Publications - Information & Decision Sciences
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Toward Ontology of Designer-User Interaction in the Design Process: A Knowledge Management Foundation
(Emerald, 2017-08-21)In this study, we explore an ontology of designer-user interaction with a knowledge management foundation, because previous interdisciplinary design studies have not formalized the types of designer-user interaction. To ... -
Technological innovation for sustainable growth: An ontological perspective
(Elsevier, 2018-04-01)Arkalgud Ramaprasad 27.92University of Illinois at Chicago Thant Syn 15.43Texas A&M International University Abstract Technological innovations are seen as means to optimize the efficient and clean use of vital resources ... -
On The Von Neumann And Frank–Wolfe Algorithms With Away Steps
(Society for Industrial and Applied Mathematics, 2016)The von Neumann algorithm is a simple coordinate-descent algorithm to determine whether the origin belongs to a polytope generated by a finite set of points. When the origin is in the interior of the polytope, the algorithm ... -
Do CIO IT Budgets Explain Bigger or Smaller Governments? Theory and Evidence from U.S. State Governments
(INFORMS, 2016-04)Given the recent concern on "big governments" and rising budget deficits in the United States and European nations, there has been a fundamental economic debate on the proper boundary and role of governments in a society. ... -
Do Small and Medium‐Sized IT Firms Form Service Partnerships with Nonlocal IT Firms? An Assessment of Facilitators.
(Wiley, 2015-10)For small and medium-sized information technology firms (IT SMEs), the service partnershipsformed with other IT firms are strategic instruments to overcome their resource constraints,increase efficiency, and offer complementary ... -
Balancing market exploration and market exploitation in product innovation: A contingency perspective.
(Elsevier, 2015-09)This paper examines three different ways to balance market exploration and market exploitation in product innovation. First, following the knowledge-based view, we examine whether market exploration and market exploitation ... -
Reducing Redundant Data Transmissions in Wireless Ad Hoc Networks: Comparing Aggregation and Filtering 1
(Springer Verlag, 2015)Abstract—Efficient bandwidth usage is vital for real-time ad hoc networking applications like vehicular safety. Yet, such applications can produce large amounts of identical data. Pruning redundant data transmissions ... -
Incorporating conditional random fields and active learning to improve sentiment identification.
(Neural Networks, 2014-10)Many machine learning, statistical, and computational linguistic methods have been developed to identify sentiment of sentences in documents, yielding promising results. However, most of state-of-the-art methods focus on ... -
A multi-level socio-technical systems telecommuting framework
(Taylor & Francis, 2013-12)Telecommuting can help create organizational efficiencies and improve competitive advantage. It has been studied from a variety of perspectives, including that of transportation, management, psychology, and information ... -
Confidence in Predictions from Random Tree Ensembles
(Springer Verlag, 2013-05)Obtaining an indication of confidence of predictions is desirable for many data mining applications. Predictions complemented with confidence levels can inform on the certainty or extent of reliability that may be associated ... -
Spreadsheet-based Simulation Models for Decision Support: Case of strategic pairings in sport tournaments with match play for team competition
(IOS Press, 2012)In sport tournaments where teams compete in match play format, the pairing of players in matches is critical to the final outcomes. This paper presents simulation models using only commonplace spreadsheet software to ... -
Balancing Influence Between Actors in Healthcare Decision Making
(BioMed Central, 2011-04-19)Background: Healthcare costs in most developed countries are not clearly linked to better patient and public health outcomes, but are rather associated with service delivery orientation. In the U.S. this has resulted in ... -
Measuring Efficiency under Fixed Proportion Technologies
(Springer Verlag, 2011-06)Data Envelopment Analysis (DEA) applications frequently involve nonsubstitutable inputs and nonsubstitutable outputs (that is, fixed proportion technologies). However, DEA theory requires substitutability. In this paper, ... -
Measuring Hospital Efficiency with Data Envelopment Analysis: Nonsubstitutable vs. Substitutable Inputs and Outputs
(Springer Verlag, 2009-12-15)There is a conflict between Data Envelopment Analysis (DEA) theory’s requirement that inputs (outputs) be substitutable, and the ubiquitous use of nonsubstitutable inputs and outputs in DEA applications to hospitals. This ... -
Lower bounds on sample size in structural equation modeling
(Elsevier, 2010-11)Computationally intensive structural equation modeling (SEM) approaches have been in development over much of the 20th century, initiated by the seminal work of Sewall Wright. To this day, sample size requirements remain ... -
Improving the Efficiency of Distributive and Clinical Services in Hospital Pharmacy
(Springer Verlag, 2011-02)Three problems impede the assessment of hospital pharmacy efficiency. First, although multiple efficiency indicators are utilized to measure a large variety of activities, it has not been possible to validly measure overall ...