Miracle-dz/UniFAR-FTUs huggingface dataset:
Graduating to Postdoc: Information-Sharing in Support of Organizational Structures and Needs

Richard M. Keller, 1Helen J. Stewart, 1Paul J. Lucas. 2 Michael M. Compton, 3Vinod Baya, _ and Martha Del Alto, 2Ames Research CenterSummaryThe deployment of information-sharing systems in largeorganizations can significantly impact existing policiesand procedures with regard to authority and control overinformation. Unless information-sharing systemsexplicitly support organizational structures and needs,these systems will be rejected summarily. The Postdocsystem is a deployed Web-based information-sharingsystem created specifically to address organizational needs.Postdoc contains various organizational support featuresincluding a shared, globally navigable document space, aswell as specialized access control, distributedadministration, and mailing list features built around thekey notion of hierarchical group structures. We reviewsuccesses and difficulties in supporting organizationalneeds with Postdoc.KeywordsDocument-sharing, access control, user groups,organizational groupwareIntroductionWith the advent of the World Wide Web, the use ofdocument-sharing and information exchange systems tofacilitate communication and collaboration is burgeoningwithin large organizations. Pioneered by Lotus Notes[ref. 1] and BSCW [refs. 2-5], many new systems havebeen developed in the commercial sector and are quicklyinfiltrating the marketplace. Some of these new systemsinclude DocuShare [ref. 6], Livelink Internet [ref. 7],Virtual File Cabinet [ref. 8], and RightSite [ref. 9]. Web-based delivery makes these systems more viable and moreaffordable for large organizations, given the ubiquitouspresence of Web clients.For the most part, the technical challenges of providingcross-platform, asynchronous document-sharing andinformation exchange via the Web are well understood.Less certain is how to design and engineer these systemsappropriately for widespread and effective organizationaluse. For information-sharing systems to gain acceptance,they must support organizational needs and structures, andmust respect existing organizational patterns ofcommunication. Without careful design, information-sharing systems have the potential to disturb theorganizational balance along two central axes: informationcontrol (i.e., what information is available, and to whom)and organizational authority (i.e., how is informationcontrol managed). Information is a valuable organizational resource, and theresponsibility either to disseminate or withholdinformation is delegated to individuals with appropriateoversight and authority within the organization.Traditionally, organizational authority is delegated inaccordance with the prevailing management structure asset forth in an organization chart, and information controlis guided by a set of policies and procedures. Differentorganizations can be characterized as being at differentplaces in the space of information control andorganizational authority. At one extreme, an organizationmay exert tight control over information access and grant
Distinctive patterns of GABAA receptor subunit mRNAs in 13 cell lines

We have investigated the GABAA receptor mRNA composition in 13 cell lines, using 13 subunit-specific oligo-primers (alpha 1–6, beta 1–3, gamma 1–3, and delta) and reverse transcriptase PCR amplification. Cell lines (B35, B65, B103, B104, RINm5F, Rat1, PC12, C6, C17, C27, beta TC3, NB41A3, AtT-20), derived from diverse tissue origins, were investigated in order to identify homogeneous cellular sources with distinctive GABAA receptor subunits. Fifteen GABAA receptor subunits have been cloned from mammalian tissue (those listed above plus the retinal subunits rho 1 and rho 2). This multiplicity of GABAA receptor subunits underlies the diverse pharmacology of the GABAA receptor. Attempts to understand the regulation and pharmacology of individual subunits and of the heterooligomeric receptor combinations have been impeded by a lack of pure populations of cells expressing GABAA receptor subunits. Permanent cell lines provide such a resource. Each GABAA receptor subunit mRNA, alpha 1–5, beta 1–3, gamma 1–3, and delta, was detected in at least one cell line. All cell lines examined contained detectable levels of at least one GABAA receptor subunit mRNA. Each cell line contained distinctive combinations of subunit mRNAs. None of the cell lines examined contained detectable amounts of alpha 6 mRNA. These cell lines, which transcribe GABAA receptor subunit mRNAs, provide useful cellular sources for transcriptional and pharmacological studies. Our data also suggest that endogenous GABAA receptor subunit mRNAs may be present in cells that are routinely used for transfection studies, and that this expression might confound interpretation of the studies. In the following companion article, we have looked for functional GABAA receptor Cl- ion channels in these cell lines, using the patch-clamp technique (Hales and Tyndale, 1994).
Investigation of Attentional Bias in Obsessive Compulsive Disorder with and without Depression in Visual Search

Whether Obsessive Compulsive Disorder (OCD) is associated with an increased attentional bias to emotive stimuli remains controversial. Additionally, it is unclear whether comorbid depression modulates abnormal emotional processing in OCD. This study examined attentional bias to OC-relevant scenes using a visual search task. Controls, non-depressed and depressed OCD patients searched for their personally selected positive images amongst their negative distractors, and vice versa. Whilst the OCD groups were slower than healthy individuals in rating the images, there were no group differences in the magnitude of negative bias to concern-related scenes. A second experiment employing a common set of images replicated the results on an additional sample of OCD patients. Although there was a larger bias to negative OC-related images without pre-exposure overall, no group differences in attentional bias were observed. However, OCD patients subsequently rated the images more slowly and more negatively, again suggesting post-attentional processing abnormalities. The results argue against a robust attentional bias in OCD patients, regardless of their depression status and speak to generalized difficulties disengaging from negative valence stimuli. Rather, post-attentional processing abnormalities may account for differences in emotional processing in OCD.
Antigen presentation by liposomes bearing class II MHC and membrane IL-1.

Liposomes containing membrane IL-1, Iak, and the antigen conalbumin were evaluated as "synthetic antigen presenting cells. " The role of these three molecules in macrophage-T cell interaction was studied by testing their ability to induce the proliferation of a T-cell clone specific to conalbumin (the D10 cell line) or immune spleen cells sensitized three times in vivo with conalbumin. In the latter case, splenic macrophages were eliminated by adherence and a lysomotropic agent. The antigen conalbumin was presented on the surface of the liposomes as native undigested protein. When the liposomes presented native conalbumin, Iak, and membrane IL-1, significant proliferation occurred, but if the liposomes lacked membrane IL-1, the proliferation of the T-cell clone and the spleen cells reached only about 60 percent of the previous signal. Native conalbumin and class II antigen alone were required for T-cell activation, while membrane IL-1 only amplified the response. When the liposomes were made with only Iak and membrane IL-1, lacking conalbumin, there was no proliferation of antigen-specific target cells. These results indicated that in this synthetic system, membrane IL-1 increases the magnitude of the response but is not essential for the proliferative response of antigen-specific T cells.
CHETAN , SRIGIRIRAJU , KISHAN . Noninferior Surface Tracing Evolutionary Algorithm ( NSTEA ) for Multi Objective Optimization

CHETAN, SRIGIRIRAJU, KISHAN. Noninferior Surface Tracing Evolutionary Algorithm (NSTEA) for Multi Objective Optimization (Under the direction of Dr. S. Ranjithan.) Evolutionary algorithms are becoming increasingly valuable in solving largescale, realistic engineering problems. Most of these problems deal with sufficiently complex issues that typically conflict with each other, thus requiring multi objective (MO) analyses to assist in identifying compromise solutions. The focus of this paper is to develop and test a new multi objective evolutionary algorithm (MOEA). The new procedure, Noninferior Surface Tracing Evolutionary Algorithm (NSTEA), builds upon two fundamental concepts that are established in the mathematical programming literature for MO analysis. Implicit implementation of Pareto optimality and beneficial seeding of initial population are instrumental in the improved performance. NSTEA was evaluated by solving a suite of test problems reported in the MOEA literature. Performance with respect to accuracy, coverage, and spread of noninferior solutions generated by NSTEA is evaluated and compared with those of solutions generated by four other MOEAs that are widely accepted. Also, in some cases, comparisons are made with noninferior sets generated using mathematical programming techniques. Overall, NSTEA performs relatively better than the other MOEAs when tested on these problems. Application and performance evaluation of NSTEA in solving a real-world MO engineering optimization problem was also conducted. In comparison to published mathematical programming-based noninferior solutions, the NSTEA solutions performed well. In summary, this paper contributes to the MOEA literature by presenting NSTEA as a good alternative evolutionary algorithm-based multi objective method that is relatively simple to implement and to incorporate into existing implementations of evolutionary algorithm-based optimization procedures. Noninferior Surface Tracing Evolutionary Algorithm (NSTEA) for Multi Objective Optimization
Endothelial cell's response to proteostatic dysregulation: pursuing the protective action of ghrelin

COSTA, Daniela Alexandra Dinis - Endothelial cell's response to proteostatic dysregulation: pursuing the protective action of ghrelin = Resposta das celulas endoteliais a alteracao das proteostase: em busca do papel protetor da grelina. Coimbra : [s.n. ], 2016. Dissertacao de Mestrado.
Research Report: Empirical Test of an EDI Adoption Model

This paper is the first test of a parsimonious model that posits three factors as determinants of the adoption of electronic data interchange (EDI):readiness, perceived benefits, andexternal pressure. To construct the model, we identified and organized the factors that were found to be influential in prior EDI research. By testing all these factors together in one model, we are able to investigate their relative contributions to EDI adoption decisions. Senior purchasing managers, chosen for their experience with EDI and proximity to the EDI adoption decision, were surveyed and their responses analyzed using structural equation modeling. All three determinants were found to be significant predictors of intent to adopt EDI, with external pressure and readiness being considerably more important than perceived benefits. We show that the constructs in this model can be categorized into three levels:technological, organizational, andinterorganizational. We hypothesize that these categories of influence will also be determinants of the adoption of other emerging forms of interorganizational systems (IOS). 1
How to Pay Attention to the End of Our Life: An Interactive Installation in Cultural Computing

This paper contributes a novel research in cultural computing, by presenting an interactive installation which creates a unique experience for visitors to contemplate and conceptualize their own end of life, death resp. Our final goal is creating societal transformation and awareness through individual reflections. Death is ubiquities, but its conception is one of the deeply rooted cultural heritages, which varies dramatically among people and cultures. This paper describes different factors forming our notion of death and how we used scientific and engineered methods to make an experience for each individual regardless of his/her believes and religious point of view. Based on a theoretical framing we built an interactive installation to enable the visitor to get aware about his/her own death. Our focus is on inter-connectedness in cultural and sensorial personal experiences.
Understanding Continuance Intention in E-learning Community

The continuous growth of e! learning community has d rawn a lot of attention from IS researchers. However, studies have shown that most electronic communities are facing the problems with retaining members and motivating them for active participation. Based on irretrievable investments and IS continuance model, we propose a theoretical model employing reputation, trust, social ties, perceived usefulness and satisfaction to explain individuals’ continuance intention in an e! learning community. The research model is tested with the current users of an e! learning community (In tegrated Virtual Learning Environment). Reputation and social ties are found to be significant, while trust, perceived usefulness and satisfaction are not. Implications for theory and practice are drawn and discussed.
A Reevaluation of Methods for Assessing Dermal Exposure

PREFACE Under purchase order 43-57G3-3-C5374 from USDA/APHIS, SERA (1993) prepared a review and evaluation of methods used to estimate exposure to pesticides. The report, Special Issues Related to the Assessment of Pesticide Absorption, includes methods for estimating dermal absorption rates, the uptake of pesticides from contaminated vegetation, and worker exposure involving the application of pesticides. The analysis of dermal absorption rates and the uptake from contaminated vegetation are published in the open literature (Durkin et al. 1995). The analysis of worker exposure is not published in the open literature but is used by the Forest Service to conduct human health risk assessments under the current contract. The following paper presents a reanalysis of the dermal absorption data that is suitable for publication. Additional details of the analyses that would be too voluminous for a typical publication are included as part of the report submitted under this task [SERA TR 98-21-08-01d, dated May 15, 1998]. In preparing this paper for publication, some additional analyses were conducted that are not included in the formal report. ABSTRACT This paper reexamines an earlier analysis by the Durkin et al. (1995) on the different types of dermal exposure scenarios that may be characterized by either first-order or zero-order (Fick's first law) absorption models. In addition, this paper presents a substantial expansion and analysis of a unique and highly relevant series of studies by Feldmann and Maibach (1969, 1970, and 1974) that may be used to estimate first-order dermal absorption rate coefficients. The reanalysis of the Feldmann and Maibach data is based on estimated absorption rate coefficients rather than simple observed absorption rates, as well as a much less arbitrary censoring of the data compared to the earlier analysis by Durkin et al. (1995). In addition, the equations that describe the relationship of the absorption rate coefficients to physicochemical properties (Equations 12 and 13) are qualitatively similar to the equations recommended by U.S. EPA (1992) in the estimation of dermal permeability. While the underlying processes involved in dermal absorption are likely to be zero-order in cases where the individual is effectively immersed in a large volume of contaminated fluid, the present analysis suggests that 'dry deposition' scenarios are likely to be better modelled using the assumption of first-order dermal absorption. For highly lipophilic compound, nonetheless, the differences between these two methods when applied to comparable exposure scenarios is, in general, not likely to be substantial. For …
Experimental blocking of UV reflectance does not influence use of off-body display elements by satin bowerbirds

UV reflectance of plumage display is important in mate choice of many avian species, but its role in off-body display has received little consideration. Male satin bowerbirds (Ptilonorhynchus violaceus) collect objects for use as bower decorations. Here, I test the hypothesis that UV and non-UV colors are important in choice of satin bowerbird bower decorations (colored squares and blue parrot feathers) in an experiment using UV blocking agents at the bowers of 31 males. I found a highly significant preference for blue decorations but no evidence of a preference for UV-reflecting decorations. UV-blocked blue objects were used to the same extent as identical unblocked decorations, and UV-reflecting decorations that were not blue were not attractive. The evolution of off-body decoration displays may have contributed to a reduced role for UV-reflecting decoration displays in satin bowerbirds in 3 ways: 1) use of UV-reflecting display objects that are not made by the bird does not directly signal their owners' condition as would the birds own plumage, 2) because of the relatively low level of ambient UV light available to illuminate decorations displayed on a court the forest floor, UV may be less effective than other wavelengths for these displays, and 3) decorations that are both blue and UV reflective may be too rare under natural conditions to be effective signals of male quality. Off-body displays may provide very different kinds of information from plumage displays, and these differences may have contributed to the evolution of complex multicomponent displays. Copyright 2008, Oxford University Press.
Chapter 10 * : CYANOBACTERIA AND ALGAE

In freshwaters, scum formation by cyanobacterial phytoplankton is of concern to human health. Freshwater algae proliferate quite intensively in eutrophic waters and may contain irritative or toxic substances. Nevertheless, incidents of impairments of human or animal health caused by algae are rarely reported. One example was the closure of a number of bathing sites in Sweden because of mass occurrences of the flagellate Gonyostomum semen which causes skin irritations and allergies (Cronberg et al., 1988). Incidents attributed to cyanobacteria are far more numerous and, in most cases, have been caused by species of cyanobacteria that may accumulate to surface scums of extremely high cell density. As a result, the toxins they may contain ("cyanotoxins") reach concentrations likely to cause health effects. Surface aggregations of planktonic cyanobacteria occur because of their capability to regulate their buoyancy, enabling them to seek water depths with conditions optimal for their growth. Regulation of buoyancy is a slow process, and cells adapted to ambient turbulence may take several days to adapt their buoyancy when conditions change (e.g. turbulence is reduced). Thus, cells or colonies may show excessive buoyancy and accumulate at the water surface. Light winds drive such accumulations to leeward shores and bays, where the resulting scums become thick. In extreme cases, such agglomerations may become very dense, with cells frequently concentrated by a factor of 1,000 or more, eventually reaching in some cases, one million-fold concentrations with a gelatinous consistency. More frequently, surface accumulations are seen as streaks or slimy scums that may look like blue-green paint or jelly. Such situations can change rapidly within hours with changes in the wind direction. Monitoring strategies must take into account this highly dynamic variability of cyanotoxin occurrence in time and space. Scum formation is influenced by the morphological conditions of the water body, such as the water depth from which cyanobacteria can rise to the surface (i.e. the thickness of the stratum in which they are dispersed) and the length of wind fetch over which surface aggregations can be swept together to form shoreline scums (Figure 10.1). Accumulated scum material may take a long time to disperse especially in shallow bays. Dying and lysing cells within the scum release their contents, including the toxins, into the water. However, toxin dissolved in the water is rapidly diluted and probably also degraded. Cell-bound cyanotoxin concentrations usually are the greater cause for concern in recreational waters. Most of …
Multiple Feature Extraction for Content-Based Image Retrieval of Carotid Plaque Ultrasound Images

The extraction of multiple features from highresolution ultrasound images of atherosclerotic carotid plaques characterizing the plaque morphology and structure can be used for the retrieval of similar plaques and the identification of individuals with asymptomatic carotid stenosis at risk of stroke. The objective of this work was to develop a computer aided system that will facilitate the automated retrieval of similar carotid plaque ultrasound images based on texture, shape, morphological, histogram and correlogram features, and the neural self organising map (SOM) and the statistical Knearest neighbour (KNN) classifiers. The results in this work show that content-based image retrieval for carotid plaque image is feasible reaching a correct retrieval rate of 76%. II. MATERIAL Ultrasound scans of carotid plaques were performed using duplex scanning and color flow imaging. A total of 336 carotid plaque ultrasound images (137 symptomatic and 199 asymptomatic) were analysed. For training the system 90 symptomatic and 90 asymptomatic plaques were used, whereas for evaluation of the system the remaining 109 symptomatic and 47 asymptomatic plaques were used. The carotid plaques were labeled as symptomatic after one of the following symptoms was identified: Stroke, transient ischemic attack or amaurosis fugax.
Learning from disruptive classroom behaviour in a Grade 2 mathematics lesson

In this article, Mason’s ‘discipline of noticing’ is used to theorise a reflective process for changing mathematics teaching in a challenging context. The methodological approach was guided by critical reflective processes that produced, firstly, a descriptive ‘account-of’ an unsuccessful mathematics lesson, followed by layers of analyses drawing on theory and literature that guided our development of ‘accounts-for’ the classroom interactions. This example of a South African teacher-researcher’s self-study on disruptive learner behaviour in her Foundation Phase mathematics class is useful at the practitioner level, in which it details how increasingly critical layers of pedagogic reflection can be used to transform mathematics teaching, and via this route, to improve access to mathematical learning in a challenging context. At the research and policy levels, our findings question the separation of attention to mathematics and learner behaviour, rather than addressing the two in combination.
Online gait task recognition algorithm for hip exoskeleton

In this paper, we propose a novel online gait task recognition algorithm for hip exoskeleton. The proposed algorithm provides an automatic and prompt recognition result in just one step based on the relations between both hip joint angles at the moment of foot contact. Gait task recognition is one of the challenges that walking assist devices must address to offer adaptable and reliable assistance to users. However gait task recognition in hip exoskeleton is challenging because the sensors are very limited and fast gait task recognition is required to prevent inadequate assistance and reduce fall risk. Although in general foot contact event can be considered as crucial information during walking, it has not received attention in hip exoskeletons with no sensors corresponding foot force or pressure. In this study, we exploit foot contact event as a critical point to perform gait task recognition in hip exoskeleton. The proposed algorithm suggests a foot contact estimation method without using any foot force or pressure sensors and a rule-based inference system to recognize a new gait task in real time. Results presented from experiments will demonstrate the validity and performance of the proposed algorithm.