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Articles 2521 - 2550 of 13273
Full-Text Articles in Entire DC Network
Colleague, Fall 2008, University Of Arkansas, Fayetteville. College Of Education And Health Professions, University Of Arkansas, Fayetteville. Department Of Education Reform
Colleague, Fall 2008, University Of Arkansas, Fayetteville. College Of Education And Health Professions, University Of Arkansas, Fayetteville. Department Of Education Reform
Colleague
No abstract provided.
Contrastivism Rather Than Something Else? On The Limits Of Epistemic Contrastivism, Peter Baumann
Contrastivism Rather Than Something Else? On The Limits Of Epistemic Contrastivism, Peter Baumann
Philosophy Faculty Works
One of the most recent trends in epistemology is contrastivism. It can be characterized as the thesis that knowledge is a ternary relation between a subject, a proposition known and a contrast proposition. According to contrastivism, knowledge attributions have the form “S knows that p, rather than q”. In this paper I raise several problems for contrastivism: it lacks plausibility for many cases of knowledge, is too narrow concerning the third relatum, and overlooks a further relativity of the knowledge relation.
Unifying Framework For Building Social Computing Applications, Renato Costa, Luiz Fernando Capretz
Unifying Framework For Building Social Computing Applications, Renato Costa, Luiz Fernando Capretz
Electrical and Computer Engineering Publications
There have been a number of frameworks and models developed to
support different aspects of social computing. Some were developed to deal
with online interaction through the application of computer-mediated communications
tools, whereas others such as social network analyses and reputation
systems were more specific in their focus. While these methodologies are interrelated,
current social computing research has dealt with them as separate aspects.
This paper presents a comprehensive framework for social computing
that aims at integrating all these three aspects into a unified model so that discovery
and exploration of community members are not only made possible, but
also …
Environmental Effects On Corrosion Properties Of Alloy 22, Mano Misra
Environmental Effects On Corrosion Properties Of Alloy 22, Mano Misra
Publications (YM)
This document presents detailed technical report for four Subtasks that were conducted independently. All four Subtasks investigated environmental effects on corrosion properties of Alloy 22. The four Subtasks that were investigated are as follows: Subtask 1: Experimental Determination of Parameters for the General Corrosion Model. Subtask 2: Corrosion under Dust Deposits Containing Hygroscopic Salts. Subtask 3: Heated Electrode Approach for the Study of Corrosion Under Aggressive Conditions. Subtask 4: Effect of Hydrogen Permeation on the Stability of the Passive Film of Alloy 22.
Efficiency Analysis Of Turkish Preparation And Spinning Of Textile Fibres; Weaving Of Textiles Industry: The Cases Of Firm-Based And Cumulative Data, M. Ensar Yesilyurt, Filiz Yesilyurt
Efficiency Analysis Of Turkish Preparation And Spinning Of Textile Fibres; Weaving Of Textiles Industry: The Cases Of Firm-Based And Cumulative Data, M. Ensar Yesilyurt, Filiz Yesilyurt
Topics in Middle Eastern and North African Economies
No abstract provided.
A General Framework For The Analysis Of Animal Resource Selection From Telemetry Data, Devin S. Johnson, Dana L. Thomas, Jay M. Ver Hoef, Aaron Christ
A General Framework For The Analysis Of Animal Resource Selection From Telemetry Data, Devin S. Johnson, Dana L. Thomas, Jay M. Ver Hoef, Aaron Christ
United States Department of Commerce: Staff Publications
We propose a general framework for the analysis of animal telemetry data through the use of weighted distributions. It is shown that several interpretations of resource selection functions arise when constructed from the ratio of a use and availability distribution. Through the proposed general framework, several popular resource selection models are shown to be special cases of the general model by making assumptions about animal movement and behavior. The weighted distribution framework is shown to be easily extended to readily account for telemetry data that are highly auto-correlated; as is typical with use of new technology such as global positioning …
Phylogeographical Structure And Evolutionary History Of Two Buggy Creek Virus Lineages In The Western Great Plains Of North America, Abinash Padhi, Amy T. Moore, Mary Bomberger Brown, Jerome E. Foster, Martin Pfeffer, Kathryn P. Gaines, Valerie A. O'Brien, Stephanie A. Strickler, Allison E. Johnson, Charles R. Brown
Phylogeographical Structure And Evolutionary History Of Two Buggy Creek Virus Lineages In The Western Great Plains Of North America, Abinash Padhi, Amy T. Moore, Mary Bomberger Brown, Jerome E. Foster, Martin Pfeffer, Kathryn P. Gaines, Valerie A. O'Brien, Stephanie A. Strickler, Allison E. Johnson, Charles R. Brown
School of Natural Resources: Faculty Publications
Buggy Creek virus (BCRV) is an unusual arbovirus within the western equine encephalitis complex of alphaviruses. Associated with cimicid swallow bugs (Oeciacus vicarius) as its vector and the cliff swallow (Petrochelidon pyrrhonota) and house sparrow (Passer domesticus) as its amplifying hosts, this virus is found primarily in the western Great Plains of North America at spatially discrete swallow nesting colonies. For 342 isolates collected in Oklahoma, Nebraska, Colorado, and North Dakota, from 1974 to 2007, we sequenced a 2076 bp region of the 26S subgenomic RNA structural glycoprotein coding region, and analyzed phylogenetic relationships, …
Spatial Welfare Impacts Of A Grain Ethanol Plant, Justin Van Wart, Richard K. Perrin
Spatial Welfare Impacts Of A Grain Ethanol Plant, Justin Van Wart, Richard K. Perrin
Department of Agricultural Economics: Faculty Publications
This study inquires into the spatial welfare impacts of a grain ethanol plant established in an area with a beef feeding industry. Corn producers will benefit, but by how much? Why do plants seem to price their animal feed byproduct so low that beef producers may benefit from lower feed costs, despite the higher corn price? Why do ethanol plants in some areas dry all their byproduct feed while in other areas plants sell it all in wet form? How are these outcomes affected by the density of corn production, by the density of feedlots, and by the size of …
Coache Provost Report 2008, The Collaborative On Academic Careers In Higher Education (Coache), Harvard Graduate School Of Education
Coache Provost Report 2008, The Collaborative On Academic Careers In Higher Education (Coache), Harvard Graduate School Of Education
Survey Results
No abstract provided.
Ntid Focus Fall 2008, Ntid Marketing And Communications
Ntid Focus Fall 2008, Ntid Marketing And Communications
National Technical Institute for the Deaf Papers
Alan's Update: Celebrating Past, Present and Future||NTID's 40th Anniversary Reunion||The Grand Success||The Road Ahead||Advancing the Mission: Recognizing Generosity Goldmann Scholarship||Alumni Profiles: Fred Feldman Valarie Randleman Toni Lynn Ferreri-Van Bramer Jason Webb||Profiles in College: Allison Anderson Dylan Heuer Crystal Phan Kumar Singh||Students Reach Out||Faculty/Staff Profiles: Annemarie Ross Gerard “Jerry†Walter
University Magazine Fall 2008, University News Service, Office Of Alumni Relations
University Magazine Fall 2008, University News Service, Office Of Alumni Relations
University Publications
Jeremy Haefner is RIT’s new provost||Star attraction||Mind-boggling||Green and orange make sense||Forty years on the new campus
Verified Methods For Computing Pareto Sets: General Algorithmic Analysis, Boglarka G.-Toth, Vladik Kreinovich
Verified Methods For Computing Pareto Sets: General Algorithmic Analysis, Boglarka G.-Toth, Vladik Kreinovich
Departmental Technical Reports (CS)
In many engineering problems, we face multi-objective optimization, with several objective functions f1,...,fn. We want to provide the user with the Pareto set -- set of all possible solutions x which cannot be improved in all categories (i.e., for which fj(x')>=f_j(x) for all j and fj(x')>fj(x) for some j is impossible). The user should be able to select an appropriate trade-off between, say, cost and durability. We extend the general results about the (verified) algorithmic computability of maxima locations to show that Pareto sets can also computed.
Refuge Update – September/October 2008, Volume 5, Number 5
Refuge Update – September/October 2008, Volume 5, Number 5
RefugeUpdate (USFWS-NWRS)
Table of Contents:
Rebuilding after Hurricane Ike, page 3 Texas and Louisiana refuges were severely damaged in mid-September.
A Crane Species Rebounding, page 5 At a Mississippi refuge, the world’s longest-running crane reintroduction program is succeeding.
Focus on. . . Refuge System Wetlands, pages 8-13 The Refuge System manages wetlands to enhance their value for migratory waterfowl and shorebirds, threatened and endangered species and a myriad of native fish, wildlife, and plants.
Fluttering Close to Extinction, page 17. Antioch Dunes Refuge is out to save the Lange’s metalmark butterfly.
Simple Molecule-Based Fluorescent Sensors For Vapor Detection Of Tnt, Grigory V. Zyryanov, Manuel A. Palacios, Pavel Anzenbacher Jr.
Simple Molecule-Based Fluorescent Sensors For Vapor Detection Of Tnt, Grigory V. Zyryanov, Manuel A. Palacios, Pavel Anzenbacher Jr.
Chemistry Faculty Publications
1,4-Diarylpentiptycenes (1a-e) were synthesized from 1,4-dichloro- or 1,4-difluoro-2,5-diarylbenzene derivatives by double base-promoted dehydrohalogenation to give corresponding arynes, which in the presence of anthracene undergo cycloaddition providing 1,4-diarylpentiptycenes in moderate overall yields. The resulting 1,4-diarylpentiptycenes show fluorescence modulated by the 1,4-aryl residues. The fluorescence is quenched in the presence of vapors of nitroaromatic compounds suggesting potential application in sensing of explosives.
Influencing Technology Education Teachers To Accept Teaching Positions, Luke Joseph Steinke, Alvin Robert Putnam
Influencing Technology Education Teachers To Accept Teaching Positions, Luke Joseph Steinke, Alvin Robert Putnam
Journal of STEM Teacher Education
Technology education is facing a significant teacher shortage. The purpose of this study was to address the technology education teacher shortage by examining the factors that influence technology education teachers to accept teaching positions. The population for the study consisted of technology education teachers and administrators. A survey instrument was developed that asked participants to indicate their level of agreement on 28 factors influence on whether a technology education teacher accepts a teaching position. A five point Likert scale was used to determine level of agreement. The results of the study revealed that the factors believed to most influence a …
Retention Of Graduate Students Through Learning Communities, Marie Kraska
Retention Of Graduate Students Through Learning Communities, Marie Kraska
Journal of STEM Teacher Education
This manuscript addresses learning communities (LCs) as a strategy to retain graduate students until program completion. Definitions of LCs and their early development are presented. The benefits of LCs to groups of students with common interests are discussed. In addition, reasons for early graduate student attrition are included. Common models of LCs and characteristics of effective LCs are elaborated. Finally, suggestions for further research are given.
Academic Freedom And The Post-Garcetti Blues, Sheldon Nahmod
Academic Freedom And The Post-Garcetti Blues, Sheldon Nahmod
First Amendment Law Review
No abstract provided.
Structure Of The Catalytic Trimer Of Methanococcus Jannaschii Aspartate Transcarbamoylase In An Orthorhombic Crystal Form, Jacqueline Vitali, Michael J. Colaneri
Structure Of The Catalytic Trimer Of Methanococcus Jannaschii Aspartate Transcarbamoylase In An Orthorhombic Crystal Form, Jacqueline Vitali, Michael J. Colaneri
Physics Faculty Publications
Crystals of the catalytic subunit of Methanococcus jannaschii aspartate transcarbamoylase in an orthorhombic crystal form contain four crystallographically independent trimers which associate in pairs to form stable staggered complexes that are similar to each other and to a previously determined monoclinic C2 form. Each subunit has a sulfate in the central channel. The catalytic subunits in these complexes show flexibility, with the elbow angles of the monomers differing by up to 7.4 degrees between crystal forms. Moreover, there is also flexibility in the relative orientation of the trimers around their threefold axis in the complexes, with a difference of 4 …
What Do Teachers Know, Think And Intend To Do About Adhd?, Julie Kos
What Do Teachers Know, Think And Intend To Do About Adhd?, Julie Kos
School and system improvement
Attention-Deficit/Hyperactivity Disorder (ADHD) is a common childhood disorder affecting approximately 5% of primary school-aged children. The disorder is characterised by severe difficulties in one or more of three areas; inattention, impulsivity, and hyperactivity. Considering that primary school teachers are often the first to notice behavioural difficulties in children, it is surprising that relatively little research has been undertaken with teachers. The limited research that has been conducted on teachers’ knowledge has shown that knowledge scores range from 50 to 70%, and most attitudinal research has merely assessed knowledge. There is also a dearth of research assessing teachers’ classroom management of …
Minority Status And Managerial Survival In Major League Baseball, Brian Volz
Minority Status And Managerial Survival In Major League Baseball, Brian Volz
Economics Working Papers
The effect of minority status on managerial survival in Major League Baseball is analyzed using survival time analysis and data envelopment analysis. Efficiency scores based on team performance and player salary data from 1985 to 2006 are computed and included as covariates in a survival time analysis. It is shown that when controlling for performance and personal characteristics minorities are on average 9.6 percentage points more likely to return the following season. Additionally, it is shown that winning percentage has no impact on managerial survival when efficiency is controlled for.
Mapping Coral Reef Habitats In Southeast Florida Using A Combined Technique Approach, Brian K. Walker, Bernhard Riegl, Richard E. Dodge
Mapping Coral Reef Habitats In Southeast Florida Using A Combined Technique Approach, Brian K. Walker, Bernhard Riegl, Richard E. Dodge
Marine & Environmental Sciences Faculty Articles
To create maps of nearshore benthic habitats of Broward County, Florida, from 0 to 35 m depth, we combined laser bathymetry, acoustic ground discrimination, subbottom profiling, and aerial photography data in a geographic information system (GIS). A mosaic of interpolated, sun-shaded, laser bathymetry data served as the foundation upon which acoustic ground discrimination, limited subbottom profiling and aerial photography, and groundtruthing data aided in interpretation of habitats. Mapping criteria similar to NOAA biogeographic Caribbean mapping were used to allow for a comparable output. Expert-driven visual interpretation outlined geomorphological features at a scale of 1 : 6000 with a minimum mapping …
Volume 28, Number 3, September 2008 Olac Newsletter, Pat Loghry, Jan Mayo, Jay Weitz, Barbara Vaughan, Douglas King
Volume 28, Number 3, September 2008 Olac Newsletter, Pat Loghry, Jan Mayo, Jay Weitz, Barbara Vaughan, Douglas King
OLAC Newsletters
Digitized September 2008 issue of the OLAC Newsletter.
Law Clerk Influence On Supreme Court Decision Making: An Empirical Assessment , Todd C. Peppers, Christopher Zorn
Law Clerk Influence On Supreme Court Decision Making: An Empirical Assessment , Todd C. Peppers, Christopher Zorn
DePaul Law Review
No abstract provided.
Enhanced Secondary Organic Aerosol Formation Due To Water Uptake By Fine Particles, Stephen R. Hennigan, M Bergin, Jack E. Dibb, Rodney J. Weber
Enhanced Secondary Organic Aerosol Formation Due To Water Uptake By Fine Particles, Stephen R. Hennigan, M Bergin, Jack E. Dibb, Rodney J. Weber
Earth Sciences
This study characterizes the partitioning behavior of a significant fraction of the ambient organic aerosol through simultaneous measurements of gas and particle watersoluble organic carbon (WSOC). During the summer in Atlanta, WSOC gas/particle partitioning showed a strong RH dependence that was attributed to particulate liquid water. At elevated RH levels (>70%) a significant increase in WSOC partitioning to the particle phase was observed and followed the predicted water uptake by fine particles. The enhancement in particle-phase partitioning translated to increased median particle WSOC concentrations ranging from 0.3 –0.9 mgCm3 . The results provide a detailed overview of the WSOC …
A Case Study Of A Successful Lake Rehabilitation Project In South-Central Nebraska, Peter J. Spirk, Brad Newcomb, Keith D. Koupal
A Case Study Of A Successful Lake Rehabilitation Project In South-Central Nebraska, Peter J. Spirk, Brad Newcomb, Keith D. Koupal
The Prairie Naturalist
Cottonmill Lake, a 17.4 ha impoundment located in Buffalo County, Nebraska, was a fishery dominated by common carp (Cyprinus carpio). As a result of the poor sportfish populations, angler participation in May and June of 1993 was low (503 ± 210 angler hours) and angler catch rates for all fish species (0.5 ± 0.4 fish/angler hour) was less than desired. In 1995, before rehabilitation, bluegill (Lepomis macrochirus) trap net catch per unit effort (CPUE) was 1.5 ± 0.9, largemouth bass (Micropterus salmoides) catch per hour of electrofishing was 8.0 ± 0.5, and channel catfish (Ictalurus punctatus) …
The Prairie Naturalist. Volume 40, No. 3/4 September/December 2008, The Great Plains Natural Science Society
The Prairie Naturalist. Volume 40, No. 3/4 September/December 2008, The Great Plains Natural Science Society
The Prairie Naturalist
WINTERKILL AND BIOMASS OF THE PAINTED TURTLE IN A SOUTH DAKOTA WETLAND. S. G. Platt, Z. Fast Horse, W. Cross, S. Mannel, and T. R. Rainwater
NON-BLACKBIRD AVIAN OCCURRENCE AND ABUNDANCE IN NORTH DAKOTA SUNFLOWER FIELDS. O. A. Schaaf, G. M. Linz, C. Ooetkott, M. W. Lutman, and W. J. Bleier
USING LOCAL KNOWLEDGE AND REMOTE SENSING TO MAP KNOWN AND POTENTIAL PRAIRIE-CHICKEN DISTRIBUTION IN KANSAS. M. E. Houts, R. O. Rodgers, R. D. Applegate, and W. H. Busby
A CASE STUDY OF A SUCCESSFUL LAKE REHABILITATION PROJECT IN SOUTH-CENTRAL NEBRASKA. P. J. Spirk, B. A. Newcomb, and K. O. …
Non-Blackbird Avian Occurrence And Abundance In North Dakota Sunflower Fields, Dionn A. Schaaf, George M. Linz, Curt Doetkott, Mark W. Lutman, William J. Bleier
Non-Blackbird Avian Occurrence And Abundance In North Dakota Sunflower Fields, Dionn A. Schaaf, George M. Linz, Curt Doetkott, Mark W. Lutman, William J. Bleier
The Prairie Naturalist
Sunflower fields are well-documented as foraging habitat for fallmigrating blackbirds (Family Icteridae). There is, however, a paucity of information on the use of sunflower fields by non-blackbirds. We assessed non-blackbird use of 12 ripening sunflower fields in the Prairie Pothole Region of central North Dakota. From mid-August to mid-October 2000, we counted 4,129 individual birds, consisting of 22 families and 61 species, in the sample fields and within 5 m of the field edges. We saw the largest number of birds from 18 September to 27 September. The Family Emberizidae (sparrows) accounted for 26% of the species and 20% of …
Using Local Knowledge And Remote Sensing To Map Known And Potential Prairie-Chicken Distribution In Kansas, Michael E. Houts, Randy D. Rodgers, Roger D. Applegate, William H. Busby
Using Local Knowledge And Remote Sensing To Map Known And Potential Prairie-Chicken Distribution In Kansas, Michael E. Houts, Randy D. Rodgers, Roger D. Applegate, William H. Busby
The Prairie Naturalist
The greater prairie-chicken (Tympanuchus cupido) and lesser prairie-chicken (Tympanuchus pallidicinctus) have experienced considerable fluctuations in their range and distribution over time. Having current range maps would help wildlife managers and policy makers with decisions regarding prairie-chicken habitat. To create an updated and accurate map of the Kansas prairie-chicken range, a two-pronged approach was implemented. First, a map of potential habitat was created by using known habitat preferences and avoidance factors. Second, a preliminary map showing the distribution of greater and lesser prairie-chickens was created and mailed to regional experts for comments and edits. The returned edits …
Borda Meets Pascal, Marie K. Jameson, Gregory Minton '08, Michael E. Orrison
Borda Meets Pascal, Marie K. Jameson, Gregory Minton '08, Michael E. Orrison
All HMC Faculty Publications and Research
Every so often (especially in mathematics), unforeseen connections between different ideas arise and beg explanation. This happened to us when, in an effort to generalize the voting procedure known as the Borda count, we began to see vectors of the form (-1, 1), (1, -2, 1), (-1, 3, -3, 1), (1, -4, 6, -4, 1), and so on. As you might imagine, we were instantly intrigued by this unanticipated relationship with Pascal's triangle, and we quickly set out to find an explanation. This article describes some of our initial findings.
SPitzer Irac Infrared Colours Of Submillimetre-Bright Galaxies, Min S. Yun, Itziar Aretxaga, Matthew L.N. Ashby, Jason Austermann, Giovanni G. Fazio, Mauro Giavalisco, Jia Sheng Huang, David H. Hughes, Sungeun Kim, James D. Lowenthal, Thushara Perera, Kim Scott, Grant Wilson, Joshua D. Younger
SPitzer Irac Infrared Colours Of Submillimetre-Bright Galaxies, Min S. Yun, Itziar Aretxaga, Matthew L.N. Ashby, Jason Austermann, Giovanni G. Fazio, Mauro Giavalisco, Jia Sheng Huang, David H. Hughes, Sungeun Kim, James D. Lowenthal, Thushara Perera, Kim Scott, Grant Wilson, Joshua D. Younger
Astronomy: Faculty Publications
High-redshift submillimetre-bright galaxies identified by blank field surveys at millimetre and submillimetre wavelengths appear in the region of the Infra Red Array Camera (IRAC) colour-colour diagrams previously identified as the domain of luminous active galactic nuclei (AGNs). Our analysis using a set of empirical and theoretical dusty starburst spectral energy distribution (SED) models shows that power-law continuum sources associated with hot dust heated by young (≲100 Myr old), extreme starbursts at z > 2 also occupy the same general area as AGNs in the IRAC colour-colour plots. A detailed comparison of the IRAC colours and SEDs demonstrates that the two populations …