270 research outputs found
Requirements Builder: requirements gathering, analysis and management tool
The following graduate project proposes a new approach to requirements gathering, analysis and management. It introduces the newly developed tool to assist the software engineers in writing clear and manageable requirements that reliably reflect a client's needs and to ensure that the final product is tested against all specified requirements. The distinction of the new approach from existing commercial requirements management systems is in using a human- computer interaction for parsing requirements sentences into four parts: Subject, Verb, Definition, and Condition. These parts are defined as follows: � Subject - is a semantic center of a requirement sentence or a keyword, � Verb - defines relationship between Subj ect and Definition. � Definition - describes the Subject. � Condition - defines condition that must be met in order to establish a valid relationship between Subject and Definition. This approach allows to perform syntactic and semantic analysis for detection redundant and contradictory requirements as well as to minimize ambiguity in requirements sentences. The new tool, named "Requirements builder", helps effectively manage requirements by allowing developers to prioritize them, assign for implementation or testing to a particular staff member, and trace the status of each requirement throughout the project's life-cycle to the corresponding test cases. The new approach features a distinctive change management system, where the changes that have been made in one of requirements are automatically and instantaneously made in all interdependent requirements and test cases as well. Manually dividing requirement's sentences in four distinctive parts (Subject, Verb, Definition, and Condition) is a simple, but powerful, solution, opening many new possibilities in better understanding, analysis and management of requirements.California State University, Northridge. Department of Computer Science.Includes bibliographical references (leaf 51
Playing the cultural field : the role of outsourcing and cultural intermediaries in art museum development
This thesis explores the role of outsourcing in current museum developments through the case studies of the multinational companies Acoustiguide (a subsidiary of the Espro Acoustiguide Group) and Lord Cultural Resources in their chosen field of operation--museums, galleries and other cultural and heritage organizations. It examines their business operations against the backdrop of global museum transformations through an analysis of each company's economic, industrial, and discursive formations, and points to global flows of cultural exchange, as defined by Appadurai (1996), in an international field of cultural production. Bourdieu's concept of cultural intermediaries and field theory are central to this analysis. To meet the demands of the 20 century's increasingly global and technologically advanced world museums must balance traditional and contemporary roles. As a result, they have adopted and adapted certain organizational restructuring practices from the corporate sector. The relationship between these companies and museums is an exchange, with each ultimately influencing the development of the other. Keywords: cultural production; cultural intermediaries; museum; non-profit; outsourcing; globalization; technology; audio guide; Acoustiguide; Espro Aucoustiguide Group, Lord Cultural Resources, global consultancy; interpretation
A Development Strategy for the Revival of Tourist Hotspots following the COVID-19 Pandemic
The ongoing Covid-19 crisis has hit many sectors and industries in the hardest possible way. Travel and tourism-related activities have not been an exception. We contend that a systemic approach can be developed and implemented in order to trace and certify individuals who do not present an epidemiological risk to other people, and also to manage their close interaction. This could lead to the certification of a large proportion of the population—millions worldwide—as not representing a risk of infection to others. It can justify the implementation of a system that can speed up the reactivation of several economic sectors and industries, protecting jobs and accelerating economic recovery in many countries. People who have been ill with Covid-19 have acquired the corresponding antibodies and, therefore, have immunity to the disease, they could travel freely, thereby helping to reactivate the economy. We will explain in this paper how a number of high-tech tools can be implemented as a crowd control system to identify those who do not represent a risk to others, either because they have acquired immunity or because they can be regarded as not carriers of a communicable disease. We devise a method based on the use of a 3D-diagram that shows the existence of an inverse relation between the number of tests performed and the number of individuals that have contracted the disease. The results of the study suggest that the implementation of a new epidemiological tourist strategy in Cuba can help to reactivate tourist activities in the country while avoiding the creation of new hotbeds of infection for Covid-19
Mechanical design of rotors for permanent magnet high speed electric motors for turbocharger applications
Realization of electrically boosted turbochargers requires electric motors capable of operating at very high speeds. These motors often use a permanent magnet rotor with the magnets retained within an interference fit external sleeve. Whilst it is possible to model such systems numerically, these models are an inefficient tool for design optimization. Current analytical models of rotors typically consider the stresses induced by the shrink fit of the sleeve separately from the stresses generated by centripetal forces due to rotation. However, such an approach ignores the frictional interaction between the components in the axial direction. This paper presents an analytical model that simultaneously accounts for interaction between the magnet and outer sleeve in both the radial and axial directions at designed interference and with the assembly subjected to centripetal and thermal loads. Numerical models presented show that with only moderate coefficients of friction and rotor lengths; axial load transfer between magnet and sleeve takes place over a short distance at the ends of the assembly. The paper then demonstrates how the analytical model aids definition of a feasible set of rotor designs and selection of an optimum design
Language contact of Serbian and Turkish
Tématem bakalářské práce je jazykový kontakt srbštiny a turečtiny. Práce se zaměřuje především na dopad kontaktu těchto jazyků, který je zastoupen výpůjčkou (turcizmem). Součástí práce je slovník turcizmů, obsahující slova v původní turecké podobě, synonyma v srbštině a překlad do češtiny. První kapitola zabývá se sociálně-historickými příčinami průniku tureckých výpůjček do srbštiny. Dále je popsáno formování kontaktní lingvistiky a definován pojem jazykový kontakt, jsou určeny jeho typy. Jazykový kontakt neprobíhá bez následků a způsobuje jazykové změny, jednou z kterých je výpůjčka. Existují různé druhy výpůjček, avšak nejpodrobněji byla popsána lexikální výpůjčka. Pozornost byla věnována lexikálním výpůjčkám z turečtiny. Turcizmy byly rozdělené podle stupně zdomácnění v srbštině (ke každé kategorii turcizmů jsou uvedeny příklady). Dále jsou analyzovaný hláskové změny, které proběhly v důsledku přizpůsobení turcizmů srbské jazykové struktuře (ke každé hláskové změně jsou uvedeny příklady). Tyto turcizmy (podstatná jména, kromě abstraktních) byly rozdělené na sémantické kategorie. Závěrečnou kapitolu tvoří stručná analýza nejdůležitější literatury, věnované zkoumání jazykového kontaktu srbštiny a turečtiny.The subject of the present thesis is the language contact between Serbian and Turkish languages. The study is focused mainly on the borrowing of vocabulary as a result of the close contact between these two languages. The part of the research is presented in a form of a dictionary containing words in Turkish, Serbian (including Serbian domestic synonyms) and their translation to Czech. The first chapter examines the social and historical reasons of the penetration of the Turkish borrowings of vocabulary into the Serbian language. The second chapter presents the formation of contact linguistics and the definition of "language contact" as well as its types. The language contact occurs when two or more languages interact which leads to linguistic changes, one of the most common changes is borrowing of vocabulary. There are different types of languageborrowings, however, the most researched ones are the lexicalborrowings. In this thesis the Turkish loanwords/phrases were divided into groups based on their degree of domestication in the Serbian language(each group is presented by examples). Further, there is an analysis of the sound system changes of the language that have occurred as a result of adaptation of Turkish words/phrases into the Serbian language structure (each sound change is presented by...Katedra jihoslovanských a balkanistických studiíDepartment of South Slavonic and Balkan StudiesFilozofická fakultaFaculty of Art
Управление коммерциализацией результатов научных разработок.
В данной статье рассматриваются теоретические и методологические аспекты процесса коммерциализации результатов научных разработок. Автором разработана общая схема, сформулированы конкретные предложения по совершенствованию процесса такой коммерциализации. = The author of the article has considered the theoretical and methodological aspects of commercializing the results of research investigations. A general scheme has been worked out, and specific suggestions on improving the process of this commercialization have been formulated
Džibra kao izvor biofaktora promocije rasta i stimulator sinteze levana i ekstracelularne levansaharoze u Zymomonas mobilis
In the present work, the fermentation of simultaneous production of ethanol and levan by Zymomonas mobilis grown on different growth media has been studied. Yeast extract, rye stillage or sugar beet molasses stillage were used as additives to the basic sucrose media and the chemical composition, including vitamins, of the cultivation liquids have been determined. It has been shown that 0.5 % of yeast extract dry weight additive could be substituted by 10.0 % of native stillage additive. It was established that molasses stillage stimulates the ethanol synthesis, but rye stillage additive is more preferable for levan production. The extracellular levansucrase obtained from the culture liquid resulted in similar fructooligosaccharide-producing activities using all the above-mentioned media additives.U radu je istraživana istodobna proizvodnja etanola i levana fermentacijom Z. mobilis na raznim podlogama. Ekstrakt kvasca, džibra od rižine melase ili melase šećerne repe upotrijebljeni su kao dodaci osnovnoj šećernoj otopini, a određen je kemijski sastav podloge za uzgoj, uključujući vitamine. Pokazalo se da se 0,5 % udjela suhe tvari kvaščeva ekstrakta kao aditiva može zamijeniti s 10,0 % izvorne džibre. Utvrđeno je da melasna džibra stimulira sintezu etanola, a džibra je rižine melase povoljnija za proizvodnju levana. Ekstracelularna levansaharoza dobivena iz podloge za uzgoj, koristeći sve navedene dodatke, pokazala je sličnu aktivnost proizvodnje fruktooligosaharida
The ATLAS TRT electronics
The ATLAS inner detector consists of three sub-systems: the pixel detector spanning the radius range 4cm-20cm, the semiconductor tracker at radii from 30 to 52 cm, and the transition radiation tracker (TRT), tracking from 56 to 107 cm. The TRT provides a combination of continuous tracking with many projective measurements based on individual drift tubes (or straws) and of electron identification based on transition radiation from fibres or foils interleaved between the straws themselves. This paper describes the on and off detector electronics for the TRT as well as the TRT portion of the data acquisition (DAQ) system
The ATLAS Transition Radiation Tracker (TRT) proportional drift tube: design and performance
A straw proportional counter is the basic element of the ATLAS Transition Radiation Tracker (TRT). Its detailed properties as well as the main properties of a few TRT operating gas mixtures are described. Particular attention is paid to straw tube performance in high radiation conditions and to its operational stability
- …
