Record segmentation to speed up long-term ECG analysis algorithms

2021 ◽  
Vol 69 ◽  
pp. 86
Author(s):  
Ben Bailey ◽  
Saeed Babaeizadeh
Keyword(s):  
Ecg Analysis ◽  
Speed Up

scholarly journals Most Frequent Problems of Building Structures of Urban Apartment Buildings from 2nd Half of 19th Century and the Start of 20th Century

Buildings ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 27
Author(s):  
Klara Kroftova
Keyword(s):  
20Th Century ◽  
19Th Century ◽  
Residential Building ◽  
Structural Safety ◽  
Horizontal Load ◽  
Building Structures ◽  
Speed Up ◽  
The 19Th Century ◽  
Basic Prerequisite

An urban residential building from the second half of the 19th century and the start of the 20th century, the so-called tenement house, is a significant representative of the architecture of the developing urban fabric in Central Europe. The vertical and horizontal load-bearing structures of these houses currently tend to show characteristic, repeated defects and failures. Their knowledge may, in many cases, facilitate and speed up the design of the historic building’s restoration without compromising its heritage value in this process. The article presents the summary of the most frequently occurring defects and failures of these buildings. The summary, however, is not an absolute one, and, in the case of major damage to the building, it still applies that, first of all, a detailed analysis of the causes and consequences of defects and failures must be made as a basic prerequisite for the reliability and long-term durability of the building’s restoration and rehabilitation. An integral part of the rehabilitation of buildings must be the elimination of the causes of the appearance of their failures and remediation of all defects impairing their structural safety, health safety and energy efficiency.

The Textual Evolution of the Ottoman Şeyhülislams’ Fetvas: A Cross-Corpora Computational Analysis

Der Islam ◽  
2021 ◽  
Vol 98 (2) ◽  
pp. 516-545
Author(s):  
Boğaç Ergene ◽  
Atabey Kaygun
Keyword(s):  
Seventeenth Century ◽  
Computational Analysis ◽  
Computational Techniques ◽  
Close Reading ◽  
Institutional Evolution ◽  
Multiple Forms ◽  
Term Evolution ◽  
Speed Up ◽  
Over Time

Abstract In this article, we use a mix of computational techniques to identify textual shifts in the Ottoman şeyhülislams’ fetvas between the sixteenth and twentieth centuries. Our analysis, supplemented by a close reading of these texts, indicates that the fetvas underwent multiple forms of transformation, a consequence of the institutional evolution of the şeyhülislam’s fetva office (fetvahane) that aimed to speed up and streamline the production of the fetvas: over time, the texts appropriated a more uniform character and came to contain shorter responses. In the compositions of the questions, we identified many “trigger terms” that facilitated reflexive responses independent of the fetvas’ jurisprudential contexts, a tendency that became stronger after the second half of the seventeenth century. In addition, we propose in the article a methodology that measures the relative strengths of textual and conceptual links among the fetva corpora of various Ottoman şeyhülislams. This analysis informs us about possible paths of long-term evolution of this genre of jurisprudential documents.

Long-Term Evolution (LTE)

Data Mining ◽  
2013 ◽  
pp. 336-365
Author(s):  
Bing He ◽  
Bin Xie ◽  
Sanjuli Agrawal ◽  
David Zhao ◽  
Ranga Reddy
Keyword(s):  
Cellular Networks ◽  
Orthogonal Frequency Division Multiplexing ◽  
New Technologies ◽  
Network Capacity ◽  
Long Term Evolution ◽  
High Data ◽  
Term Evolution ◽  
Input Multiple Output ◽  
Speed Up

With the ever growing demand on high throughput for mobile users, 3G cellular networks are limited in their network capacity for offering high data services to a large number of users. Consequently, many Internet services such as on-demand video and mobile TV are hard to be satisfactorily supported by the current 3G cellular networks. 3GPP Long Term Evolution (LTE) is a recently proposed 4G standard, representing a significant advance of 3G cellular technology. Attractively, LTE would offer an uplink data speed up to 50 Mbps and a downlink speed up to 100 Mbps for various services such as traditional voice, high-speed data, multimedia unicast, and multimedia broadcasting. In such a short time, it has been broadly accepted by major wireless vendors such as Verizon-Vodafone, AT&T, NTT-Docomo, KDDI, T-Mobile, and China Mobile. In order for high data link speed, LTE adapts new technologies that are new to 3G network such as Orthogonal Frequency Division Multiplexing (OFDM) and Multiple-Input Multiple-Output (MIMO). MIMO allows the use of more than one antenna at the transmitter and receiver for higher data transmission. The LTE bandwidth can be scalable from 1.25 to 20 MHz, satisfying the need of different network operators that may have different bandwidth allocations for services, based on its managed spectrum. In this chapter, we discuss the major advance of the LTE and its recent research efforts in improving its performance. Our illustration of LTE is comprehensive, spanning from the LTE physical layer to link layer. In addition, the LTE security is also discussed.

The Economy and the Environment

2020 ◽  
pp. 277-300
Author(s):  
Tirthankar Roy
Keyword(s):  
Public Policy ◽  
Natural Disasters ◽  
Seasonal Variations ◽  
Economic Change ◽  
Economic Value ◽  
Climatic Conditions ◽  
Information Gathering ◽  
Speed Up

The natural environment shapes long-term economic change via the quality or quantity of resources of potential economic value, climatic conditions that shape moisture or seasonal variations in agricultural conditions, and via the risk of natural disasters. These geographical conditions are lasting. They become active drivers of economic change when private enterprise and public policy become interested in the resources and try to mitigate the risks, and knowledge and information-gathering on these conditions for scientific or commercial purposes start to speed up. In colonial times, all of these processes speeded up greatly. Chapter 11 is about that change.

Research on the Relationship between Clay Content in Aggregate and Water Stability of Rubber Asphalt Mixture

2013 ◽  
Vol 639-640 ◽  
pp. 346-349
Author(s):  
Zhao Bin Xie
Keyword(s):  
Significant Influence ◽  
Asphalt Mixture ◽  
Clay Content ◽  
Water Stability ◽  
Test Results ◽  
Road Engineering ◽  
Stability Performance ◽  
Speed Up ◽  
The Relationship

In order to verify the characterization degree of water stability, research selects some clay content aggregate retrieved from road engineering field to produce rubber asphalt mixture and carry out the water stability test. Test results show that clay content in aggregate has a significant influence on the water stability of rubber asphalt mixture. When the content of clay in aggregate less than 1%, the influence on water stability is smaller; when the clay content exceeds 2%, the decay rate on water stability performance and long term properties obviously speed up, resulted in serious water damage.

scholarly journals Glacier dynamics at Helheim and Kangerdlugssuaq glaciers, southeast Greenland, since the Little Ice Age

2014 ◽  
Vol 8 (1) ◽  
pp. 1257-1278
Author(s):  
S. A. Khan ◽  
K. K. Kjeldsen ◽  
K. H. Kjær ◽  
S. Bevan ◽  
A. Luckman ◽  
...  
Keyword(s):  
Mass Balance ◽  
Little Ice Age ◽  
Initial Conditions ◽  
Ice Age ◽  
Short Term ◽  
Episodic Events ◽  
Highly Sensitive ◽  
Decadal Scale ◽  
Speed Up

Abstract. Observations over the past decade show significant ice loss associated with the speed-up of glaciers in southeast Greenland from 2003, followed by a deceleration from 2006. These short-term, episodic, dynamic perturbations have a major impact on the mass balance at the decadal scale. To improve the projection of future sea level rise, a long-term data record that reveals the mass balance beyond such episodic events is required. Here, we extend the observational record of marginal thinning of Helheim glacier (HG) and Kangerdlugssuaq glacier (KG) from 10 to more than 150 yr. We show that although the frontal portion of HG thinned by more than 100 m between 2003 and 2006, it thickened by more than 50 m during the previous two decades. In contrast, KG was stable from 1981 to 1998 and experienced major thinning only after 2003. Extending the record back to the end of the Little Ice Age (ca. 1850) shows no significant thinning of HG from 1850 to 1981, while KG underwent substantial thinning of ~265 m. Analyses of their sensitivity to sub-surface water temperature anomalies and variations in air temperature suggest that both HG and KG are highly sensitive to short-term atmospheric and ocean forcing, and respond very quickly to small fluctuations. At century time-scales, however, multiple external parameters (e.g. outlet shape) dominate the mass change. These findings undermine attempts to use measurements over the last decade as initial conditions to project future dynamic ice loss.

scholarly journals Qulacs: a fast and versatile quantum circuit simulator for research purpose

Quantum ◽  
2021 ◽  
Vol 5 ◽  
pp. 559
Author(s):  
Yasunari Suzuki ◽  
Yoshiaki Kawase ◽  
Yuya Masumura ◽  
Yuria Hiraga ◽  
Masahiro Nakadai ◽  
...  
Keyword(s):  
Fault Tolerant ◽  
Quantum Algorithm ◽  
Quantum Circuit ◽  
Quantum Circuits ◽  
Research Purpose ◽  
Numerical Techniques ◽  
Circuit Simulator ◽  
Speed Up ◽  
Near Term

To explore the possibilities of a near-term intermediate-scale quantum algorithm and long-term fault-tolerant quantum computing, a fast and versatile quantum circuit simulator is needed. Here, we introduce Qulacs, a fast simulator for quantum circuits intended for research purpose. We show the main concepts of Qulacs, explain how to use its features via examples, describe numerical techniques to speed-up simulation, and demonstrate its performance with numerical benchmarks.

scholarly journals Retail Business and the Freight Industry in Shanxi Province of China: an Empirical study of Interactive Relationship

2014 ◽  
Vol 6 (4) ◽  
pp. 333-339
Author(s):  
Huiqiong Ding
Keyword(s):  
Shanxi Province ◽  
Causality Test ◽  
Integration Model ◽  
Equilibrium Relationship ◽  
Retail Business ◽  
Stationary Test ◽  
Interactive Relationship ◽  
Speed Up ◽  
Relationship Of

The fate of the retailing industry is related to the freight industry of a country. In order to enhance the pulling power that the retailing has to the freight industry, this research investigated the interactive relationship of retailing and freight industry in Shanxi Province of China. Using the software Eviews 5.0®, a Co-integration Model was proposed. Evaluation of the validity of the model, using the Stationary Test, Granger Causality Test and Error Correction, proved that the model proposed had the ability to repair itself. Using the model to explain the relationship between retailing and freight results further revealed that there is a long-term equilibrium relationship between the two variables. Furthermore, this study proved that in order to enhance the pulling power that retailing has to freight industry, there is a need to pay attention to the final consumption, to support retailing and to speed up the urbanization construction.

scholarly journals H2V, a database for human genes and proteins in response to SARS-CoV-2, SARS-CoV, and MERS-CoV infection

2020 ◽  
Author(s):  
Nan Zhou ◽  
Jinku Bao ◽  
Yuping Ning
Keyword(s):  
Drug Targets ◽  
Viral Infections ◽  
Antiviral Agents ◽  
Highly Pathogenic ◽  
Proteomic Data ◽  
Human Genes ◽  
Speed Up ◽  
And Control ◽  
Potential Drug Targets

Abstract The ongoing COVID-19 pandemic in the world is caused by SARS-CoV-2, a new coronavirus first discovered in the end of 2019. It has led to more than 50 million confirmed cases and more than 1 million deaths across 219 countries by 11 November 2020, according to the WHO statistics. SARS-CoV-2, SARS-CoV, and MERS-CoV are alike. They are highly pathogenic, and they threaten public health, impair economy, and inflict long-term impacts on the society. No drug or vaccine has been approved as a cure for these viruses. The efforts to develop antiviral measures are hampered by the insufficient understanding of how the human body responds to viral infections at the cellular and molecular levels. In this study, journal articles and transcriptomic and proteomic data that survey coronavirus infections were collected. Response genes and proteins were then identified via differential analyses which compared the gene/protein between the infected sample and control. A database, H2V, was finally created for human genes/proteins responding to SARS-CoV-2, SARS-CoV, and MERS-CoV infection. H2V provides the molecular information about human response to infection. It can be a powerful tool to discover cellular pathways and processes relevant for viral pathogenesis to identify potential drug targets. It is expected to speed up the process of developing antiviral agents and to shed light on the preparation for potential coronavirus emergency in the future.

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