Edward P. Fitts Department of Industrial & Systems Engineering

Works Published in 2013

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Displaying works 21 - 40 of 130 in total

Sorted by most recent date added to the index first, which may not be the same as publication date order.

2013 book

Linear Conic Optimization

Beijing, China: Science Press.

By: S. Fang & W. Xing

Source: NC State University Libraries
Added: July 31, 2021

2013 journal article

ℓ1 Major Component Detection and Analysis (ℓ1 MCDA): Foundations in Two Dimensions

Algorithms, 6(1), 12–28.

By: Y. Tian n, Q. Jin n, J. Lavery n & S. Fang n

author keywords: heavy-tailed distribution; l(1); l(2); major component; multivariate statistics; outliers; principal component analysis; 2D
TL;DR: The l1 Major Component Detection and Analysis (l1 MCDA) that is proposed can determine the main directions and the radial extent of 2D data from single or multiple superimposed Gaussian or heavy-tailed distributions without and with patterned artificial outliers (clutter). (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: June 13, 2021

2013 journal article

A model for optimally dispatching ambulances to emergency calls with classification errors in patient priorities

IIE Transactions, 45(1), 1–24.

author keywords: Emergency medical dispatch; Markov decision processes
TL;DR: A model for determining how to optimally dispatch ambulances to patients to maximize the long-run average utility of the system, defined as the expected coverage of true high-risk patients. (via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: May 17, 2021

2013 journal article

Joint location and dispatching decisions for Emergency Medical Services

Computers & Industrial Engineering, 64(4), 917–928.

By: H. Toro-Díaz*, M. Mayorga*, S. Chanta* & L. McLay*

author keywords: Location/allocation in healthcare; Hypercube model; Genetic algorithm
TL;DR: A mathematical formulation that combines an integer programming model representing location and dispatching decisions, with a hypercube model representing the queuing elements and congestion phenomena is developed, concluding that the joint approach can give insights of the implicit trade-offs between several conflicting optimization criteria. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: May 17, 2021

2013 journal article

Districting and dispatching policies for emergency medical service systems to improve patient survival

IIE Transactions on Healthcare Systems Engineering, 3(1), 39–56.

By: M. Mayorga*, D. Bandara* & L. McLay*

TL;DR: Computational results show that integrated districting and dispatching policies are vital in increasing patient survivability. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: May 17, 2021

2013 conference paper

Understanding the visualization strategies used by experts when reading mechanical part drawings using eye tracking

IIE Annual Conference and Expo 2013, 503–511. http://www.scopus.com/inward/record.url?eid=2-s2.0-84900300219&partnerID=MN8TOARS

By: S. Nambiar, K. Madathil, M. Paul, M. Zelaya, R. Koikkara & A. Gramopadhye

Contributors: S. Nambiar, K. Madathil, M. Paul, M. Zelaya, R. Koikkara & A. Gramopadhye

Source: ORCID
Added: April 9, 2021

2013 chapter

Data and Information Fusion for Bio-Medical Design and Bio-Manufacturing Systems

In Y. K. Lin, Y. C. Tsao, & S. W. Lin (Eds.), Proceedings of the Institute of Industrial Engineers Asian Conference 2013 (pp. 1513–1520).

By: Y. Lee n, X. Qin n, P. Prim n & Y. Cai n

Ed(s): Y. Lin, Y. Tsao & S. Lin

TL;DR: A method for transforming uncontrolled biological procedures into reproducible, controlled manufacturing processes is developed and a case study in regenerative medicine is presented to validate the product development lead time estimation and demonstrate that the total processing time can be significantly reduced through integrated approach. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: January 5, 2021

2013 journal article

Comparing traditional and fuzzy-set solutions to (Q, r) inventory systems with discrete lead-time distributions

Journal of Intelligent and Fuzzy Systems, 24(1), 93–104.

Contributors: X. Wu* & D. Warsing Jr.

author keywords: Inventory; (Q, r) systems; fuzzy sets; optimization; simulation
TL;DR: It is shown that, on average, the results from the fuzzy-set model are significantly more accurate than the traditional normal approximation, especially when the LTD distribution is highly skewed. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: ORCID
Added: October 23, 2020

2013 conference paper

A newsvendor problem with replenishment

IIE Annual Conference and Expo 2013, 3934–3943. http://www.scopus.com/inward/record.url?eid=2-s2.0-84900327424&partnerID=MN8TOARS

By: N. Buch, R. King, A. Vila-Parrish & D. Warsing

Contributors: N. Buch, R. King, A. Vila-Parrish & D. Warsing

Source: ORCID
Added: October 23, 2020

2013 journal article

Integrated Planning of Supply Chain Networks and Multimodal Transportation Infrastructure Expansion: Model Development and Application to the Biofuel Industry

Computer-Aided Civil and Infrastructure Engineering, 28(4), 247–259.

Contributors: L. Hajibabai* & Y. Ouyang*

TL;DR: This article presents an integrated mathematical model for biofuel supply chain design where the near-optimum number and location of biorefinery facilities, thenear-optimal routing of biomass and biofuel shipments, and possible highway/railroad capacity expansion are determined. (via Semantic Scholar)
Source: ORCID
Added: October 6, 2020

2013 chapter

Behavioral Characteristics of Users with Visual Impairment in Haptically Enhanced Virtual Environments

In Human-Computer Interaction. Interaction Modalities and Techniques (pp. 618–625).

By: S. Liu n, S. Bahn n, H. Choi n & C. Nam n

TL;DR: Behavioral characteristics of users with visual impairments and effect of factors regarding the layout of virtual environments (VEs) showed that number of objects in 3D VE had significant impact on visually impaired users' behavior. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: August 28, 2020

2013 chapter

Use of Reference Frame in Haptic Virtual Environments: Implications for Users with Visual Impairments

In Human-Computer Interaction. Interaction Modalities and Techniques (pp. 610–617).

By: J. Lee n, S. Bahn n & C. Nam n

TL;DR: The virtual environment and haptic input had influence on the result by separating the user from the computer, only allowing one point of contact, and it would be possible to apply the result to the development and assessment of assistive technology for people with visual impairment. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: August 28, 2020

2013 chapter

Assessing the Effectiveness of Vibrotactile Feedback on a 2D Navigation Task

In Human-Computer Interaction. Interaction Modalities and Techniques (pp. 594–600).

By: W. Jeon n, Y. Li n, S. Bahn n & C. Nam n

TL;DR: It was concluded that user performance and comfort are significantly affected by frequency and amplitude. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: August 28, 2020

2013 chapter

Influence of Haptic Feedback on a Pointing Task in a Haptically Enhanced 3D Virtual Environment

In Human-Computer Interaction. Interaction Modalities and Techniques (pp. 561–567).

By: B. Corbett n, T. Yamaguchi*, S. Liu n, L. Huang n, S. Bahn n & C. Nam n

TL;DR: Vibration and haptic attractive force were selected as two simple cases of feedback and compared to a no-feedback condition to better understand how human performance changes under these conditions. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: August 28, 2020

2013 journal article

Characterizing the impact of mental disorders on HIV patient length of stay and total charges

IIE Transactions on Healthcare Systems Engineering, 3(3), 139–146.

TL;DR: The impact of comorbidities, with a particular focus on mental disorders, on HIV patient outcomes as measured by patient length of stay (LOS) and total charges in the adult 2006 National Inpatient Sample is studied. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Source: Crossref
Added: August 28, 2020

2013 journal article

Pricing policies for substitutable products in a supply chain with Internet and traditional channels

European Journal of Operational Research, 224(3), 542–551.

By: Y. Chen*, S. Fang n & U. Wen*

author keywords: Pricing; Game theory; Supply chain management; Channel competition
TL;DR: The findings show that improving brand loyalty is profitable for both of the manufacturer and retailer, and that an increased service value may alleviate the threat of the Internet channel for the retailer and increase the manufacturer’s profit. (via Semantic Scholar)
UN Sustainable Development Goal Categories
17. Partnerships for the Goals (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: August 28, 2020

2013 journal article

Exact Computable Representation of Some Second-Order Cone Constrained Quadratic Programming Problems

Journal of the Operations Research Society of China, 1(1), 107–134.

By: Q. Jin*, Y. Tian*, Z. Deng n, S. Fang n & W. Xing*

author keywords: Linear conic program; Semidefinite program; Nonconvex quadratically constrained quadratic program; Second-order cone
TL;DR: This paper provides exact computable representations for some more subclasses of the QCQP problem, in particular, the subclass with one second-order cone constraint and two special linear constraints. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: August 28, 2020

2013 chapter

Reallocation of Resources to Preserve Relative Efficiencies: Inverse CCR Model

In The 19th International Conference on Industrial Engineering and Engineering Management (pp. 497–508).

By: S. Lertworasirikul* & S. Fang n

Sources: Crossref, NC State University Libraries
Added: August 28, 2020

2013 journal article

A Dispatching Model for Server-to-Customer Systems That Balances Efficiency and Equity

Manufacturing & Service Operations Management, 15(2), 205–220.

author keywords: emergency medical services; server-to-customer systems; public health; equity; Markov decision processes; linear programming
TL;DR: This paper forms a model for determining how to optimally dispatch distinguishable servers to prioritized customers given a set of equity constraints and draws upon the decision analytic and social science literature to compare the effects of different notions of equity on the resulting dispatching policies. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: August 28, 2020

2013 journal article

Elicitation of Haptic User Interface Needs of People with Low Vision

International Journal of Human-Computer Interaction, 29(7), 488–500.

By: H. Kim*, T. Smith-Jackson* & C. Nam*

TL;DR: The aim of this article is to advance the understanding of the needs of those with low vision especially in relation to haptic-incorporated multimodal user interfaces by qualitatively exploring their needs and theoretically interpreting the needs in the light of previous studies. (via Semantic Scholar)
UN Sustainable Development Goal Categories
4. Quality Education (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: August 28, 2020

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