco Gärtler, Martin Hollender, Benjamin Klöpper, Sylvia Maczey, and Shunmuga Siddharthan. "Industrial Virtual Assistants." In UbiComp '18: The 2018 ACM International Joint Conference on Pervasive and Ubiquitous Computing. New York, NY, USA: ACM, 2018. http://dx.doi.org/10.1145/3267305.3274131.

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Enache, Maria Cristina, Constantin Avram, Robert Rusu, and Marius Geru. "Virtual Assistants in Tourism." In International Conference Risk in Contemporary Economy. Dunarea de Jos University of Galati, Romania Faculty of Economics and Business Administration, 2019. http://dx.doi.org/10.35219/rce206705329.

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Arafa, Yasmine, and Abe Mamdani. "Virtual personal service assistants." In the 5th international conference. New York, New York, USA: ACM Press, 2000. http://dx.doi.org/10.1145/325737.325748.

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Siebra, Clauirton, Walter Correia, Marcelo Penha, Jefte Macedo, Jonysberg Quintino, Marcelo Anjos, Fabiana Florentin, Fabio Q. B. da Silva, and Andre L. M. Santos. "Virtual assistants for mobile interaction." In OzCHI '18: 30th Australian Computer-Human Interaction Conference. New York, NY, USA: ACM, 2018. http://dx.doi.org/10.1145/3292147.3292232.

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Rafailidis, Dimitrios, and Yannis Manolopoulos. "Can Virtual Assistants Produce Recommendations?" In the 9th International Conference. New York, New York, USA: ACM Press, 2019. http://dx.doi.org/10.1145/3326467.3326468.

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Carbajal-Pérez, Cristina, Alejandro Catala, and Alberto Bugarín-Diz. "Guidelines for Bimodal Virtual Assistants." In NordiCHI '22: Nordic Human-Computer Interaction Conference. New York, NY, USA: ACM, 2022. http://dx.doi.org/10.1145/3547522.3547688.

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Ahuja, Sanju, and Jyoti Kumar. "Assistant or Master: Envisioning the User Autonomy Implications of Virtual Assistants." In CUI 2022: 4th Conference on Conversational User Interfaces. New York, NY, USA: ACM, 2022. http://dx.doi.org/10.1145/3543829.3544514.

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Leung, Jonathan, Zhiqi Shen, and Chunyan Miao. "Goal-Oriented Modelling for Virtual Assistants." In 2019 IEEE International Conference on Agents (ICA). IEEE, 2019. http://dx.doi.org/10.1109/agents.2019.8929177.

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Lugano, Giuseppe. "Virtual assistants and self-driving cars." In 2017 15th International Conference on ITS Telecommunications (ITST). IEEE, 2017. http://dx.doi.org/10.1109/itst.2017.7972192.

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An, Ni, Alexander Duff, Mahshid Noorani, Steven Weber, and Spiros Mancoridis. "Malware Anomaly Detection on Virtual Assistants." In 2018 13th International Conference on Malicious and Unwanted Software (MALWARE). IEEE, 2018. http://dx.doi.org/10.1109/malware.2018.8659366.

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Reports on the topic "Virtual Assistants"

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Kramer, Mitchell. Virtual Assistant Update. Boston, MA: Patricia Seybold Group, June 2017. http://dx.doi.org/10.1571/pu06-23-17cc.

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Kwon, Wi-Suk, Veena Chattaraman, and Juan Gilbert. Virtual Agent Locus of Control: Cognitive Assistance for Older Consumers’ Online Shopping. Ames: Iowa State University, Digital Repository, 2013. http://dx.doi.org/10.31274/itaa_proceedings-180814-654.

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Collyer, Michael, Tahir Zaman, and Dolf te Lintelo. Displacement and Social Assistance. Institute of Development Studies (IDS), February 2022. http://dx.doi.org/10.19088/basic.2022.029.

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Displacement forms part of virtually any major crisis. It introduces a level of complexity when providing social assistance that leads to a specific, usually context-dependent set of challenges. It is widely recognised that the vast majority of displaced people will travel as short a distance as possible to reach safety, whether as Internally Displaced Persons (IDPs), refugees or irregular migrants in neighbouring countries. Displaced people are disproportionately hosted in low- and middle-income countries, and the length of their displacement is increasing. This highlights the urgent priority of displacement; indeed, it has received sustained attention from the highest levels of global decision-making, particularly since 2016, including two Global Compacts in 2018 (Global Compact for Migration, Global Compact for Safe, Orderly and Regular Migration). Although some have argued that such global summits offer a replacement for meaningful action, these events at least highlight clear political will to shift the emphasis from humanitarian responses to a much longer-term development focus. Interest in social assistance and displacement has also grown since 2018 and resulting policy must respond to this concern for more sustainable responses. High-level commitments are slowly filtering through to policy, while recent research has provided clear frameworks for analysing developing policy approaches. Gaps remain in the analysis of policy implementation and in the assessment of how to access social assistance beyond official state channels.
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Ádám, Zoltán. Politicizing war: Viktor Orbán’s right-wing authoritarian populist regime and the Russian invasion of Ukraine. European Center for Populism Studies (ECPS), March 2023. http://dx.doi.org/10.55271/rp0021.

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Soon after Viktor Orbán returned to power in 2010, Vladimir Putin’s Russia became a strategic ally for Hungary. This was a somewhat surprising development for a country with a history of mass movements for political freedom crushed with the assistance of Russian troops. Yet, unlike virtually all his European allies on the radical and populist Right, Orbán has supported Putin even during his campaign against Ukraine. As this has not been without political and economic costs for Hungary, the question emerges as to why Orbán has been so loyal to Putin. The report presents three complementary explanations: (1) the traditional animosity Hungarian governments have shown toward Kyiv in the past three decades; (2) blaming the European Union and the pro-Ukraine Western alliance for economic hardship in Hungary; (3) endorsing Putin’s totalitarian turn in Russia to suggest that a similar course of political developments in Hungary is not excluded either. Worryingly, considerable institutional measures in the latter direction in the form of states of danger, continuously implemented since March 2020, have already been taken.
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Strengthening reproductive health services in Africa through Operations Research. Population Council, 1999. http://dx.doi.org/10.31899/rh1999.1016.

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The health status of women, men, and children in sub-Saharan Africa remains the poorest in the world. Moreover, virtually every country in the region is suffering mediocre economic growth or economic decline, thereby reducing the ability of their health care systems to respond adequately, and increasing dependence on external donor assistance. In terms of reproductive health (RH), the region is faced with high levels of unwanted fertility; high levels of maternal, child, and infant morbidity and mortality; and an almost exponential growth in HIV prevalence. Access to and quality of RH services remains poor in most countries, thereby maintaining unmet need for even the most basic RH services. Despite this situation, RH services in Africa are receiving tremendous attention from governments, NGOs, donors, and technical assistance organizations. This report states that the objective of the Africa OR/TA Project II was to broaden understanding of how to improve family planning (FP) and other RH services in sub-Saharan Africa through applying operations research (OR) and technical assistance. The project supported activities in 13 countries and 47 OR studies that contributed to strengthening FP and other RH services.
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