gebhart/patrepeval huggingface dataset:
Reverse Variational Autoencoder for Visual Attribute Manipulation and Anomaly Detection (2020)

In this paper, we introduce the `Reverse Variational Autoencoder" (Reverse-VAE) which is a generative network. On the one hand, visual attributes can be manipulated and combined while generating images. On the other hand, anomalies, meaning deviations from the data space used for training, can be detected. During training the generator network maps samples from stochastic latent vectors to the data space. Meanwhile the encoder network takes these generated images to reconstruct the latent vector. The generator and discriminator are trained adversarially. The discriminator is trained to distinguish between real and generated data. Overall, our model tries to match the joint latent/data-space distribution of the generator and the latent/data-space joint distribution of the encoder by minimizing their Kullback-Leibler divergence. Desired visual attributes of CelebA images are successfully manipulated. The performance of anomaly detection is competitive with state-of-the-art on MNIST.
A load-aware scheduler for MapReduce framework in heterogeneous cloud environments (2011)

MapReduce is becoming a popular programming model for large-scale data processing in cloud computing environments. Hadoop MapReduce is the most popular open-source implementation of MapReduce framework. Hadoop MapReduce comes with a pluggable task scheduler interface as well as a default FIFO job scheduler. The default Hadoop scheduler only considers the homogeneous environments, and thus does not perform well in heterogenous environments. Although being proposed to schedule tasks/jobs in heterogenous environments, the LATE scheduler does not consider the phenomenon of dynamic loading which is common in practice. In view of this, we propose a new scheduler named Load-Aware scheduler, abbreviated as the LA scheduler, to address the problem resulting from the phenomenon of dynamic loading, thus being able to improve the overall performance of Hadoop clusters. Experimental results show that the LA scheduler is able to reduce up to 20% in average response time by avoiding unnecessary speculative tasks.
A Bandwidth-Aware Scheduling Strategy for P2P-TV Systems (2008)

P2P-TV systems distribute live streaming contents by organizing the information flow in small chunks that are exchanged among peers. Different strategies can be implemented at the peers to select the chunk to distribute and the destination neighboring peer. Recent work showed that a good strategy consists in selecting the latest received chunk and a random neighboring peer (latest useful chunk, random peer). In this paper, leveraging on the idea that it is convenient to favor those peers that can contribute the most to the chunk distribution, we propose to select the destination peer with a probability proportional to the peer upload bandwidth. We show that the proposed scheme has a limited sensitivity to cheating peers that maliciously declare higher bandwidth than they actually have. Considering the overlay topology, we evaluate both systems in which nodes have fixed degree and systems whose overlay setup takes into account the actual peer bandwidth by assigning more neighbors to peer with higher bandwidth. We evaluate the performance in terms of delay percentiles and loss probability and evaluate the achieved improvements. Simulation results considering scenarios with up to 10,000 peers shows that the proposed schemes significantly outperform the traditional ones, so that the chunk distribution delay drops to less than 2 s from about 12 s.
A DC-DC digitally controlled buck regulator utilizing first-order &#x2211;&#x0394; frequency discriminators (2008)

This paper describes a novel feedback digitization architecture for a digitally controlled PWM DC-DC buck converter. A combination of a VCO followed by an all digital first-order Sigma-Delta frequency discriminators (SDFD) is used as a feedback analog-to-digital converter (ADC). The output of the discriminator is decimated to obtain a higher resolution depending on the output ripple specifications. A block diagram and a behavioral model are presented along with simulation results. Based on 1% allowed output voltage ripple, a 8-bit ADC resolution is achieved using a reference clock frequency of 16MHz. Since the SNR of this ADC is a strong function of sampling clock frequency and carrier frequency deviation, it is easy to achieve higher accuracy (resolution) to satisfy wide range of regulation and accuracy requirements. This architecture is flexible and scalable and can fully be implemented in standard digital CMOS.
Enhanced Response of Co-Planar MEMS Microheater-Based Methane Gas Sensor (2020)

A high performance coplanar MEMS microheater based gas sensor, in respect of its portability and power consumption, with enhanced response, has been designed, fabricated and characterized. Pt microheater, along with interdigitated electrodes (IDE) and Methane sensing layer were deposited on micro machined silicon substrates. Performance of the microheater was analyzed in terms of power consumption and heat distribution uniformity. Existence of a leakage voltage was detected which was found to reduce the overall sensor performance. Source of this leakage voltage was theoretically and experimentally investigated. To reduce the effect of such leakage voltage on sensor performance, a low drift OPAmp based high gain cancellation circuit was subsequently designed, implemented and an enhanced response of about 70% was observed as against 40% for uncompensated coplanar sensors. An exhaustive sensor characterization study was carried out for different concentrations of methane and performance was analyzed in terms of sensitivity, response, recovery time etc. A sensitivity of about 73% was observed for 5000ppm methane concentration with a moderate response (110 sec) and good recovery (30 sec) time.
Influence of ambient parameters on the response of polymer-coated SH-surface acoustic wave sensors to aromatic analytes in liquid-phase detection (2011)

This work addresses the importance of ambient conditions in the design of a sensor system for real-time monitoring of contaminated water sites and groundwater in situ for fuel and oil spills. The sensor system is based on shear-horizontal surface acoustic wave devices with chemically sensitive polymer coatings for analyte sorption. In addition to the use of a sensor array, evaluation of response time (absorption time constant) is discussed as a tool for analyte identification. The influence of relevant ambient parameters (temperature, pH, salinity) on the sensor response is described, and resulting requirements for the design of the sensor system are discussed.
Software defined network for conservation of energy in wireless sensor network (2017)

Premeditating on extension of nodes to greater span of life incessantly, utilizing at the perpetuating of energy is the major known problem which is faced by the respective wireless sensor network (WSN) as the nodes of the respective sensors, which is possessing restrained power of the battery and are even expected to perform at the accumulation of the data and functions of actuations respectively for the sensing of the data. I herein realize that savings in energy can be suggested as the architecture with the consequences gained and utilizing the environments of the simulator of the respective network. In WSN there is tight bonding between data plane and control plane. As nodes perform both data plane task and control plane task energy consumption is high in traditional WSN. Here proposed energy efficient software defined wireless sensor network which decouples control plane and data plane. Routing and clustering of nodes is done by centralized controller implemented at base station. By making an association of the software defined network (SDN) in WSN, the respective node of the sensors performs the furthering and does not take part in any of the routing decisions, which are due to the devour of energy, which in turn results in less consumption of energy. NS2 is used to implement the work to check performance of the proposed system with existing system.
Neutrophils control the magnitude and spread of the immune response in a thromboxane A2-mediated process (2013)

Neutrophils are obligate cells entering lymph nodes shortly after immunization with protein antigens in adjuvants, starting during the first hour and continuing for several days in two distinct waves. Previously, we demonstrated the strong suppressive effects of neutrophils on CD4 T cell and B cell responses, using either neutrophil-depleting antibodies or genetically neutropenic mice. In this study, we find that neutrophils are the major cells controlling the spread of T cell responses to distal lymph nodes. Although in the presence of neutrophils, ∼75% of the response was restricted to the draining node, in their absence, most of the response was found in distal nodes. Prostanoids were responsible for the rapid entry of neutrophils into the draining nodes, as well as for the two distinct neutrophil effects: the modulation of the magnitude of the cellular response, and in its spread outside the draining nodes. Neutrophil-produced thromboxane A(2) was the key eicosanoid controlling both effects. Adoptive transfer of neutrophils into mice genetically deficient in neutrophils indicated their role in both. These functions of neutrophils are important in infections and vaccinations with adjuvants where neutrophils are abundant in the initial stages.
Telecommunications Primer: Signals, Building Blocks and Networks (1995)

An overview that shows how to implement electronic highways that will allow information to be created. The book covers the spectrum of services, from those that use low-speed data and voice, to high-speed digital signals over SONET and SDH in a Frame Relay or Cell Relay environment.
Binary Counters Using Adiabatic Quantum-Flux-Parametron Logic (2020)

Adiabatic quantum-flux-parametron (AQFP) logic is an energy-efficient superconductor logic family. In this article, we design binary counters, namely an up counter, a down counter, and an up/down counter, based on AQFP logic. These binary counters are T-flip-flop-based and count logic 1s in the input signal that is synchronized with excitation currents, which clock the counters. The internal state of a T flip-flop changes when the internal state of the previous T flip-flop changes from logic 1 to 0 and from logic 0 to 1 for the count-up and count-down operations, respectively. Each internal state of a T flip-flop is read out serially by a buffer chain coupled to the T flip-flops. We fabricate 4-bit up, down, and up/down counters using the AIST 10 kA/cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> Nb high-speed standard process and demonstrate their correct operation at low frequency. This is the first demonstration of binary counters based on AQFP logic.
Preparation of cyclic ureas from carbon dioxide and diamines catalyzed by triphenylstibine oxide (1987)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTPreparation of cyclic ureas from carbon dioxide and diamines catalyzed by triphenylstibine oxideRyoki Nomura, Masataka Yamamoto, and Haruo MatsudaCite this: Ind. Eng. Chem. Res. 1987, 26, 6, 1056–1059Publication Date (Print):June 1, 1987Publication History Published online1 May 2002Published inissue 1 June 1987https://pubs.acs.org/doi/10.1021/ie00066a002https://doi.org/10.1021/ie00066a002research-articleACS PublicationsRequest reuse permissionsArticle Views490Altmetric-Citations36LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InRedditEmail Other access optionsGet e-Alertsclose Get e-Alerts
Regulatory Control of Histamine Production in North Carolina Harvested Mahi-Mahi (Coryphaena Hippurus) and Yellowfin Tuna (Thunnus Albacares): A HACCP-Based Industry Survey (2004)

Histamine poisoning is one of the most common chemically induced seafood borne illnesses reported in the United States today. Generally it is believed that the causative agents are biogenic amines (histamine, putrescine and cadaverine) produced by Gram negative bacteria. Under the U.S. Food and Drug Administration's HACCP program, growth of histamine-producing bacteria in potentially hazardous fish is controlled primarily by limiting time and temperature conditions. The purpose of this study was to determine if current regulatory guidelines are being meet for the control of histamine production in North Carolina harvested mahi-mahi and yellowfin tuna, and if not, what potential food safety risks may likely occur. \n\nTwenty-nine composite fish muscle samples were obtained from 18 mahi-mahi and 11 yellowfin tuna troll-caught and analyzed for their histamine content. No sample analyzed exceeded 2 ppm histamine, the detection threshold for Neogen's ELISA-based Veratox&#174; rapid test. Fish internal temperatures were continuously monitored from point of harvest through primary processing to determine individual fish cooling rates. Mahi-mahi were chilled on ice within 12 hrs of harvest as required under the federal HACCP guidelines. Generally, yellowfin tuna (60%) did not meet the HACCP requirement [uneviscerated tunas exceeding 20 lbs (9.1 Kg) in weight] of achieving an internal temperature of < 50oF (10oC) in 6 hrs. \n\nThree hundred and eighty-six composite fish muscle and environmental samples were screened for the presence of histamine-producing bacteria. Twenty-six percent of 549 isolates selected based on their morphological characteristics tested positive on Niven's media. Sixty-three Niven's positive isolates were Gram negative rods and 58 were Gram positive. The Beckon Dickinson BBL Crystal method was used primarily for identification of Gram positive isolates since the API 20E Enterobacteriaceae identification test is specific for the identification of Gram negative bacteria. Neither API 20E test nor BBL Crystal method was able to identify every Niven's positive isolate. \n\nOnly five of forty-three isolates tested were confirmed and classified as low histamine producers (<250 ppm in 48 hrs at >15oC). Three Gram negative isolates were identified as Enterobacter cloacae. Two Gram-positive isolates were identified as Staphylococcus kloosii. This study contradicts the general belief that Gram-negative bacteria are solely responsible for histamine production in potentially hazardous fish. \n\nThe confirmation of histamine-producing bacteria found in this study demonstrates the potential risk for histamine production. However, no detectable levels were found in the fish muscle samples analyzed, even though yellowfin tuna did not meet the regulatory HACCP guidelines. Therefore no food safety risks were found under commercial conditions studied.
Pulmonary Pressure Volume Relationships During the Last Phase of Delivery and the First Postnatal Breaths in Human Subjects (1979)

Department of Child Health, University of Nottingham and Nottingham City Hospital Maternity Unit, Nottingham, United Kingdom
Modular input‐parallel output‐series DC/DC converter control with fault detection and redundancy (2016)

Large offshore wind farms require extensive sub‐sea cables within the collection network. Present solutions are based around medium‐voltage AC collection networks. Recent studies have highlighted the potential benefits of DC collection networks. However, achieving DC/DC conversion at the required voltage and power levels presents a significant challenge for wind‐turbine power electronics. This study proposes an alternative DC collection network based around a modular DC/DC converter with input‐parallel output‐series connection. This modular topology can overcome the limitations imposed by semiconductor voltage ratings and provides fault‐tolerant operation. Small‐signal analysis of the converter is presented to be used to facilitate controller design for the converter input and output stages. A new master–slave control scheme and distributed voltage sharing controllers are proposed that ensure power sharing under all operating conditions, including during failure of a master module. This control scheme achieves fault‐tolerant operation by allowing the status of master module to be reallocated to any healthy module. The proposed control scheme is validated using simulation and experimentation, considering active power sharing between modules with parameter mismatch.
Lab-on-a-chip for analysis of triglycerides based on a replaceable enzyme carrier using magnetic beads (2010)

In this paper an enzyme-carrier-based microfluidic chip coupled with a gold nanoband microelectrode as electrochemical detector for Triglyceride (TG) determination was developed by co-immobilized lipase, Glycerokinase (GK) and glycerol-3-phosphate oxidase (GPOx) on chitosan/Fe(3)O(4) composite nanoparticles with a shell-core structure, which combined the advantageous features of microfluidic chips technology with magnetic beads. This procedure enabled the easy renewal of the microchip enzyme carrier after each determination in a highly reproducible manner. Several operational parameters such as working potential, buffer pH, adenosine triphosphate concentrations (ATP, mM), separation voltage and temperature were evaluated and optimized. The performance of enzyme-carrier-based microfluidic chip for TG determination was modulated by changing the length of enzyme carrier from 1.0 to 3.0 cm, and the linear ranges were changed from 0-4.0 mM to 0-10.0 mM with the detection limits from 15 μM to 6.0 μM. The enzyme carrier remained its 70% activity after 40 days storage. This system was successfully employed for on-line detection of TG in serums. The experimental results demonstrated that this enzyme carrier using magnetic beads based microfluidic chip provided a relatively simple, sensitive, miniature, and replaceable means for the accurate determination of TG in serum.
Land Use Planning in Western Uttar Pradesh: Issues and Challenges (2010)

Abstract Western Uttar Pradesh is a part of gangetic plain. Agriculture is the prime occupation of the people here. Population of the region has grown up because of easy availability of fertile land and water. Unplanned development of agriculture has produced critical issues such as decreasing size of agricultural land holding, soil degradation and lowering of underground water level.
A Stream-Weight and Threshold Estimation Method Using Adaboost for Multi-Stream Speaker Verification (2006)

This paper proposes an automatic stream-weight and threshold estimation method for noise-robust speaker verification using multistream HMMs integrating segmental and prosodic information. The proposed method simultaneously optimizes stream-weights and a decision threshold by combining the linear discriminant analysis (LDA) and Adaboost techniques. Experiments were conducted using Japanese connected digit speech contaminated by white noise with various SNRs. In this experiment, a target ratio of false acceptance rate (FAR) and false rejection rate (FRR) was set by 1:1 so as to adjust them to approach an equal error rate (EER). Experimental results show that the proposed method effectively estimates stream-weights and thresholds so that FARs and FRRs are adjusted to EERs in most of the SNR conditions.
TMN X-interface studies and experiments for ATM (2002)

This paper gives an overview on the interface between management systems (Operation Support Systems-OSSs) belonging to different domains (i.e. Telecommunications Network Operators or Carriers). In the ITU-T recommendations, the TMN (Telecommunications Management Network) definition of this management interface is known as the X-Interface. There are five main areas in which management interactions need to take place between such management systems in order to effectively manage the underlying network resources, i.e. Configuration, Fault, Performance, Accounting and Security. The underlying managed network considered is a cross-connected ATM network spanning across domain boundaries. For the management of such inter-domain networks two specifications have been recently standardized by the ETSI, covering configuration and fault management areas. Further studies are being done in Europe to address the remaining areas such as performance, accounting and security. Both the existing standards and the studies which are currently addressed by the EURESCOM project P708 are presented in this paper, with emphasis on issues and solutions related to performance management. Accounting management and security of the TMN X-Interface are also activities being pursued in the project.
Pooled analysis of safety data from pediatric Phase II RTS,S/AS malaria candidate vaccine trials (2011)

Prior to progression to Clinical Development Phase III, GlaxoSmithKline Biologicals performed a pooled analysis of phase two safety data following administration of 8860 doses of RTS,S/AS to 2981 children under 5 years old. RTS,S/AS was associated with increased rates of non-serious URTI, rash and diaper dermatitis graded mild or moderate. There was no significant increased rate of overall or single SAEs. Two episodes of simple febrile seizure were estimated to be related to vaccination. Significant decreased relative risks of death, any SAE, any SAE excluding malaria and pneumonia were observed. The results suggest a favourable risk-benefit balance which is to be confirmed in the ongoing Phase III trials.
Airway humidification with high-frequency jet ventilation (1985)

Humidification of inspired gases is indispensible to prevent serious injury to the tracheal mucosa of patients on mechanical ventilation. High-frequency jet ventilation (HFJV), recently introduced for the management of some forms of respiratory failure, presents unusual technical problems of humidification. The present investigation evaluated a technique to humidify jet gases by delivering small droplets of normal saline in front of the injector cannula, and utilizing the jet flow to nebulize the fluids administered. One millicurie of technetium-99m sulfur colloid (Tc-99m) was diluted in 10 ml of saline and infused in the airway of nine patients supported on HFJV. Six patients were orotracheally intubated and three were tracheostomized. A portable gamma camera was used to determine the distribution of radioactive contrast in the airway every 200 sec. When the injector catheter was directed upward, as was the case in tracheostomized patients, contrast material accumulated in the ventilator lines, and visualization of the airway was limited to the trachea. In orotracheally intubated patients, the injector catheter was generally directed downward, and radioactive contrast material extended beyond the major bronchi. The radioactive tracer reached the most distal airway location in patients with the lowest PaCO2 values. Thus, when humidification systems rely on jet-stream nebulization of fluids, the position of the injector cannula should facilitate saline flow by gravity. In the presence of poor alveolar ventilation, the concomitant risk of inadequate humidification should be considered.