gebhart/patrepeval huggingface dataset:
Evaluation and Analysis of In-Memory Key-Value Systems (2016)

This paper presents an in-depth measurement study of in-memory key-value systems. We examine in-memory data placement and processing techniques, including data structures, caching, performance of read/write operations, effects of different in-memory data structures on throughput performance of big data workloads. Based on the analysis of our measurement results, we attempt to answer a number of challenging and yet most frequently asked questions regarding in-memory key-value systems, such as how do in-memory key-value systems respond to the big data workloads, which exceeds the capacity of physical memory or the pre-configured size of in-memory data structures? How do in-memory key value systems maintain persistency and manage the overhead of supporting persistency? why do different in-memory key-value systems show different throughput performance? and what types of overheads are the key performance indicators? We conjecture that this study will benefit both consumers and providers of big data services and help big data system designers and users to make more informed decision on configurations and management of key-value systems and on parameter turning for speeding up the execution of their big data applications.
A Study on the Improvement of Settlement Conditions for Young People in Gumi City (2019)

After the global economic crisis, many problems in Korea caused by the prolonged education period and the vicious cycle of employment difficulties after graduation are having a huge impact on the housing problems of the younger generation, who are directly affected by the problem. With employment and marriage delayed more than five years from late 20s to early 30s, the period of residence in rental market for single-person households naturally lengthened, while the younger generation will live on monthly rent due to lack of money for frequent housing transfers, housing training due to school and employment. Despite the recent decline in housing prices, current housing prices are difficult for younger generations to buy houses on their own, and the monthly rent increase also reduces disposable income, thereby losing even a chance to raise money. This problem of the younger generation is not just the problem of Seoul and big cities. Even in in the case of small and medium-sized cities such as Gumi City, the housing burden of college students and working young people is aggravated, and the unstable settlement conditions makes young people feel uneasy. This problem is perhaps more seriously linked to the question of the existence of cities. This study investigates the characteristics of young people in Gumi city and the ways to improve the settlement conditions are searched. In addition, this study proposes an alternative to the urban existence problems faced by small and medium sized cities in Korea.
Pollen–stigma interaction in <i>Brassica</i>. III. hydration of the pollen grains (1985)

A method is described by which the changes in shape that accompany hydration of Brassica pollen grains may be rapidly measured. Using this technique it has proved possible to chart the small amount of hydration that takes place on anthesis, in addition to the response of pollen to a range of relative humidities in vitro and in vivo. Such measurements, together with pollen transfer experiments, indicate that under normal field conditions self-pollen undergoes a brief period of hydration followed by some loss of water and that, in the course of this hydration, many pollen grains are inhibited from further growth. Raised levels of atmospheric water cause a variety of responses in self-pollen, ranging from tube growth through the pistil to the ovary, to tubes inhibited at the stigmatic surface, accompanied by the formation of callose. Surprisingly, compatible cross-pollen is also affected by high humidity, often developing extended tubes that are incapable of penetrating the stigmatic cuticle. The development of stigmatic callose is also stimulated by these tubes, as also occurs when other members of the Cruciferae are induced to germinate on Brassica stigmas by high levels of atmospheric water. This formation of callose in response to challenge by all types of pollen tube suggests models for the self-incompatibility response in Brassica that involve a direct linkage between S (incompatibility) gene products and the formation of callose may require some reexamination. Close study of the operation of the self-incompatibility system in a number of individuals has revealed all aspects of the response to be heavily dependent on the particular S genes possessed by the plant.
The Therapeutic Potential of Psilocybin (2021)

The psychedelic effects of some plants and fungi have been known and deliberately exploited by humans for thousands of years. Fungi, particularly mushrooms, are the principal source of naturally occurring psychedelics. The mushroom extract, psilocybin has historically been used as a psychedelic agent for religious and spiritual ceremonies, as well as a therapeutic option for neuropsychiatric conditions. Psychedelic use was largely associated with the "hippie" counterculture movement, which, in turn, resulted in a growing, and still lingering, negative stigmatization for psychedelics. As a result, in 1970, the U.S. government rescheduled psychedelics as Schedule 1 drugs, ultimately ending scientific research on psychedelics. This prohibition on psychedelic drug research significantly delayed advances in medical knowledge on the therapeutic uses of agents such as psilocybin. A 2004 pilot study from the University of California, Los Angeles, exploring the potential of psilocybin treatment in patients with advanced-stage cancer managed to reignite interest and significantly renewed efforts in psilocybin research, heralding a new age in exploration for psychedelic therapy. Since then, significant advances have been made in characterizing the chemical properties of psilocybin as well as its therapeutic uses. This review will explore the potential of psilocybin in the treatment of neuropsychiatry-related conditions, examining recent advances as well as current research. This is not a systematic review.
Single-wavelength 100Gb/s and 200Gb/s transmissions over 80km SMF based on direct detection eSSB-DMT and Twin-SSB-DMT (2016)

Base on a DDMZM, we propose and demonstrate a 100-Gb/s system for 80km SMF transmission using direct-detection eSSB-DMT. Furthermore, a twin-SSB-DMT is realized based on the same transmitter architecture and 200Gb/s over 80km SMF is successfully demonstrated with novel receiver and MIMO-array DSP.
Cyber-surfing (1995)

Modern network technology has spawned an entirely new cybernetic experience: cyberspace surfing. This surfing is as much a social experience as an information gathering resource. While providing the communication infrastructure for an ever-increasing percentage of the global population, it is also becoming the focal point of an identifiable sub-culture of cybernauts who are attracted to the Internet as moths to light. There is every indication that the forthcoming cyberspace revolution will have an even more dramatic impact on society than the microcomputer revolution.In this paper we analyze the cyber-surfing experience from the point of view of the supportive client-server technologies involved. On the basis of this analysis and some emerging trends we speculate on the future of cyberspace.
Thermal Spin-Transfer Torque in Magnetoelectronic Devices (2007)

We predict that the magnetization direction of a ferromagnet can be reversed by the spin-transfer torque accompanying spin-polarized thermoelectric heat currents. We illustrate the concept by applying a finite-element theory of thermoelectric transport in disordered magnetoelectronic circuits and devices to metallic spin valves. When thermalization is not complete, a spin heat accumulation vector is found in the normal-metal spacer, i.e., a directional imbalance in the temperature of majority and minority spins.
Toward high-performance distributed stream processing via approximate fault tolerance (2016)

Fault tolerance is critical for distributed stream processing systems, yet achieving error-free fault tolerance often incurs substantial performance overhead. We present AF-Stream , a distributed stream processing system that addresses the trade-off between performance and accuracy in fault tolerance. AF-Stream builds on a notion called approximate fault tolerance , whose idea is to mitigate backup overhead by adaptively issuing backups, while ensuring that the errors upon failures are bounded with theoretical guarantees. Our AF-Stream design provides an extensible programming model for incorporating general streaming algorithms, and also exports only few threshold parameters for configuring approximation fault tolerance. Experiments on Amazon EC2 show that AF-Stream maintains high performance (compared to no fault tolerance) and high accuracy after multiple failures (compared to no failures) under various streaming algorithms.
Uniform color spaces based on CIECAM02 and IPT color difference equations (2008)

Color difference equations based on the CIECAM02 color appearance model and IPT color space have been developed to fit experimental data. There is no color space in which these color difference equations are Euclidean, e.g. describe distances along a straight line. In this thesis, Euclidean color spaces have been derived for the CIECAM02 and IPT color difference equations, respectively, so that the color difference can be calculated as a simple color distance. Firstly, the Euclidean line element was established, from which terms were derived for the new coordinates of lightness, chroma, and hue angle. Then the spaces were analyzed using performance factors and statistics to test how well they fit various data. The results show that the CIECAM02 Euclidean color space has performance factors similar to the optimized CIECAM02 color difference equation. To statistical significance, the CIECAM02 Euclidean color space had superior fit to the data when compared to the CIECAM02 color difference equation. Conversely, the IPT Euclidean color space performed poorer than the optimized IPT color difference equation. The main reason is that the line element for the lightness vector dimension could not be directly calculated so an approximation was used. To resolve this problem, a new IPT color difference equation should be designed such that line elements can be established directly.
Biofilm pads—an easy method to manufacture artificial biofilms embedded in an alginate polymer matrix (2019)

Abstract Periphytic biofilms are the major resource for many herbivorous invertebrates in both marine and freshwater benthos. They are of crucial importance for benthic food webs, substrate stability, and biogeochemical processes in littoral zones. While the importance of invertebrate grazing on biofilms has been studied extensively using natural, mixed algal communities grown on artificial substrates, there is so far no method available to create defined periphyton communities for these grazing studies. The reason for this is that many benthic algae interact with co‐occurring species within the extracellular polymeric substances (EPSs) that form the nonorganismic part of the biofilm. Here, we present a novel method that allows the manufacturing of defined monoculture and multispecies biofilms by using an alginate polymer as artificial EPS structure, into which algal cultures can be embedded. Using confocal laser scanning microscopy, we show that alginate effectively embeds various algal taxa in an EPS matrix that is very similar to natural biofilms. In a grazing experiment, we demonstrate that several common freshwater herbivorous invertebrates can graze these alginate biofilms efficiently. As the method is easy to handle, it allows for highly controlled feeding experiments with benthic herbivores to assess, for example, the role of algal biodiversity on the efficiency of top‐down control, the effects of environmental drivers such as nutrients, salinity, or seawater acidification on biofilm community structure, and the impacts of herbivory in benthic communities.
Photodiffusion of silver in germanium-sulfur compounds studied by AFM, nanoindentation and RBS methods (2003)

Compounds produced by the photoinduced diffusion of silver into a germanium sulfide film have been found to be promising photoresist materials for microfabrication technology. Thin films of silver, on the order of 40 nm in thickness, were grown on a GeS1.7 substrate in a thermal vapour deposition system. The resultant samples were then illuminated using a xenon arc lamp for different periods of time to initiate the photodiffusion process. AFM images show that the Ag overlayer becomes discontinuous during diffusion, first forming discrete islands of Ag and finally diffusing completely to form a Ag–Ge–S overlayer. Nanoindentation tests were used to determine the nanoscale mechanical properties of the film samples and to probe the diffusion kinetics. Samples of different compositions and varying degrees of silver diffusion can be distinguished using this technique. The elemental composition of the thin films as a function of depth and the layer thickness were also determined using Rutherford backscattering analysis (RBS). The photo-diffused sample has a step-like compositional profile with a Ag-rich intermediate formed during the initial period of photodiffusion. The reaction slows down after illumination for 180 s as Ag atoms migrate deeper into the germanium sulfur substrate, and the composition of the reacted overlayer changes from GeS1.7Ag to GeS1.7Ag0.5.
Decentralized Sequential Hypothesis Testing Using Asynchronous Communication (2010)

An asymptotically optimum test for the problem of decentralized sequential hypothesis testing is presented. The induced communication between sensors and fusion center is asynchronous and limited to 1-bit data. When the sensors observe continuously stochastic processes with continuous paths, the proposed test is order-2 asymptotically optimal, in the sense that its inflicted performance loss is bounded. When the sensors take discrete time observations, the proposed test achieves order-1 asymptotic optimality, i.e., the ratio of its performance over the optimal performance tends to 1. Moreover, we show theoretically and corroborate with simulations that the performance of the suggested test in discrete time can be significantly improved when the sensors sample their underlying continuous time processes more frequently, a property which is not enjoyed by other centralized or decentralized tests in the literature.
Heat shock protein 90 (HSP90) inhibition in squamous cell carcinoma of the head and neck (SCCHN): An in vitro analysis with a focus on p16 status. (2013)

2552 Background: Despite advances in therapy, the overall 5 year survival for SCCHN is close to 50%. Cisplatin and radiation therapy remain the current standard for treating locally advanced SCCHN. Novel treatment approaches are urgently needed, especially in HPV negative disease. We examined the expression of HSP90 in HPV positive and negative SCCHN and investigated if the HSP90 inhibitor ganetespib can sensitize mutant p53 SCCHN to cisplatin and radiation therapy in vitro. Methods: Phase 1 trials of ganetespib at 150 mg/m 2 have shown the maximum clinically achievable concentration (CAC) in patients to be ~166 nM. We treated p53 deficient or mutant p53 SCCHN cells (SCC25 and Detroit 568, CAL27and FADU, respectively) with ganetespib at 10-50 nM alone and in combination with cisplatin or radiation therapy and assessed survival. We measured HSP90, HSP70 and p53 protein expression levels in SCCHN cell lines by immunoblotting and analyzed HSP90 protein levels in p16 positive and p16 negative SCCHN tumor samples by immunohistochemistry. Results: Ganetespib at CAC was significantly more cytotoxic in mutant p53 compared to p53 deficient SCCHN cells (p < 0.05). When combined with CAC doses of cisplatin or radiation therapy, ganetespib displayed strong sensitizing activity (p < 0.05 and p < 0.01 respectively). Ganetespib treatment upregulated HSP70 and HSP90 expression while decreasing p53 expression in the mutant cell lines. HSP90 expression was significantly higher in p16 negative than p16 positive SCCHN tumor samples (79.5% vs. 51%, ANOVA p = 0.016). Conclusions: Our results demonstrate a potential efficacy of ganetespib as a single agent and in combination with cisplatin and radiation therapy in SCCHN. HSP90 expression is upregulated in p16 negative SCCHN. Further exploration of the role of HSP90 in SCCHN, and utility of HSP90 inhibitors, is warranted.
The synthesis of thiols, selenols, sulfides, selenides, sulfoxides, selenoxides, sulfones and selenones (1999)

D. J. Procter, J. Chem. Soc., Perkin Trans. 1, 1999, 641 DOI: 10.1039/A801002A
City-scale traffic estimation from a roving sensor network (2012)

Traffic congestion, volumes, origins, destinations, routes, and other road-network performance metrics are typically collected through survey data or via static sensors such as traffic cameras and loop detectors. This information is often out-of-date, difficult to collect and aggregate, difficult to analyze and quantify, or all of the above. In this paper we conduct a case study that demonstrates that it is possible to accurately infer traffic volume through data collected from a roving sensor network of taxi probes that log their locations and speeds at regular intervals. Our model and inference procedures can be used to analyze traffic patterns and conditions from historical data, as well as to infer current patterns and conditions from data collected in real-time. As such, our techniques provide a powerful new sensor network approach for traffic visualization, analysis, and urban planning.
Synthesis and Human Immunodeficiency Virus(HIV)-1 protease Inhibitory Activity of Tripeptide Analogues Containing a Dioxoethylene Moiety. (1994)

Tripeptide analogues 2 and 3 containing a dioxoethylene moiety were designed based on the characteristic structure of the naturally occurring human immunodeficiency virus (HIV)-1 protease inhibitors RPI-856 A, B, C and D (1). The compounds (2, 3) prepared showed high inhibitory activity, comparable to that of RPI-856 A, against HIV-1 protease in vitro.
GPU Based Path Integral Control with Learned Dynamics (2015)

We present an algorithm which combines recent advances in model based path integral control with machine learning approaches to learning forward dynamics models. We take advantage of the parallel computing power of a GPU to quickly take a massive number of samples from a learned probabilistic dynamics model, which we use to approximate the path integral form of the optimal control. The resulting algorithm runs in a receding-horizon fashion in realtime, and is subject to no restrictive assumptions about costs, constraints, or dynamics. A simple change to the path integral control formulation allows the algorithm to take model uncertainty into account during planning, and we demonstrate its performance on a quadrotor navigation task. In addition to this novel adaptation of path integral control, this is the first time that a receding-horizon implementation of iterative path integral control has been run on a real system.
Analysis of simple sugars and sorbitol in fruit by high-performance liquid chromatography (1981)

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAnalysis of simple sugars and sorbitol in fruit by high-performance liquid chromatographyMichael L. Richmond, Sebastiao C. C. Brandao, J. Ian Gray, Pericles Markakis, and Charles M. StineCite this: J. Agric. Food Chem. 1981, 29, 1, 4–7Publication Date (Print):January 1, 1981Publication History Published online1 May 2002Published inissue 1 January 1981https://doi.org/10.1021/jf00103a002Request reuse permissions Article Views1047Altmetric-Citations102LEARN 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 InReddit PDF (459 KB) Get e-Alertsclose Get e-Alerts
Pushing the Cycling Stability Limit of Polypyrrole for Supercapacitors (2015)

Polypyrrole (PPy) is a promising pseudocapacitive material for supercapacitor electrodes. However, its poor cycling stability is the major hurdle for its practical applications. Here a two‐prong strategy is demonstrated to stabilize PPy film by growing it on a functionalized partial‐exfoliated graphite (FEG) substrate and doping it with β ‐naphthalene sulfonate anions (NS − ). The PPy electrode achieves a remarkable capacitance retention rate of 97.5% after cycling between −0.8 and 0 V versus saturated calomel electrode for 10 000 cycles. Moreover, an asymmetric pseudocapacitor using the stabilized PPy film as anode also retains 97% of capacitance after 10 000 cycles, which is the best value reported for PPy‐based supercapacitors. The exceptional stability of PPy electrode can be attributed to two factors: 1) the flexible nature of FEG substrate accommodates large volumetric deformation and 2) the presence of immobile NS − dopants suppresses the counterion drain effect during charge–discharge cycling.
Editor's Introduction (1977)

The manpower needs of the national economy take precedence over all other considerations in educational policymaking in the USSR. The evolution of the state school system has been closely integrated with the development of the labor force to meet the demands of the five-year production plans. Compulsory primary education, first legislated under Stalin, furnished literate labor recruits for the industrialization drive of the 1930s. In the post-World War II era, the growth of secondary education was tied to the need for skilled workers to accomplish the postwar economic recovery of the Soviet Union. Since then growth in the provision of education has been linked to the demand for technologically literate and highly skilled labor in an advanced industrial economy, under the conditions of what Soviet planners and social scientists have termed the era of the scientific-technological revolution.