David L Roberts

Works (41)

Updated: April 5th, 2024 08:06

2024 journal article

Automated Image Analysis for Detection of Coccidia in Poultry

ANIMALS, 14(2).

By: I. Kellogg n, D. Roberts n & R. Crespo n

author keywords: Artificial Intelligence; coccidiosis; computer vision; oocyst
Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 29, 2024

2023 article

An Exploration of Machine Learning Methods for Gait Analysis of Potential Guide Dogs

TENTH INTERNATIONAL CONFERENCE ON ANIMAL-COMPUTER INTERACTION, ACI 2023.

By: Y. Wu n, C. Nichols n, M. Foster n, D. Martin n, J. Dieffenderfer n, M. Enomoto n, B. Lascelles n, J. Russenberger ...

author keywords: Guide Dog; Canine Behavior Analysis; Canine Gait Analysis; IMU; Machine Learning
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 22, 2024

2023 article

The Engineering Mindset Is an Ethical Mindset (We Just Don't Teach It That Way ... Yet)

IEEE SOFTWARE, Vol. 40, pp. 103–110.

By: T. Menzies n, B. Johnson*, D. Roberts n & L. Alvarez n

author keywords: Ethics; Software
TL;DR: A proof-by-example of a CS class syllabus that enables an ethical engineering mindset while (b) not detracting from core technical topics is offered. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: June 12, 2023

2023 article

Toward In-the-Field Canine Manifold Learning: Data Fusion for Evaluation of Potential Guide Dogs

TENTH INTERNATIONAL CONFERENCE ON ANIMAL-COMPUTER INTERACTION, ACI 2023.

By: D. Martin n, D. Roberts n & A. Bozkurt n

author keywords: manifold learning; LSTM; autoencoder; KPCA; canine monitoring
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Source: Web Of Science
Added: March 18, 2024

2023 article

Towards a Multimodal Synchronized System for Quantifying Psychophysiological States in Canine Assisted Interactions

TENTH INTERNATIONAL CONFERENCE ON ANIMAL-COMPUTER INTERACTION, ACI 2023.

author keywords: human-canine interaction; pet therapy; psychophysiology; internet of things; physiological sensing; behavioral tracking; heart rate; electrodermal activity; accelerometer
Source: Web Of Science
Added: March 18, 2024

2022 article

Comparing Accelerometry and Depth Sensing-Based Computer Vision for Canine Tail Wagging Interpretation

NINTH INTERNATIONAL CONFERENCE ON ANIMAL-COMPUTER INTERACTION, ACI 2022.

By: D. Martin n, T. Holder n, C. Nichols n, J. Park n, D. Roberts n & A. Bozkurt n

author keywords: Computer Vision; IMU; Animal-Computer Interaction; Interpretability
TL;DR: The preliminary findings support that the higher-resolution and continuous interpretations on the dog tail movements and positions can pave the way for assessing their emotional states and designing more appropriate training and play environments. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: December 18, 2023

2022 article

Contact-Free Simultaneous Sensing of Human Heart Rate and Canine Breathing Rate for Animal Assisted Interactions

NINTH INTERNATIONAL CONFERENCE ON ANIMAL-COMPUTER INTERACTION, ACI 2022.

By: T. Holder n, M. Rahman n, E. Summers n, D. Roberts n, C. Wong n & A. Bozkurt n

author keywords: human-canine interaction; contact-free physiological sensing; computer vision; signal processing
TL;DR: This preliminary effort toward a contact-free approach to facilitate AAI assessment via the physiological sensing of humans and canines using consumer-grade cameras focuses on verifying the technological feasibility of remotely sensing the heart rate signal of the human subject and the breathing rates of the dog subject while they are interacting. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: December 18, 2023

2022 article

Motion-Resilient ECG Signal Reconstruction from a Wearable IMU through Attention Mechanism and Contrastive Learning

NINTH INTERNATIONAL CONFERENCE ON ANIMAL-COMPUTER INTERACTION, ACI 2022.

By: J. Wang n, M. Foster n, A. Bozkurt n & D. Roberts n

author keywords: ECG; Inertial Measurement Unit; Machine Learning; Deep Neural Network
TL;DR: This study investigated two artificial neural network architectures to overcome severe noise artifacts in the IMU signal resulting from dogs’ movements and environmental factors and proposed and evaluated a machine learning framework that reconstructs ECG signals from IMU signals even under moderate to heavy movements. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: December 18, 2023

2022 journal article

Preliminary Evaluation of a System with On-Body and Aerial Sensors for Monitoring Working Dogs

SENSORS, 22(19).

By: M. Foster n, T. Wu n, D. Roberts n & A. Bozkurt n

author keywords: ECG; heart rate variability; electrodes; machine learning; 3D printing; wearable; drone; UAV; embedded system
MeSH headings : Algorithms; Animals; Dogs; Electrocardiography; Heart Rate; Monitoring, Physiologic; Working Dogs
TL;DR: An initial effort towards deployment of on-body and aerial sensors to monitor the working dogs and their environments during scent detection and search and rescue tasks in order to ensure their welfare, enable novel dog-machine interfaces, and allow for higher success rate of remote and automated task performance is presented. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: October 24, 2022

2022 article

Spatial and Temporal Analytic Pipeline for Evaluation of Potential Guide Dogs Using Location and Behavior Data

NINTH INTERNATIONAL CONFERENCE ON ANIMAL-COMPUTER INTERACTION, ACI 2022.

author keywords: Guide Dog; Canine Behavior Analysis; Feature Extraction; IMU; Machine Learning; Clustering
TL;DR: A preliminary data analysis workflow is demonstrated that is able to provide detailed information about candidate guide dogs’ day to day physical exercise levels and gait activities using objective environmental and behavioral data collected from a wearable collar-based Internet of Things device. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 30, 2023

2021 journal article

Development of a Dissemination Platform for Spatiotemporal and Phylogenetic Analysis of Avian Infectious Bronchitis Virus

FRONTIERS IN VETERINARY SCIENCE, 8.

By: M. Jara n, R. Crespo n, D. Roberts n, A. Chapman n, A. Banda* & G. Machado n

Contributors: M. Jara n, R. Crespo n, D. Roberts n, A. Chapman n, A. Banda* & G. Machado n

author keywords: infectious bronchitis; virus evolution; outbreak analytics; avian disease; evolutionary epidemiology
TL;DR: The results could allow producers and veterinarians to monitor in near-real time the current IBV strain circulating, making it more informative, for example, in vaccination-related decisions. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: June 14, 2021

2020 journal article

A Systematic Literature Review of Animal-Assisted Interventions in Oncology (Part I): Methods and Results

Integrative Cancer Therapies, 19, 1–19.

By: T. Holder n, M. Gruen n, D. Roberts n, T. Somers* & A. Bozkurt n

author keywords: animal-assisted interventions; animal-assisted activities; animal-assisted therapy; oncology; cancer; human-animal bond; quantitative
MeSH headings : Affect; Animal Assisted Therapy; Animals; Dogs; Humans; Medical Oncology; Neoplasms / drug therapy; Quality of Life
TL;DR: This systematic literature review focuses on the research methods and quantitative results of AAI studies in oncology and finds methodological consistency in the use of canines as therapy animals, in the types of high-risk patients excluded from studies, and in the infection precautions taken with therapy animals throughout cancer wards. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: September 14, 2020

2020 review

A Systematic Literature Review of Animal-Assisted Interventions in Oncology (Part II): Theoretical Mechanisms and Frameworks

[Review of ]. INTEGRATIVE CANCER THERAPIES, 19.

By: T. Holder n, M. Gruen n, D. Roberts n, T. Somers* & A. Bozkurt n

author keywords: animal-assisted interventions; animal-assisted activities; animal-assisted therapy; oncology; cancer; human-animal bond; mechanisms; theoretical frameworks
MeSH headings : Animals; Humans; Medical Oncology; Quality of Life
TL;DR: This review aids progress toward a unified theoretical framework and toward more holistic cancer treatments by discussing concepts of neurobiological transduction connecting mechanisms to AAI benefits. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: January 19, 2021

2020 journal article

Preliminary Evaluation of a Wearable Sensor System for Heart Rate Assessment in Guide Dog Puppies

IEEE SENSORS JOURNAL, 20(16), 9449–9459.

By: M. Foster n, R. Brugarolas n, K. Walker n, S. Mealin n, Z. Cleghern n, S. Yuschak n, J. Clark n, D. Adin n ...

author keywords: ECG; heart rate variability; electrodes; machine learning; 3D printing; wearable
TL;DR: A novel wireless heart rate sensing system for puppies in training as guide dogs that includes a harness with on-board electrocardiography front-end circuit, inertial measurement unit and a micro-computer with wireless capability is developed. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 10, 2020

2018 journal article

Simultaneous Monitoring of Canine Heart Rate and Respiratory Patterns During Scent Detection Tasks

IEEE SENSORS JOURNAL, 19(4), 1454–1462.

By: R. Brugarolas n, S. Yuschak n, D. Adin n, D. Roberts n, B. Sherman n & A. Bozkurt n

author keywords: Sniffing; tachogram; PSD; wearable; ECG
TL;DR: These contributions pave the way for a novel real-time cybernetic olfactory detection monitoring system to provide decision support for handlers in the field in addition to enabling future computer-sniffing dog interfaces. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: February 18, 2019

2017 conference paper

Predicting future states in dota 2 using value-split models of time series attribute data

Proceedings of the 12th International Conference on the Foundations of Digital Games (FDG'17).

By: Z. Cleghern, S. Lahiri, O. Ozaltin & D. Roberts

Source: NC State University Libraries
Added: August 6, 2018

2017 chapter

Stimulus Control for Semi-autonomous Computer Canine-Training

In Biomimetic and Biohybrid Systems (pp. 279–290).

By: J. Majikes n, S. Yuschak n, K. Walker n, R. Brugarolas n, S. Mealin n, M. Foster n, A. Bozkurt n, B. Sherman n, D. Roberts n

TL;DR: A semi-autonomous, canine-training system by combining existing research in Applied Behavior Analysis with computer systems consisting of hardware, software, audio, and visual components capable of autonomously training a dog to perform a specific behavior on command. (via Semantic Scholar)
UN Sustainable Development Goal Categories
10. Reduced Inequalities (OpenAlex)
Source: Crossref
Added: February 24, 2020

2016 journal article

Balancing noise sensitivity, response latency, and posture accuracy for a computer-assisted canine posture training system

INTERNATIONAL JOURNAL OF HUMAN-COMPUTER STUDIES, 98, 179–195.

By: J. Majikes n, R. Brugarolas n, M. Winters n, S. Yuschak n, S. Mealin n, K. Walker n, P. Yang n, B. Sherman n, A. Bozkurt n, D. Roberts n

author keywords: Animal-computer interaction; Classification algorithm; Machine learning; Random Forest; Wearable technology
TL;DR: Results indicate that with proper parameter tuning, the system can successfully capture and reinforce postures to provide computer-assisted training of dogs and to provide a model for future ACI technologies. (via Semantic Scholar)
UN Sustainable Development Goal Categories
1. No Poverty (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Human Subtlety Proofs: Using Computer Games to Model Cognitive Processes for Cybersecurity

INTERNATIONAL JOURNAL OF HUMAN-COMPUTER INTERACTION, 33(1), 44–54.

By: I. Dominguez n, P. Goodwin n, D. Roberts n & R. St Amant n

TL;DR: An emerging direction in the intersection between human–computer interaction and cognitive science: the use of cognitive models to give insight into the challenges of cybersecurity (cyber-SA) is described. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 article

Semi-supervised Classification of Static Canine Postures Using the Microsoft Kinect

PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE ON ANIMAL-COMPUTER INTERACTION, ACI 2016.

By: S. Mealin n, I. Dominguez n & D. Roberts n

author keywords: Animal-computer interaction; Canine; Posture classification; Semi-supervised learning; Microsoft Kinect; Computer vision
TL;DR: A system capable of identifying static postures for canines that does not rely on hand-labeled data at any point during the process is presented, and a model of the canine is created based on measurements automatically obtained in from the first few captured frames, reducing the burden on users. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 conference paper

Smart connected canines: IoT design considerations for the lab, home, and mission-critical environments (invited paper)

2016 ieee 37th sarnoff symposium, 118–123.

By: J. Majikes n, S. Mealin n, B. Rita n, K. Walker n, S. Yuschak n, B. Sherman n, A. Bozkurt n, D. Roberts n

TL;DR: This paper summarizes three example canine-human systems presented earlier along with their Ion data characteristics and design criteria in order to explore how smart connected canines can improve the authors' lives, the future of smartconnected canines, and the requirements on IoT technologies to facilitate this future. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2016 article

The Mimesis Effect: The Effect of Roles on Player Choice in Interactive Narrative Role-Playing Games

34TH ANNUAL CHI CONFERENCE ON HUMAN FACTORS IN COMPUTING SYSTEMS, CHI 2016, pp. 3438–3449.

By: I. Dominguez n, R. Cardona-Rivera n, J. Vance* & D. Roberts n

author keywords: Mimesis Effect; Roles; Player Choice; Interactive Narrative; Role-Playing; RPGs; Games; Role-Playing Games; Player Actions; Computer Games; Narrative Role
TL;DR: This study investigates the heretofore unexplored relationship between a player's sense of her narrative role in an interactive narrative role-playing game and the options she selects when faced with choice structures during gameplay and discovered the Mimesis Effect. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 chapter

Towards Unsupervised Canine Posture Classification via Depth Shadow Detection and Infrared Reconstruction for Improved Image Segmentation Accuracy

In Biomimetic and Biohybrid Systems (pp. 155–166).

By: S. Mealin n, S. Howell n & D. Roberts n

TL;DR: This paper takes the first steps towards unsupervised canine posture classification by presenting an algorithm to perform canine-background segmentation, using depth shadows and infrared data for increased accuracy. (via Semantic Scholar)
Source: Crossref
Added: February 24, 2020

2016 conference paper

Towards a wearable system for continuous monitoring of sniffing and panting in dogs

International conference on wearable and implantable body sensor, 292–295.

TL;DR: This work has identified discrete features of sniffing and panting in the time domain and utilize event duration, event rate, event mean energy, and the number of consecutive events in a row to build a decision tree classifier. (via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2016 conference paper

Towards unsupervised canine posture classification via depth shadow detection and infrared reconstruction for improved image segmentation accuracy

Biomimetic and biohybrid systems, living machines 2016, 9793, 155–166.

By: S. Mealin, S. Howell & D. Roberts

Source: NC State University Libraries
Added: August 6, 2018

2015 journal article

An Analytic and Psychometric Evaluation of Dynamic Game Adaption for Increasing Session-Level Retention in Casual Games

IEEE TRANSACTIONS ON COMPUTATIONAL INTELLIGENCE AND AI IN GAMES, 7(3), 207–219.

By: B. Harrison* & D. Roberts n

author keywords: Casual games; data mining; dynamic game adaption; game analytics; player modeling; retention
TL;DR: This paper shows how game analytics can be used to dynamically adapt casual game environments in order to increase session-level retention and shows that the adaptive versions of two different casual games were able to better fit a target distribution of game states while also significantly reducing the quitting rate. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2015 article

Knowledge Engineering for Unsupervised Canine Posture Detection from IMU Data

12TH ADVANCES IN COMPUTER ENTERTAINMENT TECHNOLOGY CONFERENCE (ACE15).

By: M. Winters n, R. Brugarolas n, J. Majikes n, S. Mealin n, S. Yuschak n, B. Sherman n, A. Bozkurt n, D. Roberts n

author keywords: Animal-computer interaction; Classification algorithms; canine training; accelerometers; animal-machine interfaces
TL;DR: Several algorithms for recognizing canine postures are demonstrated, as well as a system for building a computational model of a canine's potential postures, based solely on skeletal measurements, because existing techniques use labeled data, which can be difficult to acquire. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Learning behaviors via human-delivered discrete feedback: modeling implicit feedback strategies to speed up learning

AUTONOMOUS AGENTS AND MULTI-AGENT SYSTEMS, 30(1), 30–59.

author keywords: Learning from feedback; Reinforcement learning; Bayesian inference; Interactive learning; Machine learning; Human-computer interaction
TL;DR: A probabilistic model of trainer feedback is presented that describes how a trainer chooses to provide explicit reward and/or explicit punishment and two novel learning algorithms are developed which take trainer strategy into account, and can therefore learn from cases where no feedback is provided. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2015 article

Towards the Non-Visual Monitoring of Canine Physiology in Real-Time by Blind Handlers

12TH ADVANCES IN COMPUTER ENTERTAINMENT TECHNOLOGY CONFERENCE (ACE15).

By: S. Mealin n, M. Winters n, I. Dominguez n, M. Marrero-Garcia n, A. Bozkurt n, B. Sherman n, D. Roberts n

TL;DR: Two non-visual interfaces for monitoring a canine's heart and respiratory rates, an audio interface and a vibrotactile interface are introduced and the results of two initial studies are presented to evaluate the efficacy of the interfaces. (via Semantic Scholar)
UN Sustainable Development Goal Categories
4. Quality Education (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 article

Wearable Heart Rate Sensor Systems for Wireless Canine Health Monitoring

Brugarolas, R., Latif, T., Dieffenderfer, J., Walker, K., Yuschak, S., Sherman, B. L., … Bozkurt, A. (2016, May 15). IEEE SENSORS JOURNAL, Vol. 16, pp. 3454–3464.

author keywords: Computer applications; inertial measurement unit; animal machine interface; physiology
TL;DR: A non-invasive wearable sensor system combining electrocardiogram (ECG), photoplethysmogram (PPG), and inertial measurement units (IMU) to remotely and continuously monitor the vital signs of dogs is presented. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2014 journal article

Toward Cyber-Enhanced Working Dogs for Search and Rescue

IEEE INTELLIGENT SYSTEMS, 29(6), 32–39.

TL;DR: The authors introduce the fundamental building blocks for a cyber-enabled, computer-mediated communication platform to connect human and canine intelligence to achieve a new generation of Cyber-Enhanced Working Dog (CEWD). (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2013 journal article

A Computational Model of Plan-Based Narrative Conflict at the Fabula Level

IEEE Transactions on Computational Intelligence and AI in Games, 6(3), 271–288.

By: S. Ware n, R. Young n, B. Harrison* & D. Roberts n

author keywords: Conflict; narrative; planning
TL;DR: This paper operationalize a narratological definition of conflict and extend established narrative planning techniques to incorporate this definition, and defines seven dimensions of conflict in terms of this algorithm's knowledge representation. (via Semantic Scholar)
Sources: Web Of Science, Crossref
Added: August 6, 2018

2013 conference paper

A community college blended learning classroom experience through Artificial Intelligence in Games

2013 IEEE Frontiers in Education Conference (FIE). Presented at the 2013 IEEE Frontiers in Education Conference (FIE).

By: T. Barik n, M. Everett*, R. Cardona-Rivera n, D. Roberts n & E. Gehringer n

Event: 2013 IEEE Frontiers in Education Conference (FIE)

TL;DR: The experience of teaching an industry-validated course on Artificial Intelligence in Computer Games within the Simulation and Game Design department at a two-year community college during a 16-week semester serves as a template that community colleges can adopt for their curriculum. (via Semantic Scholar)
Sources: NC State University Libraries, Crossref, NC State University Libraries
Added: August 6, 2018

2013 journal article

Lessons on Using Computationally Generated Influence for Shaping Narrative Experiences

IEEE TRANSACTIONS ON COMPUTATIONAL INTELLIGENCE AND AI IN GAMES, 6(2), 188–202.

By: D. Roberts n & C. Isbell*

author keywords: Artificial intelligence; knowledge-based systems; knowledge engineering
TL;DR: An abstract formalism is described to operationalize tools of social psychological influence described by Cialdini and two example implementations that enable a storytelling system to generate influence on the fly (with varying degrees of success), thereby adapting stories to realize goals specified by authors are evaluated. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2013 conference paper

Machine learning based posture estimation for a wireless canine machine interface

Ieee topical conference on biomedical wireless technologies networks and, 10–12.

By: R. Brugarolas n, D. Roberts n, B. Sherman n & A. Bozkurt n

TL;DR: The accuracy of machine learning algorithms in identifying canine posture through wireless inertial sensing with 3-axis accelerometers and3-axis gyroscopes is investigated, demonstrating potential to enable a real time canine computer interface. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2012 chapter

Achieving the Illusion of Agency

In Interactive Storytelling (pp. 114–125).

TL;DR: A non-branching game that simulates branching choices by providing players with choices followed by immediate textual feedback and hypothesize that this game, where player decisions do not significantly change the course of the game, will maintain the player's sense of agency. (via Semantic Scholar)
Source: Crossref
Added: August 28, 2020

2012 chapter

Four Quantitative Metrics Describing Narrative Conflict

In Interactive Storytelling (pp. 18–29).

By: S. Ware n, R. Young n, B. Harrison n & D. Roberts n

TL;DR: An experiment designed to measure how well these metrics predict the responses of human readers when asked to measure these same values in a set of four stories concludes that these metrics are able to rank stories similarly to human readers for each of these four dimensions. (via Semantic Scholar)
Source: Crossref
Added: August 28, 2020

2011 chapter

A Method for Transferring Probabilistic User Models between Environments

In Interactive Storytelling (pp. 43–54).

By: D. Roberts n & F. Roberts*

TL;DR: A theoretically grounded technique to transfer an observed user model from one domain to another, answering the question: "How can a model obtained from observations of one environment inform a model for another environment?" (via Semantic Scholar)
Source: Crossref
Added: August 28, 2020

2008 journal article

Locating sensors in paths and cycles: The case of 2-identifying codes

European Journal of Combinatorics, 29(1), 72–82.

By: D. Roberts* & F. Roberts*

TL;DR: This research was performed while on appointment as a U.S. Department of Homeland Security Fellow under the DHS Scholarship and Fellowship Program and administered by the Oak Ridge Institute for Science and Education for DHS through an interagency agreement. (via Semantic Scholar)
Source: Crossref
Added: August 28, 2020

2008 journal article

Optimization problems involving collections of dependent objects

Annals of Operations Research, 163(1), 255–270.

By: D. Roberts*, C. Isbell* & M. Littman*

TL;DR: This work formalizes the problem of representing objects and their dependence relationships as a directed acyclic graph (DAG) and defines simple formulae for calculating the utility of both sets and sequences of graph vertices. (via Semantic Scholar)
Source: Crossref
Added: August 28, 2020

2006 chapter

On the Use of Computational Models of Influence for Managing Interactive Virtual Experiences

In Interactive Storytelling (pp. 268–272).

By: D. Roberts*, C. Isbell*, M. Riedl*, I. Bogost* & M. Furst*

TL;DR: Many of the existing approaches to managing interactive experiences have focused on the physical manipulation of the environment, but it is argued instead for the use of theories from social psychology and behavioral economics to affect the adoption of specific goals by the player. (via Semantic Scholar)
Source: Crossref
Added: August 28, 2020

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