Using Patterns for Engineering High-Quality Web Applications

2011 ◽  
pp. 100-122
Author(s):  
Pankaj Kamthan
Keyword(s):  
Semantic Web ◽  
Web 2.0 ◽  
Web Application ◽  
Web Applications ◽  
Architecture Design ◽  
Top Down ◽  
High Quality ◽  
Systematic Selection

In this chapter, we view the development and maintenance of Web applications from an engineering perspective. A methodology, termed as POWEM, for deploying patterns as means for improving the quality of Web applications is presented. To that end, relevant quality attributes and corresponding stakeholder types are identified. The role of a process, the challenges in making optimal use of patterns, and feasibility issues involved in doing so, are analyzed. The activities of a systematic selection and application of patterns are explored. Following a top-down approach to design, examples illustrating the use of patterns during macro- and micro-architecture design of a Web application are given. Finally, the implications towards Semantic Web applications and Web 2.0 applications are briefly outlined.

Using Patterns for Engineering High-Quality E-Commerce Applications

2009 ◽  
pp. 1-25
Author(s):  
Pankaj Kamthan
Keyword(s):  
Semantic Web ◽  
Electronic Commerce ◽  
Development Process ◽  
Architecture Design ◽  
High Quality ◽  
Web Engineering ◽  
Business To Consumer ◽  
Systematic Selection

In this chapter, we view the development and maintenance of high-quality electronic commerce (ecommerce) applications from a Web engineering perspective. A methodology for deploying patterns as means for improving the quality of e-commerce applications is presented. To that regard, relevant quality attributes and corresponding stakeholder types for the e-commerce applications are identified. The role of development process, the challenges in making optimal use of patterns, and feasibility issues involved in doing so, are analyzed. The activities of a systematic selection and application of patterns are explored. Examples illustrating the use of patterns during macro- and micro-architecture design of business-to-consumer (B2C) e-commerce applications are given. The implications of the use of patterns in a Semantic Web context are briefly highlighted.

Using Patterns for Engineering High-Quality Mobile Applications

2010 ◽  
pp. 174-195
Author(s):  
Pankaj Kamthan
Keyword(s):  
Mobile Applications ◽  
Development Process ◽  
Quality Attributes ◽  
Architecture Design ◽  
Social Web ◽  
High Quality ◽  
Development And Evolution

In this chapter, the development and evolution of mobile applications is viewed from an engineering perspective. A methodology for deploying patterns as means for improving the pragmatic quality of mobile applications is proposed. In doing so, relevant quality attributes and corresponding stakeholder types for mobile applications are identified, the role of the development process is emphasized, and the challenges in making optimal use of patterns are presented. The underling feasibility issues involved at each step are analyzed. The activities of selection and application of patterns are explored. The use of patterns during macro- and micro-architecture design of mobile applications is illustrated. The implications of the use of patterns in a Mobile Social Web context are briefly highlighted.

Building Semantic Web Portals with a Model- Driven Design Approach

2011 ◽  
pp. 541-570
Author(s):  
Marco Brambilla ◽  
Federico M. Facca
Keyword(s):  
Semantic Web ◽  
Web Application ◽  
Web Applications ◽  
Conceptual Models ◽  
Modeling Framework ◽  
Good Design ◽  
Model Driven ◽  
Software Artifacts ◽  
Design Requirements

This chapter presents an extension to Web application conceptual models toward Semantic Web. Conceptual models and model-driven methodologies are widely applied to the development of Web applications because of the advantages they grant in terms of productivity and quality of the outcome. Although some of these approaches are meant to address Semantic Web applications too, they do not fully exploit the whole potential deriving from interaction with ontological data sources and from semantic annotations. The authors claim that Semantic Web applications represent an emerging category of software artifacts, with peculiar characteristics and software structures, and hence need some specific methods and primitives for achieving good design results. In particular the contribution presented in this chapter is an extension of the WebML modeling framework that fulfils most of the design requirements emerging in the new area of Semantic Web. The authors generalize the development process to cover Semantic Web needs and devise a set of new primitives for ontology importing and querying. The chapter also presents a comparison of the proposed approach with the most relevant existing proposals and positioned with respect to the background and adopted technologies.

Combining Semantic Web and Web 2.0 Technologies to Support Cultural Applications for Web 3.0

2011 ◽  
pp. 16-28
Author(s):  
Tzanetos Pomonis ◽  
Dimitrios A. Koutsomitropoulos ◽  
Sotiris P. Christodoulou ◽  
Theodore Papatheodorou
Keyword(s):  
Semantic Web ◽  
Web 2.0 ◽  
Web Application ◽  
Web Applications ◽  
Web 3.0 ◽  
Development Methodology ◽  
Web Infrastructure ◽  
Application Developers ◽  
Rich Content ◽  
Web Research

The aim of this work is to help cultural web application developers to benefit from the latest technological achievements in Web research. The authors introduce a 3-tier architecture that combines Web 2.0 principles, especially those that focus on usability, community and collaboration, with the powerful Semantic Web infrastructure, which facilitates the information sharing among applications. Moreover, they present a development methodology, based on this architecture, especially tailored for the cultural heritage domain. Cultural developers can exploit this architecture and methodology in order to construct web2.0-powered cultural applications with rich-content and responsive user-interface. Furthermore, they outline some indicative applications in order to illustrate the features of the proposed architecture and prove that it can be applied today and support modern cultural web applications.

Building Semantic Web Portals with a Model-Driven Design Approach

2009 ◽  
pp. 46-106
Author(s):  
Marco Brambilla ◽  
Federico M. Facca
Keyword(s):  
Semantic Web ◽  
Web Application ◽  
Web Applications ◽  
Conceptual Models ◽  
Modeling Framework ◽  
Good Design ◽  
Model Driven ◽  
Software Artifacts ◽  
Design Requirements

This chapter presents an extension to Web application conceptual models toward Semantic Web. Conceptual models and model-driven methodologies are widely applied to the development of Web applications because of the advantages they grant in terms of productivity and quality of the outcome. Although some of these approaches are meant to address Semantic Web applications too, they do not fully exploit the whole potential deriving from interaction with ontological data sources and from semantic annotations. The authors claim that Semantic Web applications represent an emerging category of software artifacts, with peculiar characteristics and software structures, and hence need some specific methods and primitives for achieving good design results. In particular the contribution presented in this chapter is an extension of the WebML modeling framework that fulfils most of the design requirements emerging in the new area of Semantic Web. The authors generalize the development process to cover Semantic Web needs and devise a set of new primitives for ontology importing and querying. The chapter also presents a comparison of the proposed approach with the most relevant existing proposals and positioned with respect to the background and adopted technologies.

scholarly journals Using Regulatory Flexibility to Address Market Informality in Seed Systems: A Global Study

Agronomy ◽  
2021 ◽  
Vol 11 (2) ◽  
pp. 377
Author(s):  
Katrin Kuhlmann ◽  
Bhramar Dey
Keyword(s):  
Seed Quality ◽  
Regulatory Environment ◽  
Control Mechanisms ◽  
Seed Systems ◽  
High Quality ◽  
Design And Implementation ◽  
Key Dimensions ◽  
Regulatory Flexibility

Seed rules and regulations determine who can produce and sell seeds, which varieties will be available in the market, the quality of seed for sale, and where seed can be bought and sold. The legal and regulatory environment for seed impacts all stakeholders, including those in the informal sector, through shaping who can participate in the market and the quality and diversity of seed available. This paper addresses a gap in the current literature regarding the role of law and regulation in linking the informal and formal seed sectors and creating more inclusive and better governed seed systems. Drawing upon insights from the literature, global case studies, key expert consultations, and a methodology on the design and implementation of law and regulation, we present a framework that evaluates how regulatory flexibility can be built into seed systems to address farmers’ needs and engage stakeholders of all sizes. Our study focuses on two key dimensions: extending market frontiers and liberalizing seed quality control mechanisms. We find that flexible regulatory approaches and practices play a central role in building bridges between formal and informal seed systems, guaranteeing quality seed in the market, and encouraging market entry for high-quality traditional and farmer-preferred varieties.

scholarly journals Dynamic Signaling with Dropout Risk

2016 ◽  
Vol 8 (1) ◽  
pp. 57-82 ◽  
Author(s):  
Francesc Dilmé ◽  
Fei Li
Keyword(s):  
Time Varying ◽  
High Quality ◽  
Indivisible Good ◽  
Initial Belief ◽  
Costly Delay ◽  
Over Time

We study the role of dropout risk in dynamic signaling. A seller privately knows the quality of an indivisible good and decides when to trade. In each period, he may draw a dropout shock that forces him to trade immediately. To avoid costly delay, the seller with a low-quality good voluntarily pools with early dropouts, implying that the expected quality of the good increases over time. We characterize the time-varying equilibrium trading dynamics. It is demonstrated that the maximum equilibrium delay of trade is decreasing in the initial belief that the good is of high quality. (JEL C73, D82, D83)

THE ROLE OF COW PROCESSING IN IMPROVEMENT MILK QUALITY

2018 ◽  
Vol 1 (1) ◽  
pp. 59-63
Author(s):  
G. A. Larionov ◽  
◽  
O. Yu. Сhecheneshkina ◽  
E. S. Yatrusheva ◽  
N. I. Yendierov ◽  
...  
Keyword(s):  
Somatic Cell Count ◽  
Somatic Cells ◽  
Cow Milk ◽  
Microbiological Contamination ◽  
High Quality ◽  
Quality Of Milk ◽  
Correct Understanding ◽  
Main Factor

The main factor of determining the level of sanitary and hygienic indicators of the quality of milk produced is the hygiene of milking cows. The study of the role of hygiene of milking is of great importance for a correct understanding of the ways of solving the problem of obtaining high quality milk. Special attention of scientists and practitioners in recent years are focused on the development and implementation of highly effective detergents and disinfectants in the production of milk of cows. Many researchers and practitioners have directed their work to developing measures to prevent the entry of pathogenic microflora into milk during and after milking cows. In spite of many researches carried out, aimed at controlling the number of somatic cells in milk with the use of different products based on lactic acid, chlorhexidine and iodine, the problem of high quality milk production remains unresolved. In our work results of researches on the use of probiotic means for treatment of udders of cows are given. Processing the udder of cows with probiotic means before milking by Skin Cleaner, after milking by PIP Cow Teat Cleaner reduced the amount of somatic cells in cow milk 12,8-84,0%. The use of probiotic means Biomastim lowed somatic cell count of 18,4-51,9%. Microbiological contamination of milk using probiotic means for processing the udder before milking Skin Cleaner, after milking PIP Cow Teat Cleaner decreased 4,9- 70,4 times. The application of probiotic means Biomastim after milking on the teats led to the decrease in milk of cows QMAFAnM 5,0-6,6 times.

An open-source R-package and web application for high-quality probabilistic predictions in hydrology

2021 ◽  
Author(s):  
Jason Hunter ◽  
Mark Thyer ◽  
Dmitri Kavetski ◽  
David McInerney
Keyword(s):  
Open Source ◽  
Web Application ◽  
R Package ◽  
Error Model ◽  
Objective Functions ◽  
High Quality ◽  
Wide Range ◽  
Probabilistic Error

<p>Probabilistic predictions provide crucial information regarding the uncertainty of hydrological predictions, which are a key input for risk-based decision-making. However, they are often excluded from hydrological modelling applications because suitable probabilistic error models can be both challenging to construct and interpret, and the quality of results are often reliant on the objective function used to calibrate the hydrological model.</p><p>We present an open-source R-package and an online web application that achieves the following two aims. Firstly, these resources are easy-to-use and accessible, so that users need not have specialised knowledge in probabilistic modelling to apply them. Secondly, the probabilistic error model that we describe provides high-quality probabilistic predictions for a wide range of commonly-used hydrological objective functions, which it is only able to do by including a new innovation that resolves a long-standing issue relating to model assumptions that previously prevented this broad application.  </p><p>We demonstrate our methods by comparing our new probabilistic error model with an existing reference error model in an empirical case study that uses 54 perennial Australian catchments, the hydrological model GR4J, 8 common objective functions and 4 performance metrics (reliability, precision, volumetric bias and errors in the flow duration curve). The existing reference error model introduces additional flow dependencies into the residual error structure when it is used with most of the study objective functions, which in turn leads to poor-quality probabilistic predictions. In contrast, the new probabilistic error model achieves high-quality probabilistic predictions for all objective functions used in this case study.</p><p>The new probabilistic error model and the open-source software and web application aims to facilitate the adoption of probabilistic predictions in the hydrological modelling community, and to improve the quality of predictions and decisions that are made using those predictions. In particular, our methods can be used to achieve high-quality probabilistic predictions from hydrological models that are calibrated with a wide range of common objective functions.</p>

scholarly journals ERRORS AND FRAUD IN ACCOUNTING. THE ROLE OF EXTERNAL AUDIT IN FIGHTING CORRUPTION

10.26458/1743 ◽  
2017 ◽  
Vol 17 (4) ◽  
pp. 29-36
Author(s):  
Luminita Ionescu
Keyword(s):  
Financial Reporting ◽  
Accounting Standards ◽  
External Control ◽  
Electronic Systems ◽  
High Quality ◽  
External Audit ◽  
Strong Connection ◽  
Recent Developments

Accounting errors and fraud are common in most businesses, but there is a difference between fraud and misinterpretation of communication or accounting regulations. The role of management in preventing fraud becomes important in the last decades and the importance of auditing in curbing corruption is increasingly revealed. There is a strong connection between fraud and corruption, accelerated by electronic systems and modern platforms.The most recent developments tend to confirm that external auditing is curbing corruption, due to international accounting and auditing standards at national and regional levels. Thus, a better implementation of accounting standards and high quality of external control could prevent errors and fraud in accounting, and reduce corruption, as well.The aim of this paper is to present some particular aspects of errors and fraud in accounting, and how external audit could ensure accuracy and accountability in financial reporting. 

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