Miracle-dz/UniFAR-FTUs huggingface dataset:
An analytical model for the dimensioning of a GPRS/EDGE network with a capacity constraint on a group of cells

This paper is a contribution to the generic problem of having simple and accurate models to dimension radio cells with data traffic on a GPRS or EDGE network. It addresses the issue of capacity limitation in a given cell due to coupling with other cells because of a central equipment or transmission link of limited capacity. A mobile station can't access the requested resource although it is alone in a cell. The traffic on other coupled cells leads to reach the global capacity limit. Our objective is to avoid the derivation of any multi-dimensional Markovian (or semi-Markovian) model, where each dimension corresponds to a given cell of the system. Such direct extensions would be of non-manageable complexity. Instead we derive an analytical model that captures in an aggregate way the coupling between cells. We show that the performance parameters of the GPRS/EDGE network can be derived quickly and with a very good accuracy. Finally, as our modeling framework allows very fast computations, we show how to use it to perform complex iterative dimensioning studies.
Some Notes on Syllable Structure in Articulatory Phonology

Abstract Two approaches to seeking stable patterns in the gestural organization of speech are examined: local organization (individual gestures coordinated with other individual gestures) and global organization (gestures forming larger conglomerates). Articulatory evidence from American English words with a variety of initial consonants and clusters shows that syllable-initial consonants form a global organization (indexed by a metric we term the C-center) that is coordinated with the syllable’s vowel gesture. For syllable-final consonants, however, the evidence suggests that a local organization is employed: The first postvocalic consonant gesture is coordinated with the vowel gesture. Implications of these different styles of organization for the perceptual and phonological structure of speech are discussed.
The effect of glucose on transcription at CpxR and OmpR-regulated promoters

This Thesis is brought to you for free and open access by the Theses and Dissertations at Loyola eCommons. It has been accepted for inclusion in Master's Theses by an authorized administrator of Loyola eCommons. For more information, please contact ecommons@luc.edu. iii ACKNOWLEDGMENTS First and foremost, I would like to thank my advisor Dr. Alan Wolfe for his time and guidance in my graduate career. I would also like to thank my committee members Dr. Chris Weithoff and Dr. Karen Visick for not only their time as committee members but for valuable technical advice. I would also like to thank my fellow classmates as well as members of the Forest Preserve United Football Club for providing me with fun and unique ways to discuss science. Finally, I would like to thank my parents and grandparents, whom without their never ending support and advice, this thesis would not have been possible. me with the gift of education v TABLE OF CONTENTS ACKNOWLEDGMENTS iii LIST OF TABLES vii LIST OF FIGURES viii LIST OF ABBREVIATIONS x ABSTRACT xii CHAPTER ONE: INTRODUCTION 1 CHAPTER TWO: LITERATURE REVIEW 7 Phosphorylation 7 Glycosylation 10 Acetylation 11 CHAPTER THREE: MATERIALS AND EXPERIMENTAL METHODS 15 Bacterial strains 15 Chemical and biological reagents 15 Bacterial media and growth conditions 15 Antibiotics 16 Generalized P1 transduction 16 Transformation 17 Luminescence readings 17 Fluorescence readings 18 CHAPTER FOUR: RESULTS 21 Response of other CpxR-regulated promoters to exogenous glucose 21 Screen of CpxR-regulated promoters 26 Categories of CpxR-regulated promoters in response to glucose 27 Response of CpxR-regulated promoters to nicotinamide 29 Summary 30 CHAPTER FIVE: RESULTS 32 Validating the fluorescent dual-reporter strain 33 ompC transcription varies between strain backgrounds 39 vi Glucose-regulated ompC and ompF transcription requires the response regulator OmpR 44 EnvZ is required for glucose-regulated transcription at ompC, but not at ompF 46 Glucose-regulated ompC and/or ompF transcription does not involve acetylation of the RNAP-OmpR complex 48 Glucose-regulated ompC and/or ompF transcription does not depend on the acetyltransferase YfiQ 48 Glucose-regulated ompC and ompF transcription is not sensitive to the deacetylase CobB 49 Glucose-regulated ompC and/or ompF transcription does not require acetylation of certain lysine residues on RNAP 51 Glucose-regulated ompC and/or ompF transcription is not sensitive to the AcCoA:CoA ratio 53 Summary 54 CHAPTER SIX 56 The effect of glucose on CpxR-regulated promoters 56 The effect of glucose on the ompC and ompF promoters 60 The effect of …
Effects of tractography approach on consistency between anatomical and functional connectivity estimates

Diffusion magnetic resonance imaging (dMRI) and resting state functional MRI (RS-fMRI) provide two complementary views of brain circuitry. dMRI facilitates the estimation of anatomical connectivity (AC) through fiber tractography, while RS-fMRI enables the estimation of functional connectivity (FC) based on temporal signal correlations between different brain areas. Recently, there is a methodological push in developing techniques to integrate dMRI and RS-fMRI for multimodal connectivity estimation, success of which highly depends on the consistency between the AC and FC estimates. Using the Human Connectome Project (HCP) data, we show increased AC-FC consistency with streamline tractography on orientation distribution functions (ODFs) compared to using conventional diffusion tensors. We also demonstrate a further, though smaller, improvement when global tractography on ODFs is deployed. Our results suggest that while accurate ODF estimation is important, more attention should be focused on improving tractography methods, which we believe could be highly beneficial.
Glutathione Is Involved in Environmental Stress Responses in Rhizobium tropici, Including Acid Tolerance

ABSTRACT The isolation of rhizobial strains which exhibit an intrinsic tolerance to acidic conditions has been reported and has facilitated studies on the basic mechanisms underlying acid tolerance.Rhizobium tropici strain CIAT899 displays a high intrinsic tolerance to acidity and therefore was used in this work to study the molecular basis of bacterial responses to acid conditions and other environmental stresses. We generated a collection of R. tropici CIAT899 mutants affected in acid tolerance using Tn5-luxAB mutagenesis, and one mutant strain (CIAT899-13T2), which fails to grow under acid conditions, was characterized in detail. Strain CIAT899-13T2 was found to contain a single Tn5-luxAB insertion in a gene showing a high degree of similarity with the Escherichia coli gshB gene, encoding the enzyme glutathione synthetase. Intracellular potassium pools and intracellular pH levels were found to be lower in the mutant than in the parent. The glutathione-deficient mutant was shown to be sensitive to weak organic acids, osmotic and oxidative stresses, and the presence of methylglyoxal. Glutathione restores responses to these stresses almost to wild-type levels. Our data show that in R. tropici the production of glutathione is essential for growth in extreme environmental conditions. The mutant strain CIAT899-13T2 induced effective nodules; however, it was found to be outcompeted by the wild-type strain in coinoculation experiments.
Modelling Of Downhole Seismic Sources I: Literature Review, Review Of Fundamentals, Impulsive Point Source In A Borehole

This paper represents the first of a two paper sequence comprising a multi-faceted introduction to the numerical and analytical modelling of seismic sources in a borehole. Part one will present a literature review and a review of the fundamental mathematical descriptions of wave propagation outside a borehole. By listing the mathematical descriptions here we can show the equivalence and interrelationships of many treatments presented in the literature. Part one will conclude with an outline of the familiar discrete wavenumber technique as applied to modelling radiation outside a borehole from a point source inside a borehole. Part two will attempt to isolate the effects of the fluid-filled borehole on the radiation of a borehole source by comparing radiation patterns for three cases: a point source in an infinite medium, a stress applied to the wall of an empty borehole (Heelan's (1953) result) and a point source in a fluid-filled borehole (Lee and Balch, 1982). Heelan's results will also be analyzed and defended against criticism of them brought by Jordan (1962) and Abo-Zena (1978). The literature review will be thorough and will include the work done directly on modelling downhole seismic sources and the comparatively larger amount of work done on modelling sources for acoustic logging purposes which is directly applicable. Different authors publishing work on seismic sources have made widely different symmetry assumptions ranging from no symmetry to axisymmetry to symmetry along the z axis. These differences hamper the ability to directly compare results between the different treatments. Compounding the differences in symmetry are the use of different time dependencies (e-iw',e iw') and the use of different Hankel function or modified Bessel function strategies. Therefore, the mathematical fundamentals of wave
Online Learning in Markov Decision Processes with Changing Cost Sequences

In this paper we consider online learning in finite Markov decision processes (MDPs) with changing cost sequences under full and bandit-information. We propose to view this problem as an instance of online linear optimization. We propose two methods for this problem: MD2 (mirror descent with approximate projections) and the continuous exponential weights algorithm with Dikin walks. We provide a rigorous complexity analysis of these techniques, while providing near-optimal regret-bounds (in particular, we take into account the computational costs of performing approximate projections in MD2). In the case of full-information feedback, our results complement existing ones. In the case of bandit-information feedback we consider the online stochastic shortest path problem, a special case of the above MDP problems, and manage to improve the existing results by removing the previous restrictive assumption that the state-visitation probabilities are uniformly bounded away from zero under all policies.
Optimal forcing patterns for coupled models of ENSO

The optimal forcing patterns for El Nino–Southern Oscillation (ENSO) are examined for a hierarchy of hybrid coupled models using generalized stability theory. Specifically two cases are considered: one where the forcing is stochastic in time, and one where the forcing is time independent. The optimal forcing patterns in these two cases are described by the stochastic optimals and forcing singular vectors, respectively. The spectrum of stochastic optimals for each model was found to be dominated by a single pattern. In addition, the dominant stochastic optimal structure is remarkably similar to the forcing singular vector, and to the dominant singular vectors computed in a previous related study using a subset of the same models. This suggests that irrespective of whether the forcing is in the form of an impulse, is time invariant, or is stochastic in nature, the optimal excitation for the eigenmode that describes ENSO in each model is the same. The optimal forcing pattern, however, does vary from model to model, and depends on air–sea interaction processes. Estimates of the stochastic component of forcing were obtained from atmospheric analyses and the projection of the dominant optimal forcing pattern from each model onto this component of the forcing was computed. It was found that each of the optimal forcing patterns identified may be present in nature and all are equally likely. The existence of a dominant optimal forcing pattern is explored in terms of the effective dimension of the coupled system using the method of balanced truncation, and was found to be O(1) for the models used here. The implications of this important result for ENSO prediction and predictability are discussed.
M-Solid Varieties of Languages

In this paper, a characterization of the language varieties and congruence varieties corresponding to M-solid pseudovarieties is presented. Taking into account the isomorphisms of the Eilenberg-type correspondences, each complete sublattice of pseudovarieties corresponds to a complete sublattice of language varieties, as well as another one of congruence varieties. For the varieties of tree language, we present the complete sublattices of varieties of languages and the complete sublattice of varieties of congruences isomorphic to the complete sublattice of all M-solid pseudovarieties.
Resistance-Based Performance Analysis of the Consensus Algorithm over Geometric Graphs

The performance of the linear consensus algorithm is studied by using a linear quadratic (LQ) cost. The objective is to understand how the communication topology influences this algorithm. This is achieved by exploiting the analogy between Markov chains and electrical resistive networks. Indeed, this allows us to uncover the relation between the LQ performance cost and the average effective resistance of a suitable electrical network and, moreover, to show that if the communication graph fulfills some local properties, then its behavior can be approximated by that of a grid, which is a graph whose associated LQ cost is well known.
To What Extent Do Unique Parts Influence Recognition Across Changes in Viewpoint?

We investigated how varying the number of unique parts within an object influences recognition across changes in viewpoint The stimuli were shaded objects composed of five three-dimensional volumes linked end to end with varying connection angles Of the five volumes, zero, one, three, or five were qualitatively distinct (e g, brick vs cone), the rest being tubes Sequential-matching and naming tasks were used to assess the recognition of these stimuli over rotations in depth Three major results stand out First, regardless of the number of distinct parts, there was increasingly poorer recognition performance with increasing change in viewpoint Second, the impact of viewpoint change for objects with one unique part was less than that for the other objects Third, additional parts beyond a single unique part produced strong viewpoint dependency comparable to that obtained for objects with no distinct parts Thus, visual recognition may be explained by a view-based theory in which viewpoint-specific representations encode both quantitative and qualitative features.
Generating Natural Language Descriptions of Ontology Concepts

This paper gives an overview of ongoing work on a system for the generation of NL descriptions of classes defined in OWL ontologies. We present a general structuring approach for such descriptions. Since OWL ontologies do not by default contain the information necessary for lexicalization, lexical information has to be added to the data via annotations. A rule-based mechanism for automatically deriving these annotations is presented.
“ New ” Solanums

The nightshade family (Solanaceae) has provided many plants to humankind. The genus Sola mhas been particularly significant for it has furnished us with one of our basic food plants, the Irish potato ( S. tuberosum), as well as the widely used eggplant ( S. melongena ). The genus has recently become even more important with the addition of two other food plants—both because of recent changes in their names. The tomato, which has long been known as Lycopersicon esculentum, is now recognized as S. lycopersicum and the tree tomato, previously known as Cyphomandra betacea, has become S. betaceum. Three other Solanums— the pepino ( S. muricatum) the cocona ( S. sessiliflorum) and the naranjilla ( S. quitoense ), long valued for their fruits in South America, deserve greater attention.
Trade, Technology Adoption and the Rise of the Skill Premium in Mexico

In this paper I seek to quantify the impact of trade-induced technology adoption on the dramatic increase in the skill premium in Mexico after the unilateral trade liberalization of 1985. To do so, I develop and estimate a structural model of trade and technology adoption with heterogeneous rms in a small open economy. The choice of technology aects the productivity realizations that a rm receives, as well as it’s skill-intensity. The model is estimated using a Simulated Method of Moments estimator, and tted to the Mexican manufacturing sector for the period 1987-1990. The estimates indicate that trade-induced technology adoption can explain about one-sixth of the observed rise of the skill premium in Mexico.
Reliable Alert Fusion of Multiple Intrusion Detection Systems

Alert Fusion is a process of combining alerts from multiple Intrusion Detection Systems to make a decision about the presence of attack or intrusion. A reliable decision from an alert fusion requires that Intrusion detectors involved in the fusion process generates fully reliable alerts. The unreliable alerts from intrusion detectors may completely misleads the decision making process. The existing alert fusion operators doesn't incorporate reliability of Intrusion detectors. In this work, we have proposed a novel alert fusion method which overcomes the limitations of existing fusion methods and fulfils the requirements for alert fusion domain. We have demostrated the results for two different approaches of deriving reliability value of intrusion system detector which are based on conflict and true positive rate of intrusion detectors. The results shows the robustness of proposed rule in fusing alerts from multiple intrusion detection system. Our proposed approach shows a drastic reduction in false positive rate without affecting the true positive rate.
The Influence Of Personal Interpretation On Nature Walk Participant Knowledge, Perceived Importance Of Interpretation, And Perceived Ability To Communicate Conservation Messages

Interpretation in Recreation has been shown to increase participant’s view of parks as a special place, attachment to parks, enjoyment of surroundings, and awareness of park policies. Interpretation in recreation can come in one of two forms, personal interpretation or media interpretation. This study seeks to further investigate the roles of these two different types of interpretation and how they affect an individual’s perceived importance of interpretation, perceived knowledge of the local ecology, history, and geology, and perceived ability to convey conservation messages. Participants in the study were chosen based on convenience, and then randomly divided into two groups (treatment and comparison). The treatment group went on an interpretive hike guided by an interpreter (personal interpretation), while the comparison group went on an interpretive hike, but had no interpreter only interpretive signs (media interpretation). The individuals in the study were given paper surveys that were designed to evaluate their perceived importance of interpretation, perceived knowledge of the local ecology, history, and geology, and perceived ability to convey conservation messages. Statistical analyses of the participant’s responses showed mixed results. Taking into account the various limitations of this study no broad statements about interpretation can be made. However, many of the trends found in this study could have positive implications for the field of interpretation if verified by future studies.
Examining the Validity of a Model of Integrated Health Care Knowledge

Objective: The knowledge base and skills required for effective practice in integrated and behavioral health care are poorly specified. This study aims to identify types of knowledge and skills necessary for effective practice by empirically testing the content and structure of a model of integrated health care knowledge. Method: Participants (N = 154) worked in integrated primary care, specialty medical care, and specialty mental health with an average of 5.75 years (SD = 5.82) of experience in integrated care. They completed a 36-item self-report online questionnaire—developed from constructs identified in a prior systematic review of integrated care models—about necessary knowledge in four subdomains: medical diagnoses, psychiatric diagnoses, screening measures, and interventions. Results: Findings from confirmatory factor analyses indicated that behavioral health providers working in adult integrated health care settings must have knowledge of specific medical diagnoses, psychiatric diagnoses, medical and mental health screening measures, medications, levels of care, lifestyle interventions, and brief substance abuse and therapeutic interventions. Conclusions: The results provide evidence of the specific diagnostic categories, screening measures, and interventions that constitute essential integrated health care knowledge for behavioral health providers. Implications for practice and future research are discussed.
Association between serum beta-carotene levels and decline of cognitive function in high-functioning older persons with or without apolipoprotein E 4 alleles: MacArthur studies of successful aging.

BACKGROUND Growing evidence from animal studies suggests an interaction between antioxidants and apolipoprotein E (APOE) alleles on cognitive functioning. We used data from a 7-year cohort study of high-functioning older persons to explore whether the associations between serum beta-carotene level and subsequent decline of cognitive function differed by APOE 4 genotype. METHODS Baseline information on sociodemographic characteristics, serum beta-carotene level, inflammation markers, APOE genotype, and cognitive functioning measured by a 9-item Short Portable Mental Status Questionnaire (SPMSQ) was obtained in 455 survivors. Multivariable logistic regression analyses were used to examine the relation between high serum beta-carotene level and risk of SPMSQ score decline in participants with or without APOE 4 alleles, while adjusting for age, sex, race, baseline SPMSQ score, and other covariates. RESULTS Nine (2%) study participants had homozygous and 97 (21%) had heterozygous APOE 4 alleles. Two hundred forty-nine (55%) had decline of SPMSQ scores during the follow-up. The presence of an APOE 4 allele was associated with higher risk and larger magnitude of SPMSQ score decline. The adjusted odds ratio of high beta-carotene level for cognitive decline was 0.11 (95% confidence interval, 0.02-0.57) in participants with at least one APOE 4 allele and 0.89 (95% confidence interval, 0.54-1.47) among those who were APOE 4 negative. CONCLUSION Among high-functioning older persons, antioxidants and beta-carotene in particular may offer protection from cognitive decline in persons with greater genetic susceptibility as evidenced by the presence of the APOE 4 allele.
The cornerstones of museum performance. A cross-national analysis

ABSTRACT Increasing competition among leisure attractions is hindering museum socio-cultural and economic performance. This study analyses the impact of innovation and market orientation on museum performance. In addition, it seeks to offer more specific contributions in relation to the influence of managers’ attitudes concerning museum management decisions on how to adopt increased market orientation. This research targeted two samples that entailed 397 and 272 Spanish and Latin American museums respectively. Partial least squares multi-group analysis was used to accomplish this study’s objectives. Research findings provide some evidence that museum performance is influenced by innovation and market orientation, but the most significant link shown by the proposed model is between market orientation and innovation. This cross-national research seeks to test a model of museum performance in two different places to provide results that suggest further managerial contributions and avenues for future research.