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Articles 451 - 472 of 472
Full-Text Articles in Entire DC Network
A New Model For Mixing By Double-Diffusive Convection (Semi-Convection): I. The Conditions For Layer Formation, G. M. Mirouh, P. Garaud, S. Stellmach, Adrienne L. Traxler, T. S. Wood
A New Model For Mixing By Double-Diffusive Convection (Semi-Convection): I. The Conditions For Layer Formation, G. M. Mirouh, P. Garaud, S. Stellmach, Adrienne L. Traxler, T. S. Wood
Physics Faculty Publications
The process referred to as "semi-convection" in astrophysics and "double-diffusive convection in the diffusive regime" in Earth and planetary sciences occurs in stellar and planetary interiors in regions which are stable according to the Ledoux criterion but unstable according to the Schwarzschild criterion. In this series of papers, we analyze the results of an extensive suite of three-dimensional (3D) numerical simulations of the process, and ultimately propose a new 1D prescription for heat and compositional transport in this regime which can be used in stellar or planetary structure and evolution models. In a preliminary study of the phenomenon, Rosenblum et …
Intracranial Pressure Is A Better Predictor Of Mortalitythan Cerebral Perfusion Pressure, Ronald J. Markert, Jonathan M. Saxe, Cathryn L. Chadwick
Intracranial Pressure Is A Better Predictor Of Mortalitythan Cerebral Perfusion Pressure, Ronald J. Markert, Jonathan M. Saxe, Cathryn L. Chadwick
Internal Medicine Faculty Publications
Objective: To evaluate whether elevated intracranial pressure (ICP) or depressed cerebral perfusion pressure (CPP) is a better predictor of intracranial compartment syndrome and long-term functional outcomes in blunt traumatic brain injury.
Methods: This was a retrospective evaluation of data collected on 203 patients with blunt traumatic brain injury who were admitted to Miami Valley Hospital, a Level I trauma center, over a 2 years period, whose initial hospital management required an intracranial pressure monitor. Serial measurements of ICP and CPP were recorded during the patients’ hospital stay. These patients were then evaluated at 3,6,12 and 24 months post-injury to assess …
Comparison Of 2010 And 2012 Student Satisfaction Inventory, Office Of Institutional Research, Wright State University
Comparison Of 2010 And 2012 Student Satisfaction Inventory, Office Of Institutional Research, Wright State University
Student Satisfaction Inventory
The 2010 and 2012 Wright State University Student Satisfaction Inventory comparison report. The report measures importance and satisfaction in academic advising; campus climate; campus support services; individual concern; instruction; admissions and financial aid; registration; responsiveness to diverse populations; safety and security; service excellence; and student centeredness.
Model For Triggering Of Non-Volcanic Tremor By Earthquakes, Naum I. Gershenzon, Gust Bambakidis
Model For Triggering Of Non-Volcanic Tremor By Earthquakes, Naum I. Gershenzon, Gust Bambakidis
Physics Faculty Publications
There is evidence of tremor triggering by seismic waves emanating from distant large earthquakes. The frequency content of both triggered and ambient tremor are largely identical, suggesting that this property does not depend directly on the nature of the source. We show here that the model of plate dynamics developed earlier by us is an appropriate tool for describing tremor triggering. In the framework of this model, tremor is an internal response of a fault to a failure triggered by external disturbances. The model predicts generation of radiation in a frequency range defined by the fault parameters. Thus, although the …
Broadband 180 Degree Universal Rotation Pulses For Nmr Spectroscopy Designed By Optimal Control, Thomas E. Skinner, Naum I. Gershenzon, Manoj Nimbalkar, Wolfgang Bermel, Burkhard Luy, Steffen J. Glaser
Broadband 180 Degree Universal Rotation Pulses For Nmr Spectroscopy Designed By Optimal Control, Thomas E. Skinner, Naum I. Gershenzon, Manoj Nimbalkar, Wolfgang Bermel, Burkhard Luy, Steffen J. Glaser
Physics Faculty Publications
Broadband inversion pulses that rotate all magnetization components 180 degrees about a given fixed axis are necessary for refocusing and mixing in high-resolution NMR spectroscopy. The relative merits of various methodologies for generating pulses suitable for broadband refocusing are considered. The de novo design of 180 degree universal rotation pulses using optimal control can provide improved performance compared to schemes which construct refocusing pulses as composites of existing pulses. The advantages of broadband universal rotation by optimized pulses (BURBOP) are most evident for pulse design that includes tolerance to RF inhomogeneity or miscalibration. We present new modifications of the optimal …
A Mems Photoacoustic Detector Of Terahertz Radiation For Chemical Sensing, Nathan E. Glauvitz, S. Blazevic, Ronald A. Coutu Jr., Michael N. Kistler, Ivan Medvedev, Douglas T. Petkie
A Mems Photoacoustic Detector Of Terahertz Radiation For Chemical Sensing, Nathan E. Glauvitz, S. Blazevic, Ronald A. Coutu Jr., Michael N. Kistler, Ivan Medvedev, Douglas T. Petkie
Physics Faculty Publications
A piezoelectric Microelectromechanical system (MEMS) cantilever pressure sensor was designed, modeled, fabricated, and tested for sensing the photoacoustic response of gases to terahertz (THz) radiation. The sensing layers were comprised of three thin films; a lead zirconate titanate (PZT) piezoelectric layer sandwiched between two metal contact layers. The sensor materials were deposited on the silicon device layer of a silicon-on-insulator (SOI) wafer, which formed the physical structure of the cantilever. To release the cantilever, a hole was etched through the backside of the wafer and the buried oxide was removed with hydrofluoric acid. Devices were then tested in a custom …
The Modernism Of Shashi Deshpande, Alpana Sharma
The Modernism Of Shashi Deshpande, Alpana Sharma
English Language and Literatures Faculty Publications
This essay studies the modernist feature of metafiction in Shashi Deshpande's novels to show how it allows Deshpande to discover an agency which, while conceived in personal and idiosyncratic terms as an isolated woman's bid for independence, has ramifications extending beyond the confines of the home and the book to an outright challenge of patriarchy. An exposition of the place that writing and art occupy in Deshpande's fiction is followed by an excursion into three aspects of the female creative process shared by her artist protagonists: its genesis in mourning, its expression in sexual being, and its feminist subversion of …
General Recognition Theory Extended To Include Response Times: Predictions For A Class Of Parallel Systems, James T. Townsend, Joseph W. Houpt, Noah H. Silbert
General Recognition Theory Extended To Include Response Times: Predictions For A Class Of Parallel Systems, James T. Townsend, Joseph W. Houpt, Noah H. Silbert
Psychology Faculty Publications
General Recognition Theory (GRT; Ashby & Townsend, 1986) is a multidimensional theory of classification. Originally developed to study various types of perceptual independence, it has also been widely employed in diverse cognitive venues, such as categorization. The initial theory and applications have been static, that is, lacking a time variable and focusing on patterns of responses, such as confusion matrices. Ashby proposed a parallel, dynamic stochastic version of GRT with application to perceptual independence based on discrete linear systems theory with imposed noise (Ashby, 1989). The current study again focuses on cognitive/perceptual independence within an identification classification paradigm. We extend …
Electrophysiological Abnormalities In Sod1 Transgenic Models In Amyotrophic Lateral Sclerosis: The Commonalities And Differences, Sherif M. Elbasiouny, Katharina Quinlan, Tahra L. Eissa, Charles J. Heckman
Electrophysiological Abnormalities In Sod1 Transgenic Models In Amyotrophic Lateral Sclerosis: The Commonalities And Differences, Sherif M. Elbasiouny, Katharina Quinlan, Tahra L. Eissa, Charles J. Heckman
Neuroscience, Cell Biology & Physiology Faculty Publications
Since its first description in 1874 by Charcot, the hallmark feature of ALS is the progressive degeneration of upper and lower motoneurons (Charcot, 1874). In the spinal cord, motoneuron degeneration starts long before symptom onset and advances in a size-related fashion, in which large-size alpha-motoneurons degenerate first followed by small-size alpha-motoneurons (Pun et al., 2006; Hegedus et al., 2007; Hegedus et al., 2008). There are conflicting reports regarding the survival of the smallest-sized spinal motoneurons, the gamma-motoneurons (Swash and Fox, 1974; Sobue et al., 1981). Despite its original description, the neuronal degeneration in ALS is not limited to motoneurons. Recent …
Electronic Nose Based On Independent Component Analysis Combined With Partial Least Squares And Artificial Neural Networks For Wine Prediction, Teodoro Aguilera, Jesús Lozano, José A. Paredes, Francisco J. Alvarez, José I. Suárez
Electronic Nose Based On Independent Component Analysis Combined With Partial Least Squares And Artificial Neural Networks For Wine Prediction, Teodoro Aguilera, Jesús Lozano, José A. Paredes, Francisco J. Alvarez, José I. Suárez
Neuroscience, Cell Biology & Physiology Faculty Publications
The aim of this work is to propose an alternative way for wine classification and prediction based on an electronic nose (e-nose) combined with Independent Component Analysis (ICA) as a dimensionality reduction technique, Partial Least Squares (PLS) to predict sensorial descriptors and Artificial Neural Networks (ANNs) for classification purpose. A total of 26 wines from different regions, varieties and elaboration processes have been analyzed with an e-nose and tasted by a sensory panel. Successful results have been obtained in most cases for prediction and classification.
Reference--I'Ve Got An App For That!, Sue Polanka
Reference--I'Ve Got An App For That!, Sue Polanka
University Libraries' Staff Publications
These days, it seems there's an app for everything. So it should come as no surprise that several reference publishers are producing apps for Apple-and Android-based tablets and phones. Why should reference publishers develop apps? "Our focus is on helping libraries reach new users where they reside. We believe that one of the most effective ways to do this is through apps," says Nader Qaimari, senior vice president of marketing for Cengage Learning. Mike Robinson, e-book sales and marketing manager at Oxford University Press, agrees, stating, "Apps represent a means by which people all over the world are using devices …
University Presses And Ebooks: A New Horizon, Sue Polanka
University Presses And Ebooks: A New Horizon, Sue Polanka
University Libraries' Staff Publications
What's the buzz about? EBook Buzz, ONLINE's newest column, will discuss and debate the advances of ebooks in libraries and scholarly publishing. EBook Buzz will explore varied topics from a practical perspective, whether celebrating successes, exploring opportunities, or sorting through the challenges of ebook adoption. This inaugural column will explore the transformation to ebooks by university presses.
Academic library monograph budgets tell a bleak story. Discretionary funds and approval plans have slowly decreased, favoring instead subscription products and big deal journal collections. It's both alarming for librarians to watch and impossible for publishers to ignore. University presses, owners of the …
Medical E-Reference: A Benchmark For E-Reference Publishing In Other Disciplines, Terese Desimio, Ximena Chrisagis
Medical E-Reference: A Benchmark For E-Reference Publishing In Other Disciplines, Terese Desimio, Ximena Chrisagis
University Libraries' Staff Publications
Electronic medical information retrieval systems and reference sources were some of the first discipline specific e-resources to be developed, due to physicians’ need to access the most current and relevant clinical information as quickly as possible. Many medical publishers and information aggregators have been incorporating the features their users demand for years. Thus, medical e-reference publishing could serve as a benchmark for e-reference publishing in other fields. Yet medical e-reference is not without its challenges. Today’s physicians and medical students expect immediate and user-friendly electronic access to media rich and value added clinical references, particularly via their mobile devices. Publishers, …
A Scalable Distributed Syntactic, Semantic And Lexical Language Model, Ming Tan, Wenli Zhou, Lei Zheng, Shaojun Wang
A Scalable Distributed Syntactic, Semantic And Lexical Language Model, Ming Tan, Wenli Zhou, Lei Zheng, Shaojun Wang
Kno.e.sis Publications
This paper presents an attempt at building a large scale distributed composite language model that is formed by seamlessly integrating an n-gram model, a structured language model, and probabilistic latent semantic analysis under a directed Markov random field paradigm to simultaneously account for local word lexical information, mid-range sentence syntactic structure, and long-span document semantic content. The composite language model has been trained by performing a convergent N-best list approximate EM algorithm and a follow-up EM algorithm to improve word prediction power on corpora with up to a billion tokens and stored on a supercomputer. The large scale distributed composite …
Semantics Of Perception: Towards A Semantic Web Approach To Machine Perception, Cory Andrew Henson, Amit P. Sheth
Semantics Of Perception: Towards A Semantic Web Approach To Machine Perception, Cory Andrew Henson, Amit P. Sheth
Kno.e.sis Publications
The acts of observation and perception provide the building blocks for all human knowledge (Locke, 1690); they are the processes from which all ideas are born; and the sole bond connecting ourselves to the world around us. Now, with the advent of sensor networks capable of observation, this world may be directly accessible to machines. Missing from this vision, however, is the ability of machines to glean semantics from observation; to apprehend entities from detected qualities; to perceive. The systematic automation of this ability is the focus of machine perception -- the ability of computing machines to sense and interpret …
Extracting Diverse Sentiment Expressions With Target-Dependent Polarity From Twitter, Lu Chen, Wenbo Wang, Meenakshi Nagarajan, Shaojun Wang, Amit P. Sheth
Extracting Diverse Sentiment Expressions With Target-Dependent Polarity From Twitter, Lu Chen, Wenbo Wang, Meenakshi Nagarajan, Shaojun Wang, Amit P. Sheth
Kno.e.sis Publications
This study focuses on automatic extraction of sentiment expressions associated with given targets from Twitter. It addresses one of the key challenges in this work: Wide diversity and informal nature of sentiment expressions that cannot be trivially enumerated or captured using predefined lexical patterns.
On The Role Of Social Identity And Cohesion In Characterizing Online Social Communities, Hemant Purohit, Yiye Ruan, David Fuhry, Srinivasan Parthasarathy, Amit P. Sheth
On The Role Of Social Identity And Cohesion In Characterizing Online Social Communities, Hemant Purohit, Yiye Ruan, David Fuhry, Srinivasan Parthasarathy, Amit P. Sheth
Kno.e.sis Publications
Two prevailing theories for explaining social group or community structure are cohesion and identity. The social cohesion approach posits that social groups arise out of an aggregation of individuals that have mutual interpersonal attraction as they share common characteristics. These characteristics can range from common interests to kinship ties and from social values to ethnic backgrounds. In contrast, the social identity approach posits that an individual is likely to join a group based on an intrinsic self-evaluation at a cognitive or perceptual level. In other words group members typically share an awareness of a common category membership. In this work …
Towards Cloud Mobile Hybrid Application Generation Using Semantically Enriched Domain Specific Languages, Ajith Harshana Ranabahu, Amit P. Sheth, Ashwin Manjunatha, Krishnaprasad Thirunarayan
Towards Cloud Mobile Hybrid Application Generation Using Semantically Enriched Domain Specific Languages, Ajith Harshana Ranabahu, Amit P. Sheth, Ashwin Manjunatha, Krishnaprasad Thirunarayan
Kno.e.sis Publications
The advancements in computing have resulted in a boom of cheap, ubiquitous, connected mobile devices as well as seemingly unlimited, utility style, pay as you go computing resources, commonly referred to as Cloud computing. Taking advantage of this computing landscape, however, has been hampered by the many heterogeneities that exist in the mobile space as well as the Cloud space.
This research attempts to introduce a disciplined methodology to develop Cloud-mobile hybrid applications by using a Domain Specific Language (DSL) centric approach to generate applications. A Cloud-mobile hybrid is an application that is split between a Cloud based back-end and …
Alignment-Based Querying Of Linked Open Data, Amit Krishna Joshi, Prateek Jain, Pascal Hitzler, Peter Z. Yeh, Kunal Verma, Amit P. Sheth, Mariana Damova
Alignment-Based Querying Of Linked Open Data, Amit Krishna Joshi, Prateek Jain, Pascal Hitzler, Peter Z. Yeh, Kunal Verma, Amit P. Sheth, Mariana Damova
Kno.e.sis Publications
The Linked Open Data (LOD) cloud is rapidly becoming the largest interconnected source of structured data on diverse domains. The potential of the LOD cloud is enormous, ranging from solving challenging AI issues such as open domain question answering to automated knowledge discovery. However, due to an inherent distributed nature of LOD and a growing number of ontologies and vocabularies used in LOD datasets, querying over multiple datasets and retrieving LOD data remains a challenging task. In this paper, we propose a novel approach to querying linked data by using alignments for processing queries whose constituent data come from heterogeneous …
Semantics And Ontologies For Earthcube, Gary Berg-Cross, Isabel F. Cruz, Michael Dean, Timothy Finin, Mark Gahegan, Pascal Hitzler, Hook Hau, Krzysztof Janowicz, Naicong Li, Philip Murphy, Bryce Nordgren, Leo Obrst, Mark Schildhauer, Amit P. Sheth, Krishna Sinha, Anne Thessen, Nancy Wiegand, Ilya Zaslavasky
Semantics And Ontologies For Earthcube, Gary Berg-Cross, Isabel F. Cruz, Michael Dean, Timothy Finin, Mark Gahegan, Pascal Hitzler, Hook Hau, Krzysztof Janowicz, Naicong Li, Philip Murphy, Bryce Nordgren, Leo Obrst, Mark Schildhauer, Amit P. Sheth, Krishna Sinha, Anne Thessen, Nancy Wiegand, Ilya Zaslavasky
Kno.e.sis Publications
Semantic technologies and ontologies play an increasing role in scientific workflow systems and knowledge infrastructures. While ontologies are mostly used for the semantic annotation of metadata, semantic technologies enable searching metadata catalogs beyond simple keywords, with some early evidence of semantics used for data translation. However, the next generation of distributed and interdisciplinary knowledge infrastructures will require capabilities beyond simple subsumption reasoning over subclass relations. In this work, we report from the EarthCube Semantics Community by highlighting which role semantics and ontologies should play in the EarthCube knowledge infrastructure. We target the interested domain scientist and, thus, introduce the value …
The Ontology For Parasite Lifecycle (Opl): Towards A Consistent Vocabulary Of Lifecycle Stages In Parasitic Organisms, Priti Parikh, Jie Zheng, Flora J. Logan-Klumpler, Christian J. Stoeckert, Pantelis Topalis, Anna Protasio, Amit P. Sheth, Mark Carrington, Matthew Berriman, Satya S. Sahoo
The Ontology For Parasite Lifecycle (Opl): Towards A Consistent Vocabulary Of Lifecycle Stages In Parasitic Organisms, Priti Parikh, Jie Zheng, Flora J. Logan-Klumpler, Christian J. Stoeckert, Pantelis Topalis, Anna Protasio, Amit P. Sheth, Mark Carrington, Matthew Berriman, Satya S. Sahoo
Kno.e.sis Publications
Background
Genome sequencing of many eukaryotic pathogens and the volume of data available on public resources have created a clear requirement for a consistent vocabulary to describe the range of developmental forms of parasites. Consistent labeling of experimental data and external data, in databases and the literature, is essential for integration, cross database comparison, and knowledge discovery. The primary objective of this work was to develop a dynamic and controlled vocabulary that can be used for various parasites. The paper describes the Ontology for Parasite Lifecycle (OPL) and discusses its application in parasite research.
Results
The OPL is based on …
Open And Transparent: The Review Process Of The Semantic Web Journal, Krzysztof Janowicz, Pascal Hitzler
Open And Transparent: The Review Process Of The Semantic Web Journal, Krzysztof Janowicz, Pascal Hitzler
Computer Science and Engineering Faculty Publications
While open access is established in the world of academic publishing, open reviews are rare. The Semantic Web journal goes further than just open review by implementing an open and transparent review process in which reviews are publicly available, and the assigned editors and reviewers are known by name, and are published together with accepted manuscripts. In this article we introduce the steps to realize such a process from the conceptual design, over the implementation, a overview of the results so far, and up to lessons learned.