Conversational Agent 2013

See also:

100 Best Theses in AI & NLP (Conversational Agents)Conversational Agent 2011 | Conversational Agent 2012 | Conversational Agent 2014Conversational Agent Timeline | Conversational Expert | Conversational Interfaces 2011 | Conversational Recommender Systems | Conversational Systems | Google Patents Search for Conversational Agents

Towards academically productive talk supported by conversational agents G Dyke, I Howley, D Adamson, R Kumar… – … multivocality in the …, 2013 – Springer Abstract In the past 6 years, technology for dynamic support for collaborative learning has matured both in terms of its ability to monitor online interaction through automatic collaborative learning process analysis as well as to offer context appropriate support for … Cited by 17 Related articles All 9 versions

Enhancing scientific reasoning and discussion with conversational agents G Dyke, D Adamson, I Howley… – … , IEEE Transactions on, 2013 – Abstract—This paper investigates the use of conversational agents to scaffold online collaborative learning discussions through an approach called academically productive talk (APT). In contrast to past work on dynamic support for collaborative learning, which has … Cited by 14 Related articles All 8 versions

Gaining insights from sociolinguistic style analysis for redesign of conversational agent based support for collaborative learning I Howley, R Kumar, E Mayfield, G Dyke… – Productive multivocality in …, 2013 – Springer Abstract Data from an early stage of development of conversational agent based support for collaborative learning provides an ideal resource for demonstrating the value of sociolinguistic style analysis paired with time series visualizations as part of an iterative … Cited by 13 Related articles All 5 versions

Automated interventions for multiple health behaviors using conversational agents TW Bickmore, D Schulman, C Sidner – Patient education and counseling, 2013 – Elsevier Objective An automated health counselor agent was designed to promote both physical activity and fruit and vegetable consumption through a series of simulated conversations with users on their home computers. Methods The agent was evaluated in a 4-arm … Cited by 12 Related articles All 6 versions

Negobot: A conversational agent based on game theory for the detection of paedophile behaviour C Laorden, P Galán-García, I Santos, B Sanz… – … Joint Conference CISIS’ …, 2013 – Springer Abstract Children have been increasingly becoming active users of the Internet and, although any segment of the population is susceptible to falling victim to the existing risks, they in particular are one of the most vulnerable. Thus, some of the major scourges of this … Cited by 4 Related articles All 11 versions

A statistical simulation technique to develop and evaluate conversational agents D Griol, J Carbo, JM Molina – AI Communications, 2013 – IOS Press In this paper, we present a technique for developing user simulators which are able to interact and evaluate conversational agents. Our technique is based on a statistical model that is automatically learned from a dialog corpus. This model is used by the user … Cited by 4 Related articles All 2 versions

The sound of trust: Voice as a measurement of trust during interactions with embodied conversational agents AC Elkins, DC Derrick – Group Decision and Negotiation, 2013 – Springer Abstract Trust is a critical component in effective collaboration, decision-making and negotiation. The goal of effective team leaders should be to send signals and messages that increase trust. We attempt to determine if signals can vary perceptions of trustworthiness … Cited by 4 Related articles All 5 versions

Architectural design and implementation of intelligent embodied conversational agents using fuzzy knowledge base K Hassani, A Nahvi, A Ahmadi – Journal of Intelligent and Fuzzy Systems, 2013 – IOS Press In this paper, a general architecture is proposed for developing embodied conversational agents with fuzzy ontology knowledge base. The proposed architecture enables agents to interact with the user via multimodal channels in a virtual reality environment for the … Cited by 3 Related articles All 3 versions

Timing and entrainment of multimodal backchanneling behavior for an embodied conversational agent B Inden, Z Malisz, P Wagner, I Wachsmuth – Proceedings of the 15th …, 2013 – Abstract We report on an analysis of feedback behavior in an Active Listening Corpus as produced verbally, visually (head movement) and bimodally. The behavior is modeled in an embodied conversational agent and displayed in a conversation with a real human to … Cited by 3 Related articles All 2 versions

A Theoretical Justification for Using Embodied Conversational Agents (ECAs) to Augment Accounting-Related Interviews MD Pickard, MB Burns, KC Moffitt – Journal of Information Systems, 2013 – ABSTRACT: In today’s increasingly complex business environment, accounting firms face additional pressures regarding cost reduction, engagement scope, and attention to quality. This paper proposes that embodied conversational agents (ECAs) are particularly well … Cited by 3 Related articles All 3 versions

An Automatic Dialog Simulation Technique to Develop and Evaluate Interactive Conversational Agents D Griol, J Carbó, JM Molina – Applied Artificial Intelligence, 2013 – Taylor & Francis During recent years, conversational agents have become a solution to provide straightforward and more natural ways of retrieving information in the digital domain. In this article, we present an agent-based dialog simulation technique for learning new dialog … Cited by 3 Related articles All 4 versions

Embodied conversational agents as peer collaborators: Effects of multiplicity and modality Y Hayashi, K Ono – RO-MAN, 2013 IEEE, 2013 – Abstract—The goal of this study was to investigate the efficient use of role-taking embodied conversational agents in the facilitation of creative cognition during collaborative activities. Two factors were investigated through an experimental design addressing the number of … Cited by 2 Related articles

Development and validation of the conversational agents scale (CAS). I Wechsung, B Weiss, C Kühnel, P Ehrenbrink… – …, 2013 – Abstract The gulf between user and system can be minimized by adapting the system to the user’s natural characteristics. Socalled anthropomorphic interfaces represent one strategy of such an adaption as they are assumed to provide a more human-like and therefore more … Cited by 2 Related articles All 3 versions

An Empirical Study on the Effects of Embodied Conversational Agents on User Retention Performance and Perception in a Simulated Mobile Environment. I Doumanis, S Smith – Intelligent Environments (Workshops), 2013 – Abstract. The paper presents a user study designed to examine the impact of the presence of a multimodal ECA on the user’s ability to retain content of cultural value with variable degree of difficulty (ie, technical and simple content). The study was conducted in the lab, … Cited by 2 Related articles All 8 versions

Learning Newtonian Physics with Conversational Agents and Interactive Simulations AC Graesser, D Franceschetti… – … cognitive science goes …, 2013 – Newtonian physics is an area of science that is part of the curriculum in middle and high schools throughout the country. It is easy to set up demonstrations of physics principles that are easy to observe and provocative to talk about. Students drop objects of different size … Cited by 2 Related articles

An exploratory study on how children interact with pedagogic conversational agents D Pérez-Marín, I Pascual-Nieto – Behaviour & Information …, 2013 – Taylor & Francis A pedagogic conversational agent (PCA) can be defined as a computer system that interacts with the student in natural language assuming the role of the instructor, a student or a companion. It can have a personality and can generate different sentences according to … Cited by 2 Related articles All 4 versions

Gaze awareness in conversational agents: Estimating a user’s conversational engagement from eye gaze R Ishii, YI Nakano, T Nishida – ACM Transactions on Interactive …, 2013 – Abstract In face-to-face conversations, speakers are continuously checking whether the listener is engaged in the conversation, and they change their conversational strategy if the listener is not fully engaged. With the goal of building a conversational agent that can … Cited by 2 Related articles

Conversational gaze aversion for virtual agents S Andrist, B Mutlu, M Gleicher – Intelligent Virtual Agents, 2013 – Springer … Memory & Cognition 26(4), 651–658 (1998) 13. Heylen, D., Van Es, I., Van Dijk, E., Nijholt, A., van Kuppevelt, J., Dybkjaer, L., Bernsen, N.: Experimenting with the gaze of a conversational agent. … 17. Pelachaud, C., Bilvi, M.: Modelling gaze behavior for conversational agents. … Cited by 6 Related articles All 5 versions

Evaluating humanoid embodied conversational agents in mobile guide applications I Doumanis – 2013 – Evolution in the area of mobile computing has been phenomenal in the last few years. The exploding increase in hardware power has enabled multimodal mobile interfaces to be developed. These interfaces differ from the traditional graphical user interface (GUI), in … Cited by 1 Related articles All 3 versions

Pedagogical conversational agents for supporting collaborative learning: Effects of communication channels Y Hayashi – CHI’13 Extended Abstracts on Human Factors in …, 2013 – Abstract The present study investigated how a computer-based conversational agent facilitates better explanations from students in a collaborative activity. Pairs of students performed a task where they attempted to explain to their partners the meanings of … Cited by 1 Related articles

A Conversational Agent-based Clinical Trial Search Engine D Utami, B Barry, T Bickmore… – Proceedings of the Annual …, 2013 – Citeseer ABSTRACT The design and evaluation of a web-based search engine for cancer clinical trials is described. The search task is framed as a conversation with an animated agent in order to make it accessible to individuals with low health and computer literacy. … Cited by 1 Related articles All 4 versions

Roundtable: An online framework for building web-based conversational agents E Forbell, N Kalisch, F Morbini, K Christoffersen… – Proceedings of …, 2013 – Abstract We present an online system that provides a complete web-based sandbox for creating, testing and publishing embodied conversational agents. The tool, called Roundtable, empowers many different types of authors and varying team sizes to create … Cited by 1 Related articles All 9 versions

Adaptive virtual rapport for embodied conversational agents I Gris Sepulveda – Proceedings of the 15th ACM on International …, 2013 – Abstract In this paper I describe my research goals and hypotheses regarding human- computer relationships with embodied conversational agents (ECAs). I include important studies of related research that inform and direct my own efforts. I explain the current state … Cited by 1 Related articles

The Role of Embodied Conversational Agents in Collaborative face to face Computer Supported Learning Games P Craig, N Roa-Seïler, MM Díaz… – Proc. 26th International …, 2013 – ABSTRACT Studies show that face to face collaborative videogames have a great potential to improve the quality of education in the classroom of the future. Educational games can help pupils increase cognitive skills, increase motivation and reduce the time taken to … Cited by 1 Related articles

Affective Interfaces of Embodied Conversational Agents YC Hsu – International Journal of Affective Engineering, 2013 – The visual representations of intelligent agents draw increasing attention recently. Additionally, the first impression of humans toward agents is the visual representations. How these man-made creatures’ looks determine users’ will to interact with. This research … Cited by 1 Related articles All 2 versions

[BOOK] Identifying and exploring factors affecting embodied conversational agent social presence for interpersonal skills training JH Chuah – 2013 – Abstract: Embodied conversational agents (ECAs) have been used as virtual conversational partners in interpersonal skills training applications such as medical interviews, military decision making, and cultural training. Ideally, in interpersonal skills training users will … Cited by 1 Related articles

Towards an Expressive Embodied Conversational Agent Utilizing Multi-Ethnicity to Augment Solution Focused Therapy. M Allison, LM Kendrick – FLAIRS Conference, 2013 – Abstract In this article, we present ongoing research, EMO, an affective embodied conversational agent platform, aimed at depicting multi-ethnic, multi-modal communication patterns in a credible manner. We employ the methodology of integrating counseling … Cited by 1 Related articles All 2 versions

Asymmetric facial expressions: revealing richer emotions for embodied conversational agents J Ahn, S Gobron, D Thalmann… – Computer Animation and …, 2013 – Wiley Online Library ABSTRACT In this paper, we propose a method to achieve effective facial emotional expressivity for embodied conversational agents by considering two types of asymmetry when exploiting the valence–arousal–dominance representation of emotions. Indeed, the … Cited by 2 Related articles All 7 versions

[BOOK] A survey of listener behavior and listener models for embodied conversational agents E Bevacqua – 2013 – One of the major issues that must be pursued when developing Embodied Conversational Agents (ECAs) is to create virtual humanoids able to sustain natural and satisfying interactions with users. For this, ECAs must be endowed with human-like capabilities not … Cited by 1 Related articles All 5 versions

Effectiveness of gaze-based engagement estimation in conversational agents R Ishii, R Ooko, YI Nakano, T Nishida – Eye Gaze in Intelligent User …, 2013 – Springer Abstract In face-to-face conversations, speakers monitor the listener’s gaze to check whether the listener is engaged in the conversation. The speaker may change the conversational strategy if the listener is not fully engaged in the conversation. In this chapter, we propose … Cited by 1 Related articles All 3 versions

User-centric need-driven affect modeling for spoken conversational agents: design and evaluation L Lutfi, S Binti – 2013 – It is easy to get frustrated at spoken conversational agents (SCAs), perhaps because they seem to be callous. By and large, the quality of human-computer interaction is affected due to the inability of the SCAs to recognise and adapt to user emotional state. Now with the … Cited by 1 Related articles All 3 versions

An embodied conversational agent in a mobile health coaching application JK Hendrix – Master’s thesis, University of Twente, 2013 – Citeseer Abstract Sedentary lifestyles are increasingly common in modern day society. This is becoming a serious problem, as a lack of physical activity can not only lead to overweight and obesity, but also increases the risk of many other health problems. In order to … Cited by 1 Related articles All 2 versions

An Interactive Approach of Online Software Customization via Conversational Web Agents X Yuan, X Zhang – … (GreenCom), 2013 IEEE and Internet of …, 2013 – … things with their virtual representations in the Internet of Things, researchers have started working on the construction of the next generation of virtual world, especially in regarding to the consistent virtualization of objects/things [31] and the use of conversational agents as Web … Cited by 2 Related articles All 2 versions

Design and Implementation of Conversational Agents for Harvesting Feedback in eLearning Systems KO Lundqvist, G Pursey, S Williams – Scaling up Learning for Sustained …, 2013 – Springer Abstract Traditionally conversational interfaces, such as chatbots, have been created in two distinct ways. Either by using natural language parsing methods or by creating conversational trees that utilise the natural Zipf curve distribution of conversations using a … Related articles All 3 versions

A Procedure to Create a Pedagogic Conversational Agent in Secondary Physics and Chemistry Education D Pérez-Marín, A Boza – International Journal of Information and …, 2013 – Abstract Pedagogic Conversational Agents are computer applications that can interact with students in natural language. They have been used with satisfactory results on the instruction of several domains. The authors believe that they could also be useful for the … Related articles All 2 versions

Interpersonal Stance and Turn-taking Behaviour in a Conversational Agent System M Bruijnes, T Krikke, R op den Akker – BOOK OF ABSTRACTS OF …, 2013 – Embodied conversational agents have a hard time exhibiting natural, humanlike turn-taking behaviour. Most systems that have a turn taking manager (TTM) more or less implement the Sacks, Schegloff and Jefferson (SSJ) rules, which often leads to unnaturally rigid turn- … All 3 versions

Utilizing Embodied Conversational Agents for College Writing Labs K Gosha, R Bassy, C Falcone, D Bascelli… – World Conference on E- …, 2013 – Abstract This research aims to reduce the stress on the writing centers’ personnel and expand the center’s offerings by providing students with web-based assistance using an Embodied Conversational Agent (ECA). The goals of this research are to construct and … Related articles

MentorChat: A Teacher-Configurable Conversational Agent That Promotes Students’ Productive Talk S Tegos, S Demetriadis, A Karakostas – Scaling up Learning for Sustained …, 2013 – Springer Abstract MentorChat is a CSCL system that utilizes a conversational pedagogical agent to engage students in fruitful collaboration. This conversational agent attempts to promote students’ productive dialogue by providing unsolicited prompts aimed to elicit explicit … Related articles All 2 versions

Facilitating Perspective Taking in Groups: An Analysis Using Multiple Conversational Agents Y Hayashi – International Journal of Software Science and …, 2013 – Abstract The present study investigates the nature of egocentric biases in a situation where a speaker is surrounded by social actors with different perspectives. In this context, the author investigated how communication channels function to ease egocentric bias during … Related articles

Eye Effects Modeled in an Embodied Conversational Agent and the Human Ability of Detecting Deception R ten Buuren – 2013 – ABSTRACT Embodied Conversational Agents (ECAs) are graphical embodied agents used for communication with the computer using facial expressions, gestures and other behavior that is natural in human conversations. Some communication abilities are still missing, … Related articles

Emotion Animation of Embodied Conversational Agents with Contextual Control Model X Yuan, R Vijayarangan – … ), 2013 IEEE and Internet of Things ( …, 2013 – Abstract—Presented in this paper is part of an ongoing project on software customization, with a focus on emotion animation for the development of embodied conversational agents. This paper first highlights an interactive approach of online software customization, and … Related articles All 2 versions

Conversational Agents as Full-Pledged BDI Agents for Ambient Intelligence A Mustapha, MS Ahmad, A Ahmad – Ambient Intelligence-Software and …, 2013 – Springer Abstract The need for conversational agents based on the Belief-Desire-Intention (BDI) architecture rise to support natural interfaces in many application areas of ambient intelligence, among which are the smart homes, health monitoring and assistance, care … Related articles All 3 versions

Cognitive aspects of embodied conversational agents CG Smith – 2013 – Embodied Conversational Agents (ECA) seek to provide a more natural means of interaction for a user through conversation. ECA build on the dialogue abilities of spoken dialogue systems with the provision of a physical or virtual avatar. The rationale for this Thesis is … Related articles All 3 versions

The production of a reminiscing conversational agent and the implementation of an ontology of reminiscence Collette Curry, James O’Shea, Keeley Crockett … C Curry – Background In 2008, 1.3 million people in the United Kingdom were aged 85 and over; this number is projected to reach 3.3 million by 2033 [1]. Aging memory impairment problems will become more acute as the population profile changes [1]. Improvement of memory … Related articles

The application of embodied conversational agents for mentoring African American STEM doctoral students K Gosha – 2013 – Abstract This dissertation presents the design, development and short-term evaluation of an embodied conversational agent designed to mentor human users. An embodied conversational agent (ECA) was created and programmed to mentor African American … Related articles All 3 versions

‘You are such a nice person!’: Complementing embodied conversational agents by implementing compliments C Jansen, L Oud, J Post – ABSTRACT In this paper we describe our study investigating the impact of compliments on the experience of embodied conversational agents. A total of 137 participants were involved in this study, either in the pre-test aimed at selecting the compliments or the experiment … Related articles

Caesar: A Response Retrieval System for Conversational Agents JL McClendon, NA Mack, LF Hodges – 2013 – Abstract A conversational agent is a computer system capable of interacting with a human using natural language as a form of input. Conversational agents have been employed in various domains including intelligent tutoring systems, health care systems, simulation …

XNAgent: Authoring Embodied Conversational Agents for Tutor-User Interfaces AM Olney, P Hays, WL Cade – AIED 2013 Workshops Proceedings Volume …, 2013 – Citeseer Abstract. Embodied conversational agents are virtual characters that engage users in conversation with appropriate speech, gesture, and facial expression. The high cost of developing embodied conversational agents has led to a recent increase in open source … Related articles All 4 versions

I Feel You: The Design and Evaluation of a Domotic Affect-Sensitive Spoken Conversational Agent SL Lutfi, F Fernández-Martínez, J Lorenzo-Trueba… – Sensors, 2013 – Abstract: We describe the work on infusion of emotion into a limited-task autonomous spoken conversational agent situated in the domestic environment, using a need-inspired task-independent emotion model (NEMO). In order to demonstrate the generation of affect … Related articles All 16 versions

The SCHOLAR Legacy: A New Look at the Affordances of Semantic Networks for Conversational Agents in Intelligent Tutoring Systems DM Morrison, V Rus – AIED 2013 Workshops Proceedings Volume 7, 2013 – Citeseer Abstract. The time is ripe for a new look at the affordances of semantic networks as backbone structures for knowledge representation in intelligent tutoring systems (ITSs). While the semantic space approach has undeniable value, and will likely continue to be … Related articles All 3 versions

Evaluation of Embodied Conversational Agents C Brandão, LP Reis, AP Rocha – Information Systems and …, 2013 – Abstract-This paper proposes a platform which allows to evaluate the performance of an Embodied Conversational Agent and the influence of several distinct multimedia elements. Using the “Imitation Game” as described by Alan Turing as a starting point and motivation, … Related articles

Representing affective facial expressions for robots and embodied conversational agents by facial landmarks C Liu, J Ham, E Postma, C Midden, B Joosten… – International Journal of …, 2013 – Springer Abstract Affective robots and embodied conversational agents require convincing facial expressions to make them socially acceptable. To be able to virtually generate facial expressions, we need to investigate the relationship between technology and human … Related articles All 5 versions

TTS-driven Synthetic Behavior Generation Model for Embodied Conversational Agents I Mlakar, Z Kacic, M Rojc – Coverbal Synchrony in Human- …, 2013 – Communication is a concept of information exchange. It incorporates speech perception, visual perception, and understanding. These concepts are correlated by sets of complex and interspersed conscious and subconscious processes. The complementary nature of … Related articles All 2 versions

User’s utterance classification using machine learning for Arabic Conversational Agents M Hijjawi, Z Bandar, K Crockett – Computer Science and …, 2013 – Abstract This paper presents a novel technique for the classification of Arabic sentences as Dialogue Acts, based on structural information contained in Arabic function words. It focuses on classifying questions and non-questions utterances as they are used in Conversational … Related articles

Information Sharing Network targeted at Embodied Conversational Agents embedded in Interactive Kiosks JMF Jorge – Abstract. Cultural Heritage symbolizes the aggregation of lifestyles practiced by our ancestors and is an important historical entity that needs to be conveyed over to future generations. Following the ideology of preserving Cultural Heritage, it becomes necessary … Related articles

Iterative Development and Evaluation of a Social Conversational Agent A Silvervarg, A Jönsson – International Joint Conference on Natural …, 2013 – Abstract We show that an agent with fairly good social conversational abilities can be built based on a limited number of topics and dialogue strategies if it is tailored to its intended users through a high degree of user involvement during an iterative development process. … Related articles All 6 versions

Mobile embodied conversational agent for task specific applications M Santos-Perez, E Gonzalez-Parada… – Consumer …, 2013 – Abstract——In the recent years major efforts have been made to promote the use of virtual assistants on mobile devices. But in most cases these assistants can only manage a limited and predetermined set of applications. Other limitation that makes difficult the adoption of … Related articles