Miracle-dz/UniFAR-FTUs huggingface dataset:
Shewanella oneidensis MR-1 Uses Overlapping Pathways for Iron Reduction at a Distance and by Direct Contact under Conditions Relevant for Biofilms

ABSTRACT We developed a new method to measure iron reduction at a distance based on depositing Fe(III) (hydr)oxide within nanoporous glass beads. In this “Fe-bead” system, Shewanella oneidensis reduces at least 86.5% of the iron in the absence of direct contact. Biofilm formation accompanies Fe-bead reduction and is observable both macro- and microscopically. Fe-bead reduction is catalyzed by live cells adapted to anaerobic conditions, and maximal reduction rates require sustained protein synthesis. The amount of reactive ferric iron in the Fe-bead system is available in excess such that the rate of Fe-bead reduction is directly proportional to cell density; i.e., it is diffusion limited. Addition of either lysates prepared from anaerobic cells or exogenous electron shuttles stimulates Fe-bead reduction by S. oneidensis, but iron chelators or additional Fe(II) do not. Neither dissolved Fe(III) nor electron shuttling activity was detected in culture supernatants, implying that the mediator is retained within the biofilm matrix. Strains with mutations in omcB or mtrB show about 50% of the wild-type levels of reduction, while a cymA mutant shows less than 20% of the wild-type levels of reduction and a menF mutant shows insignificant reduction. The Fe-bead reduction defect of the menF mutant can be restored by addition of menaquinone, but menaquinone itself cannot stimulate Fe-bead reduction. Because the menF gene encodes the first committed step of menaquinone biosynthesis, no intermediates of the menaquinone biosynthetic pathway are used as diffusible mediators by this organism to promote iron reduction at a distance. CymA and menaquinone are required for both direct and indirect mineral reduction, whereas MtrB and OmcB contribute to but are not absolutely required for iron reduction at a distance.
Generalized descent algebra and construction of irreducible characters of hyperoctahedral groups

Nous construisons une sous-algebre Σ'(W n ) de dimension 2 - 3 n-1 de l'algebre du groupe de Weyl W n de type B n contenant son algebre de Solomon usuelle ainsi que celle de E n : Σ'(W n ) n'est autre que l'algebre de MantaciReutenauer mais notre point de vue nous permet de construire un morphisme d'algebres surjectif Σ'(W n ) → Zlrr(W n ). La construction de Jollenbeck des caracteres irreductibles de E n a partir des classes d'equivalence coplaxique se transpose alors a W n . Un appendice a cet article, ecrit par P. Baumann et C. Hohlweg, donne le lien combinatoire explicite entre cette construction des caracteres irreductibles de W n et celle obtenue par W. Specht en 1932.
Complex EGI Based 3 D-Mesh Watermarking ∗

We proposed 3D-mesh watermarking using CEGI distribution that has robustness against mesh simplification, cropping, vertex randomization, and rotation and which does not need the original model for detection the watermark. The proposed algorithm embeds the watermark bits into the normal vector direction of meshes that are mapped into the cells that have the large magnitude of complex weight in patch CEGIs. The watermark can be detected based on the known center point of each patch and the rank table of the cell in each patch instead of original model. Experimental results verified that the proposed algorithm has robustness against the attacks. key words: 3D mesh watermarking, CEGI, patch, mesh normal vector
Real-time video transmission in vehicular networks

This paper addresses the problem of real-time video transmission in vehicular networks. We show that the video quality of real-time services is greatly decreased when there is network congestion in different traffic situations. We propose a solution that applies frame skipping and transcoding together with frame rate reduction techniques over IEEE 802.11 based vehicular networks. Our approach improves the quality of video transmission while reducing the bandwidth consumption.
Empirical likelihood inference for the regression model of mean quality‐adjusted lifetime with censored data

The authors consider the empirical likelihood method for the regression model of mean quality‐adjusted lifetime with right censoring. They show that an empirical log‐likelihood ratio for the vector of the regression parameters is asymptotically a weighted sum of independent chi‐squared random variables. They adjust this empirical log‐likelihood ratio so that the limiting distribution is a standard chi‐square and construct corresponding confidence regions. Simulation studies lead them to conclude that empirical likelihood methods outperform the normal approximation methods in terms of coverage probability. They illustrate their methods with a data example from a breast cancer clinical trial study.
A Distant Supervision Approach for Identifying Perspectives in Unstructured User-Generated Text

With the overabundance of online usergenerated content, the ability to filter based on relevant perspectives is becoming increasingly important. Identifying the perspective of the authors with the review text would enhance the retrieval of pertinent information. This problem can be traditionally formulated as a text classification task and solved by annotating the data and building a supervised learning system. However, rare classes might render annotation even more difficult and expensive. Here, we used a distant supervision approach to identify restaurant reviews that were written from the perspective of a vegetarian, and we achieved a macro-average F1 score of 79.40% with minimal annotation effort.
Environmental Enrichment Modulates Cortico-Cortical Interactions in the Mouse

Environmental enrichment (EE) is an experimental protocol based on a complex sensorimotor stimulation that dramatically affects brain development. While it is widely believed that the effects of EE result from the unique combination of different sensory and motor stimuli, it is not known whether and how cortico-cortical interactions are shaped by EE. Since the primary visual cortex (V1) is one of the best characterized targets of EE, we looked for direct cortico-cortical projections impinging on V1, and we identified a direct monosynaptic connection between motor cortex and V1 in the mouse brain. To measure the interactions between these areas under standard and EE rearing conditions, we used simultaneous recordings of local field potentials (LFPs) in awake, freely moving animals. LFP signals were analyzed by using different methods of linear and nonlinear analysis of time series (cross-correlation, mutual information, phase synchronization). We found that EE decreases the level of coupling between the electrical activities of the two cortical regions with respect to the control group. From a functional point of view, our results indicate, for the first time, that an enhanced sensorimotor experience impacts on the brain by affecting the functional crosstalk between different cortical areas.
Reducing redundancy in invasion ecology by integrating hypotheses into a single theoretical framework

Aim Invasion ecology includes many hypotheses. Empirical evidence suggests that most of these can explain the success of some invaders to some degree in some circumstances. If they all are correct, what does this tell us about invasion? We illustrate the major themes in invasion ecology, and provide an overarching framework that helps organize research and foster links among subfields of invasion ecology and ecology more generally.
A 71–86-GHz Phased Array Transceiver Using Wideband Injection-Locked Oscillator Phase Shifters

This paper presents the first phased array transceiver operating from 71 to 86 GHz using injection-locked oscillators (ILOs) for phase shifting. A folded-cascode ILO is proposed to extend the locking range of an array of oscillators. Frequency multiplication covers a 10-GHz tuning range with 23-dB power gain. Each ILO path covers more than ±300° and exhibits low amplitude variation with respect to phase shift range (<1 dB) and excellent isolation and amplitude error (<0.5 dB) between array elements. A wideband, bidirectional RF front end delivers 10-dBm maximum output power with more than 20-dB conversion gain over the 3-dB bandwidth in the transmit (TX) mode and a minimum 9.5-dB noise figure with more than 20-dB conversion gain in the receive (RX) mode. Low phase noise is demonstrated in the ILO approach over the phase tuning range with −112 dBc/Hz at 1-MHz offset and phase noise variation for different phase shift states under 2.5 dB, corresponding to less than 2° phase error. Array patterns demonstrate the wide scan range, and dynamic measurements show that the transmitter supports up to 6-Gb/s data rate with 256 QAM. The chip has $3.4\times2.1$ mm2 area implementing in the 90-nm BiCMOS technology and consuming 386.4 mW in the TX mode and 286 mW in the RX mode per element.
Multifractal Analysis of Various PDF in Turbulence based on Generalized Statistics: A Way to Tangle in Superfluid He

By means of the multifractal analysis (MFA), the expressions of the probability density functions (PDFs) are unified in a compact analytical formula which is valid for various quantities in turbulence. It is shown that the formula can explain precisely the experimentally observed PDFs both on log and linear scales. The PDF consists of two parts, i.e., the tail part and the center part. The structure of the tail part of the PDFs, determined mostly by the intermittency exponent, represents the intermittent large deviations that is a manifestation of the multifractal distribution of singularities in physical space due to the scale invariance of the Navier‐Stokes equation for large Reynolds number. On the other hand, the structure of the center part represents small deviations violating the scale invariance due to thermal fluctuations and/or observation error.
An adaptive short list for documents on the World Wide Web

University of Maribor School of Psychology University of MariborSmetanova 17 Georgia Institute of Technology Smetanova 17S1-2000 Maribor, Slovenia Atlanta, GA 30332 USA S1-2000 Maribor, Slovenia+386 62221 112 +1 4048948344 +386 62221 112debevc@uni-mb. si bmeyer@psy.tfe. gatech. edu rajko. svecko@tni-mb. siABSTRACTSince the World Wide Web (WWW) is so popular andgrowing so quickly, users have almost an intinite numberof sites to choose from. Bookmark features in web browsersallow users to easily record the sites that they would like tobe able to view again, without having to repeatedly searchthrough the WWW. However, bookmark lists for activeweb users can grow very long very quickly. Since user-maintained bookmark lists can easily grow long andsomewhat harder to use, it is usefil to have anautomatically maintained shorter list of useful sites.This paper describes an Adaptive Short List of commonlyused sites. This feature, when integrated into web browsingsoftware. would enable users to check the most probablesites quickly. without having to search through everybookmark they’ve ever created. We also present a decisionalgorithm for selecting sites to include in this list. Thegoal of this system is to determine the most appropriatesites to include in the Adaptive Short List. based on usagedata which the system collects and analyzes while the userworks.KeywordsUser interface, adaptive user interface, World Wide Web,intelligent system. user rnodellingINTRODUCTIONAs more and more information becomes available on theWorld Wide Web and as users discover more of thisinformation, the number of web sites to which they theywant ready access also grows. Web browsing software suchas Netscape [4] supports this need by providing a“bookmark feature. allowing users to return directly to
An Adaptive Resource Provisioning Scheme for Effective QoS Maintenance in the IaaS Cloud

Effective bandwidth provisioning is of vital importance in the virtualized cloud where tenants with unique SLAs share a finite network. Different tenants collocated on the same physical server deployed with increasing VM density necessitates Quality of Service (QoS) provisioning beginning at the hypervisor. Recent efforts at provisioning the cloud network through various reservation methodologies have achieved some measure of success. However most of them do not account for the entire path over which application components communicate and cannot provide the necessary Service Level Agreement (SLA). Cloud applications components often communicate across multiple network devices aggregated into layers connected over finite bandwidth links that affect application response. Furthermore, traffic to and from tenant applications display volatility. In view of this, we design a virtual network reservation framework that is mindful of application performance across multiple network devices & traffic volatility. Our network reservation framework is based on a forecasting engine motivated by the volatility existent in traffic to and from virtualized cloud environments. This forecasting engine is able to maintain SLAs by employing dynamic time-series models to develop novel bandwidth provisioning thresholds that adapt to the time-variation in tenant workloads. We test the effectiveness of our methods in the OpenStack cloud environment focusing on traffic directionality in the datacenter network, VM density and QoS across multiple flows competing for finite bandwidth. Our forecasting method offers a 25% improvement in prediction accuracy over existing methods while the reservation framework maintains SLAs at 95%.
Multi-branch switched diversity with adaptive switching thresholds

This paper investigates a simple analytical approach that yields the optimal switching thresholds for multi-branch switched diversity systems. It also presents a performance optimization based on these optimal thresholds. For multi-branch switched diversity systems, the optimal fixed switching threshold is not only a function of the average channel SNR but also a function of the number of diversity branches. Conventional multi-branch switched diversity systems use a single fixed switching threshold, where computing this optimal threshold is not a simple task when the number of diversity branches is high. We propose a novel multi-branch switched diversity system that is based on a set of adaptive switching thresholds instead of a single fixed switching threshold, where a different switching threshold is used every switching. Thanks to the fact that each switching threshold in the set depends only on the remaining diversity branches, the proposed system allows a simple optimization for these switching thresholds. Furthermore, numerical and simulation results show that the proposed adaptive switched diversity system outperforms the conventional system.
Hilbert functions of Gorenstein monomial curves

It is a conjecture due to M. E. Rossi that the Hilbert function of a one-dimensional Gorenstein local ring is non-decreasing. In this article, we show that the Hilbert function is non-decreasing for local Gorenstein rings with embedding dimension four associated to monomial curves, under some arithmetic assumptions on the generators of their defining ideals in the non-complete intersection case. In order to obtain this result, we determine the generators of their tangent cones explicitly by using standard basis computations under these arithmetic assumptions and show that the tangent cones are Cohen-Macaulay. In the complete intersection case, by characterizing certain families of complete intersection numerical semigroups, we give an inductive method to obtain large families of complete intersection local rings with arbitrary embedding dimension having non-decreasing Hilbert functions.
2016 Ieee International Conference on Big Data (big Data) Distsd: Distance-based Social Discovery with Personalized Posterior Screening

—Privacy preservation in location-based proximity services has recently received considerable attention in geo-social networks. Nearby friends notification and social discoveries are two important types of location-based proximity services. A large number of privacy protection methods have been proposed on nearby friends notification, but few on social discoveries. Most of existing protection methods on nearby friends notification cannot be applied in social discoveries, since a secret key needs to be shared between dynamic friends. In this paper, we address the research challenges that the location privacy protection in distance-based social discoveries. We propose a novel framework DistSD for the distance-based social discovery with personalized posterior screening. We also show that the problem that finding an optimal safe group of nearby seeking users is NP-hard. Two heuristic privacy enhanced social discovery algorithms are proposed, which protect users' locations from a service result perspective. Experiments are conducted based on the real-life data and experimental results validate the effectiveness and efficiency of the proposed algorithms.
High‐inclination orbits in the secular quadrupolar three‐body problem

The Lidov-Kozai mechanism allows a body to periodically exchange its eccentricity with inclination. It was first discussed in the framework of the quadrupolar secular restricted three-body problem, where the massless particle is the inner body, and later extended to the quadrupolar secular nonrestricted three body problem. In this paper, we propose a different point of view on the problem by looking first at the restricted problem where the massless particle is the outer body. In this situation, equilibria at high mutual inclination appear, which correspond to the population of stable particles that Verrier & Evans (2008,2009) find in stable, high inclination circumbinary orbits around one of the components of the quadruple star HD 98800. We provide a simple analytical framework using a vectorial formalism for these situations. We also look at the evolution of these high inclination equilibria in the non restricted case.
Coordinated dynamic control of marketing and production

We study the dynamic profit maximization problem for a firm exercising control on both marketing and production. The firs marketing effort impacts the current‐period demand, which in turn affects future demand in a dissipating fashion. Under linear‐cost and zero‐leadtime assumptions, we show that the firm should follow base‐point rules for both marketing and production, whereas trends of the base points reflect a certain complementarity between marketing and production. We obtain comparable results when marketing costs are convex. Our computational study identifies conditions under which simple fixed‐marketing‐effort and fixed‐marketing‐target heuristics would perform well. © 2009 Wiley Periodicals, Inc. Naval Research Logistics 2009
Job Satisfaction within the Scottish Academic Profession

This paper considers job satisfaction in the academic labour market drawing upon a particularly detailed data set of 900 academics from five traditional Scottish Universities. Recent studies have revealed that in the labour force as a whole women generally express themselves as more satisfied with their jobs than men. Our results show that reports of overall job satisfaction do not vary widely by gender. This result is explained through the nature of our dataset, limited as it is to a highly educated workforce, in which female workers are likely to have job expectations comparable to their male counterparts. Ordered probit analysis is used to analyze the determinants of an academics overall satisfaction at work as well as satisfaction with promotion prospects, job security and salary. Comparison salary is found to be an important influence on academics’ overall job satisfaction although evidence suggests that academics place a lower emphasis on pecuniary relative to non pecuniary aspects of work than other sectors of the workforce.
Analyse pragmatique du Business model et performations de marché dans l'entrepreneuriat technologique

Le business model, largement utilise par les acteurs de l'entrepreneuriat technologique, reste faiblement insere dans la litterature en sciences de gestion. Si le flou du concept ne semble pas poser probleme aux praticiens, il nourrit les controverses academiques. Qu'est-ce qu'un business model ? Afin de repondre a cette question, la these adopte une approche originale pour definir le concept a partir de ce qu'il fait et fait faire aux acteurs de l'entrepreneuriat technologique. Le cadre d'analyse pragmatique developpe dans la these decrit trois modalites de representation du business model : prototype de l'entreprise en creation, logique de creation de valeur generique et modelisation economique du projet. La these etudie comment ces trois modalites performent l'exploration du marche pour la technologie, l'insertion de la jeune pousse dans des architectures sectorielles et l'obtention des ressources financieres necessaires a son developpement. Finalement, la these montre que la plasticite du business model, concue initialement comme une faiblesse, favorise au contraire la coordination d'acteurs heterogenes (entrepreneurs, clients, partenaires, investisseurs, etc.) en situation d'incertitude.
Toward RCS Magnitude Level Coding for Chipless RFID

Hybrid coding techniques have been proposed recently to improve the coding capacity of chipless RF identification (RFID) tag. This paper examines the possibility to code information thanks to the magnitude level of the radar cross section (RCS) in addition to the more classical technique of frequency position (FP). Single-layer tags based on C-folded dipoles are designed to have different magnitude levels. A magnitude span of up to 15.2 dB is obtained for coupled resonators. A magnitude resolution of 3.5 dB is evaluated for practical applications based on the measurement of the realized tags in different configurations. The problem of tags applied to an unknown object is considered and a compensation technique is proposed for an object similar to a thin dielectric plate.
Quantum Entanglement, Non-Locality and Secure Computation

In this paper, we demonstrate that nanoscale phenomenon can be applied not only in device level but also in high layer applications, such as secure computation. We study the possibility of performing secure computation by building non-local machines based on quantum entanglement and non-locality, which are phenomena available only at the nanometer scale. Comparing with classical secure computation algorithms, the security of this protocol is based on physical laws, instead of any unproven mathematic conjecture.
QSO Host Galaxies at z=2.3

Images are discussed of six QSOs at z=2.3, one QSO-like IRAS source at z=2.3, and one QSO at z=1.1, taken with resolution 0.6 to 0.9 arcsec. Five of the QSOs are radio-quiet. All QSOs except one are just resolved, while the IRAS source has definite structure. In some cases, part of the QSO fuzz appears to be a close companion rather than a concentric host galaxy. The luminosities implied for the hosts or companions are typical of bright galaxies with young hot star populations. Radio-quiet QSOs appear to have host galaxies less luminous by ~2 magnitudes than radio-loud QSOs.