Academic literature on the topic 'Deal popularity'
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Journal articles on the topic "Deal popularity"
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Luo, Xueming, Michelle Andrews, Yiping Song, and Jaakko Aspara. "Group-Buying Deal Popularity." Journal of Marketing 78, no. 2 (March 2014): 20–33. http://dx.doi.org/10.1509/jm.12.0422.
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Kao, Karen C., Sally Rao Hill, and Indrit Troshani. "Effects of cue congruence and perceived cue authenticity in online group buying." Internet Research 30, no. 3 (March 2, 2020): 945–70. http://dx.doi.org/10.1108/intr-11-2018-0477.
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PurposeThe study investigates how the congruence of online deal popularity and star rating influences service quality expectation in online group buying (OGB) websites. It also investigates the role of authenticity perceptions of online cues.Design/methodology/approachTwo experiments are used to assess the effects of congruence between deal popularity and star rating on service quality expectation for service deals in an OGB website.FindingsThe findings suggest that a combination of congruently high deal popularity and high star rating has a stronger effect on expected service quality than a combination of congruently low cues. The findings further suggest that expected service quality is greater under the combination of high deal popularity and low star rating than the combination of low deal popularity and high star rating, showing the differences between incongruent cue combinations. The findings also show the moderating effect of consumer authenticity perceptions of cues on the expected service quality.Originality/valueThe novel contribution of the study is to extend cue congruence theory to explain how congruent online information cues and the consumers' authenticity perceptions of the cues influence consumers' judgment of online deals. The contribution is validated empirically in the context of OGB. The findings advance current knowledge concerning how consumers use online information cues.
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Krishnan, C. N. V., and Paul Laux. "Legal advisors: Popularity versus economic performance in acquisitions." Corporate Ownership and Control 6, no. 2 (2008): 475–99. http://dx.doi.org/10.22495/cocv6i2c4p6.
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Law firms provide extensive intermediation in corporate acquisitions, including negotiation, certification, and drafting of contracts and agreements. Using a broad sample of U.S. acquisition offers, we find that large-market-share law firms are regularly called upon to facilitate completion of large, legally-complex offers. Complex offers are often withdrawn but, controlling for complexity; large-share law firms are associated with enhanced deal completion. Further, we document that some law firms are consistently associated with deal completion over time, and that acquirers with good deal completion experience use fewer different law firms. Acquirers‟ risk-adjusted returns, though, are smaller around announcements of offers advised by large-share law firms. Post-offer long-run returns of the acquirers are also lower and often negative following offers advised by large-share law firms. We find no evidence that particular law firms are consistently associated over time with strong returns. Our conclusion is that large law firms enhance deal completion in difficult situations, consistent with the aims of acquirer management. However, we find no systematic evidence that these popular law firms act as “gatekeepers” in the sense of not wanting to be associated with value-destroying deals.
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Kao, Karen C., Sally Rao Hill, and Indrit Troshani. "A cross-country comparison of online deal popularity effect." Journal of Retailing and Consumer Services 60 (May 2021): 102402. http://dx.doi.org/10.1016/j.jretconser.2020.102402.
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Kao, Karen C., Sally Rao Hill, and Indrit Troshani. "Online Consumers’ Responses to Deal Popularity as an Extrinsic Cue." Journal of Computer Information Systems 57, no. 4 (November 2, 2016): 374–84. http://dx.doi.org/10.1080/08874417.2016.1232997.
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Zhao, Xujian, and Wei Li. "Trend Prediction of Event Popularity from Microblogs." Future Internet 13, no. 9 (August 24, 2021): 220. http://dx.doi.org/10.3390/fi13090220.
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Owing to rapid development of the Internet and the rise of the big data era, microblog has become the main means for people to spread and obtain information. If people can accurately predict the development trend of a microblog event, it will be of great significance for the government to carry out public relations activities on network event supervision and guide the development of microblog event reasonably for network crisis. This paper presents effective solutions to deal with trend prediction of microblog events’ popularity. Firstly, by selecting the influence factors and quantifying the weight of each factor with an information entropy algorithm, the microblog event popularity is modeled. Secondly, the singular spectrum analysis is carried out to decompose and reconstruct the time series of the popularity of microblog event. Then, the box chart method is used to divide the popularity of microblog event into various trend spaces. In addition, this paper exploits the Bi-LSTM model to deal with trend prediction with a sequence to label model. Finally, the comparative experimental analysis is carried out on two real data sets crawled from Sina Weibo platform. Compared to three comparative methods, the experimental results show that our proposal improves F1-score by up to 39%.
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Chow, Cheris W. C., Clement S. F. Chow, Jennifer Y. M. Lai, and Lida L. Zhang. "Online group‐buying : The effect of deal popularity on consumer purchase intention." Journal of Consumer Behaviour 21, no. 2 (December 16, 2021): 387–99. http://dx.doi.org/10.1002/cb.2013.
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Shashlova, Sofya S. "Linguistic specificity of Russian YouTube-blogs that deal with feministic issues." Век информации (сетевое издание) 5, no. 2(15) (May 31, 2021): 84–90. http://dx.doi.org/10.33941/age-info.com52(15)9.
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the article discusses lexical form of Russian YouTube-blogs covering issues of feminism. The actuality of the theme is determined by the popularity of feminism in modern Russian media. We believe that the aspect of lexical form has a special meaning in the analyzed texts and it is determined by their aim of impact.
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Loyeung, Anna. "The role of boutique financial advisors in mergers and acquisitions." Australian Journal of Management 44, no. 2 (October 5, 2018): 212–47. http://dx.doi.org/10.1177/0312896218792970.
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This study examines the choice of boutique financial advisors in mergers and acquisitions, and the consequences of this choice on deal outcomes and post-acquisition performance. Boutique advisors often specialize in a particular industry and focus exclusively on providing advice in mergers and acquisitions. The results suggest that boutique financial advisors are preferred when the deal is considered complex and when information asymmetry is high. The study finds that the benefits of hiring a boutique advisor flow to both the acquirers and the target firms. Acquiring firms benefit in terms of improved post-merger performance, while target firms benefit in terms of higher completion of value-enhancing deals and positive cumulative abnormal returns. Overall, these results provide support for the growing popularity of boutique financial advisors in the Australian market. JEL classification: G24, G34
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Han, Xiaolu. "Recommendation Algorithm of Web-Based Learning Resources considering Timeliness and Popularity." Advances in Multimedia 2022 (October 7, 2022): 1–6. http://dx.doi.org/10.1155/2022/2584890.
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The optimized learner evaluation matrix and similarity model are essential methods to deal with the challenges of “data sparsity” and “cold start” in the process of learning resource recommendation on the online learning platform. Accordingly, an improved collaborative filtering algorithm (TRCP) is proposed to improve the accuracy of learning resource recommendation. The TRCP algorithm generates the learner evaluation matrix for recommended projects by classifying learning resources. It comprehensively considers the influence of learners’ online learning behavior, learning time, and popularity of learning resources on learners’ interest and optimizes the sample data in the evaluation matrix. The experimental results on the school online teaching platform verified that this method has achieved obvious and effective results in both the accuracy and satisfaction rate of learning resource recommendation.
Dissertations / Theses on the topic "Deal popularity"
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Kao, (Karen) Chia-Yin. "Consumer reactions to deal popularity information: cue congruency, perceived authenticity, service types, and cultural difference." Thesis, 2017. http://hdl.handle.net/2440/108499.
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This research was undertaken to examine how online deal popularity influences consumer reactions and the conditions under which the effects take place using scenario - based experiments. Three studies were conducted and reported in this thesis. Study I tests a model that is underpinned by cue utilisation theory that reactions to online deal popularity may be mediated by service quality expectation and the effect will vary across service types, namely, experience and credence services. The findings support the theorised model in demonstrating that consumers who face high online deal popularity tend to have high service quality expectation, which in turn, increases their willingness to recommend and their intention to purchase a service in a deal. Furthermore, Study I provides evidence that the effect of deal popularity on service quality expectation is significant for credence services and not significant for experience services. Study II extends Study I by examining cue congruency effect and consumers’ perceived information authenticity as the boundary conditions that may modify the effect. Results support the moderating effect of cue congruency and perceived information authenticity. That is, when consumers face the congruent cue combination (i.e., high online deal popularity paired with a high star rating) and when they have high perceived authenticity about the online deal popularity, they have high service quality expectation, which in turn increases their intention to purchase the service deal. In addition, while congruent cues indeed amplify the effect of online deal popularity, high deal popularity can influence service quality expectation even when incongruently paired with another cue (i.e., a low star rating). This suggests the dominant role of online deal popularity under incongruent cue combinations. Using an observational learning perspective, Study III examines consumers’ risk perceptions toward online deal popularity by considering the purchase uncertainty in online shopping for service deals. In addition, Study III compares the effect between two countries, Australia and Taiwan, using Hofstede’s cultural value dimension scores and Hall’s cultural context as the proxies of cultural differences. Results suggest that perceived performance risk and psychological risk mediate the effect of online deal popularity on purchase intention in both countries. With the significant mediating effect of perceived risks, the direction of the influence for Australian consumers is opposite to that for Taiwanese consumers. Australian consumers were found to perceive high performance and psychological risk when facing high online deal popularity, which subsequently reduces their intentions to purchase a service in a deal. By contrast, Taiwanese consumers were found to have low performance and psychological risk when facing high online deal popularity which increased their purchase intention. The three studies that comprise this thesis enhance current understanding of the effects of online deal popularity and the mechanism and boundary conditions through which it operates. Thus it contributes to cue utilisation and observational learning theory in service marketing and the broader consumer behaviour literature. Practical implications have been provided for e-retailers to leverage on online deal popularity as a marketing signal to influence consumers’ service quality expectations and risk perceptions by considering service types, national cultures, perceived information authenticity, and cue congruency for service deal promotions.Thesis (Ph.D.) (Research by Publication) -- University of Adelaide, Business School, 2017.
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Wang, Chao-Tsung, and 王肇宗. "The Market Strategy for Major PC Vendors in response to the rising popularity of Mobile Devices：Exemplified By Dell、IBM and HP." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/95563993787025686546.
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碩士國立臺灣科技大學
管理研究所
101
Mobile devices and cloud technology has developed rapidly over past decade. With the rise of smart mobile devices, it drives consumers to obtain information by more than one way. Such as Apple Computer, Samsung Electronics and HTC are more representative enterprise of fastest growing in this period, and many Taiwan suppliers benefit from them. For instance, Facebook, Google and Weibo, these large community websites create substantial of information demand owing to variety of devices, and they also provide quick access to replace the old social model. The large enterprises like Dell, IBM and Hewlett-Packard, which sell computer hardware or software, they lost competitiveness gradually in this great revolution. Cost leading is Dell's business strategy, it not only provide specific and lower price products by direct sales and customization, but also optimize cost structure by its zero inventory strategy. Nowadays, enterprises would probably lose the abilities of innovation and their value when they only count on the low-cost strategy. IBM was the pioneer which abandons the low-profit personal consumer products. It began to put their target on software service industry after 2000. It attempted to build up the global cloud services. While it provided high-value and high-profit vision in the future, but it resulted in losing the advantage of diversification and complete product services. Hewlett-Packard has devoted to creating business differentiation strategy, and enhanced its competitive advantage and increase the threshold for competitions through merge and acquisition. Unfortunately, since the frequent CEO movement, making it lack of consistent business strategy, HP gradually lose their competitive advantage in computer market and resulted in facing the failure M&A cases. This study raises three large foreign companies as case examples to research and analyze the business strategy in computer market individually. First, I will analyze the competitive advantage and changing strategies of case company in Chapter III. Second, I will introduce its future development. And I will make the conclusion and raise the relevant recommendations of this study in the end.
Books on the topic "Deal popularity"
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The sweetheart deal. New York: Scholastic Inc., 2010.
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The Sweetheart Deal. New York: Scholastic, 2009.
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It's our prom (so deal with it): A novel. New York: Little, Brown, 2012.
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Gephart, Donna. How to survive middle school (without getting your head flushed), deal with an ex-best friend, um, girls, and a heart-breaking hamster. New York: Delacorte Press, 2010.
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author, Levenson Steven 1984, Pasek Benj author, and Paul Justin author, eds. Dear Evan Hansen. New York, NY: Poppy, 2018.
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Prezhde chem i͡a upadu. Moskva: Ėksmo, 2011.
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Dean, Carolee. Forget me not. New York: Simon Pulse, 2012.
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Karma-gliṅ-pa. The Tibetan book of the dead: As popularly known in the West : known in Tibet as the great book of liberation through understanding in the between. New York, N.Y: Quality Paperback Book Club, 1998.
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Karma-gliṅ-pa. The Tibetan book of the dead, as popularly known in the West: Known in Tibet as The great book of natural liberation through understanding in the between. New York: Bantam Books, 1994.
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Lu, Sun, ed. Hu ran qi ri: Before I fall. Changsha Shi: Hu'nan wen yi chu ban she, 2011.
Find full textBook chapters on the topic "Deal popularity"
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Imamura, Kiyotaka, and Victor Gheorghe Radu. "Endoscopic Anterior Component Separation Technique (eACS)." In Mastering Endo-Laparoscopic and Thoracoscopic Surgery, 437–41. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-3755-2_61.
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AbstractComponent separation technique (CST) provides a substantial amount of medial advancement of myofascial components of the abdominal wall and is useful in addressing large and complex hernia defects during open ventral hernia repair. Classic anterior CST is associated with high rates of surgical site occurrences and infection [1]. To reduce wound complications, endoscopic approach was developed [2]. Although endoscopic anterior CS (eACS) has lost popularity due to recent trend toward TAR for complex abdominal wall reconstruction cases [3], eACS result in a similar wound morbidity and recurrence rate as TAR [4]. eACS could be another option in the armamentarium to deal with complex ventral hernias.
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Wennberg, Karl, and Christian Sandström. "Introduction." In International Studies in Entrepreneurship, 3–18. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-94273-1_1.
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AbstractWestern economies are struggling to recover from a decade of Plagued by structural crises, an ongoing pandemic, high unemployment and sluggish growth. As progressively looser monetary and fiscal policies have not helped, both the EU and national governments have increasingly turned towards interventionist industrial policies. Mariana Mazzucato’s The Entrepreneurial State (2011) provided an intellectual justification for these efforts, and consequently gained popularity. The message was clear: in order to get more innovation, entrepreneurship, sustainable development and growth we need more government, not less. In this book, 30 international scholars address the core ideas underpinning the entrepreneurial state. We provide evidence of both historical and recent failures of “green deals” and similar efforts, while also developing novel directions for innovation policy. In many regards, this book is a warning: huge government schemes towards specific, noble outcomes have historically been plagued with failures. In sum, we argue that innovation policy needs to be inverted: instead of being specific and targeted, it needs to be broad and general, focusing on the general conditions for firms to operate. Instead of providing targeted support to certain firms, industries or even technologies, innovation policy needs to constructively deal with barriers to innovation, including the proactive handling of vested interest groups.
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Biers, Trish. "Rethinking Purpose, Protocol, and Popularity in Displaying the Dead in Museums." In Ethical Approaches to Human Remains, 239–63. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32926-6_11.
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De Meulder, Bruno, Julie Marin, and Kelly Shannon. "Evolving Relations of Landscape, Infrastructure and Urbanization Toward Circularity: Flanders and Vietnam." In Regenerative Territories, 107–21. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-78536-9_6.
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AbstractA great deal of the contemporary discourse around circularity revolves around waste—the elimination of waste (and wastelands) through recycling, renewing and reuse (3Rs). In line with industrial ecological thinking, the discourse often focuses on resource efficiency and the shift toward renewables. The reconstitution of numerous previous ecologies is at most a byproduct of the deliberate design of today’s cyclic systems. Individual projects are often heralded for their innovative aspects (both high- and low-tech) and the concept has become popularly embraced in much of the Western world. Nevertheless, contemporary spatial circularity practices appear often to be detached from their particular socio-cultural and landscape ecologies. There is an emphasis on performative aspects and far too often a series of normative tools create cookie-cutter solutions that disregard locational assets—spatial as well as socio-cultural. The re-prefix is evident for developed economies and geographies, but not as obvious in the context of rapidly transforming and newly urbanizing territories. At the same time, the notion of circularity has been deeply embedded in indigenous, pre-modern and non-Western worldviews and strongly mirrored in historic constellations of urban, rural and territorial development. This contribution focuses on two contexts, Flanders in Belgium and the rural highlands, the Mekong Delta and Ho Chi Minh City in Vietnam, which reveal that in spite of the near-universal prevalence of the Western development paradigm, there are fundamentally different notions of circularity in history and regarding present-day urbanization. Historically, in both contexts, the city and its larger territory formed a social, economic and ecological unity. There was a focus is on the interdependent development of notions of circularity in the ever-evolving relations of landscape, infrastructure and urbanization. In the development of contemporary circularity, there are clear insights that can be drawn from the deep understandings of historic interdependencies and the particular mechanisms and typologies utilized. The research questions addressed are in line with territorial ecology’s call to incorporate socio-cultural and spatial dimensions when trying to understand how territorial metabolisms function (Barles, Revue D’économie Régionale and Urbaine:819–836, 2017). They are as follows: how can case studies from two seemingly disparate regions in the world inform the present-day wave of homogenized research on circularity? How can specific socio-cultural contexts, through their historical trajectories, nuance the discourse and even give insights with regard to broadened and contextualized understandings of circularity? The case studies firstly focus on past site-specific cyclic interplays between landscape, infrastructure and urbanization and their gradual dissolution into linearity. Secondly, the case studies explicitly focus on multi-year design research projects by OSA (Research Urbanism and Architecture, KU Leuven), which underscore new relations of landscape, infrastructure and urbanization and emphasize the resourcefulness of the territory itself. The design research has been elaborated in collaboration with relevant stakeholders and experts and at the request of governmental agencies.
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Cohen, Robert. "The Making of a Mass Movement." In When the Old Left Was Young. Oxford University Press, 1993. http://dx.doi.org/10.1093/oso/9780195060997.003.0009.
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Franklin Delano Roosevelt so dominated the American political scene from the fall of 1932 through the end of the Depression decade that historians refer to these years as the Age of Roosevelt. He won the 1932 presidential race in one of the greatest landslides in American history, trouncing Hoover—who the electorate blamed for the Depression—by almost seven million votes. FDR then presided over the extensive New Deal recovery, relief and reform programs, whose popularity helped keep him in the White House longer than any other president. But Roosevelt’s great popularity with the general public did not initially carry over onto college campuses. During most of his first term, neither FDR nor his major programs captured the imagination of the American student body. Roosevelt’s presidential campaign in 1932 failed to generate much excitement on campus, and from 1933 to 1935 the cause that most inspired college youth was world peace rather than the New Deal. If the choice had been left to college students, the straw polls show, Franklin Roosevelt would not have been elected president in 1932. FDR ran far behind Hoover in the campus polls taken shortly before election day. Only 31 percent of the collegians polled supported Roosevelt, while 49 percent endorsed Hoover. Roosevelt even did badly on campuses where he had direct, personal connections. At Harvard, FDR’s alma mater, the Democratic candidate lost to Hoover by a margin of more than three to one: 1211 students there voted for Hoover, while only 395 cast their ballots for Roosevelt. Support for Roosevelt was also weak among undergraduates at Columbia University, despite the fact that several of his key advisers, popularly known as the New Deal “brain trust,” including Raymond Moley, Rexford Tugwell, and Adolph Berle, were Columbia professors. With almost two thirds of Columbia undergraduates voting, FDR attracted only 221 votes, losing not only to Hoover, who drew 307 votes, but also to Norman Thomas, the socialist candidate, who won 421 votes. This enabled Columbia socialists to boast at the Norman Thomas rally at Madison Square Garden that “Columbia Professors May Write Roosevelt’s Speeches But Columbia Students Vote For Thomas.”
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Ritterhouse, Jennifer. "This Division between Faith in Democracy and Power Descending from Authority." In Discovering the South. University of North Carolina Press, 2017. http://dx.doi.org/10.5149/northcarolina/9781469630946.003.0003.
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This chapter traces the first leg of Jonathan Daniels's trip through the textile mill towns of North and South Carolina and into Tennessee. His ambivalent attitude toward working-class white southerners related to the popularity of poor-white caricatures in Erskine Caldwell's novels Tobacco Road and God's Little Acre. Daniels saw the impact of the Civilian Conservation Corps in Great Smoky Mountains National Park and pondered the effects of the Tennessee Valley Authority in Knoxville, Norris, and Chattanooga. TVA commissioner David Lilienthal reassured him that New Deal programs were committed to grassroots democracy rather than social planning by outsiders. Yet Daniels was conscious of the challenges to segregation and white supremacy the New Deal was likely to bring. Wary of federal intervention in the South, Daniels looked to the road ahead with even greater concerns about far left and far right, Communist and proto-fascist, alternatives.
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Goksoy, Asli. "Cultural Integration in Mergers and Acquisitions." In Handbook of Research on Corporate Restructuring and Globalization, 101–24. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8906-8.ch005.
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Mergers and acquisitions (M&As) are recognized as one of the most popular corporate strategies in recent years. Unlike its popularity, the success rate of mergers and acquisitions is surprisingly low. There are many reasons for failure, but among all, culture integration has emerged as one of the major barriers to an effective merger and acquisition deal. This chapter highlights the fundamentals of this topic with literature review and presents practical and effective guidelines for facilitating cultural integration in merger and acquisition process effectively and efficiently and achieving greater results from the organizational change efforts.
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Kalman, Laura. "Roosevelt v. “The Nine Old Men”." In FDR's Gambit, 1—C1.F18. Oxford University PressNew York, 2022. http://dx.doi.org/10.1093/oso/9780197539293.003.0001.
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Abstract Chapter 1 sets the stage for understanding the conflict between FDR and the Supreme Court. It explores the justices’ unease with the growth of the administrative state and the contemporary portrayal of them as the “nine old men” dead set against change. By 1936, much of the New Deal lay in ruins, and there was widespread dissatisfaction with the conservative court, which made it difficult to enact federal or state legislation to address the Great Depression. Yet FDR’s attempt to curry that dissatisfaction by criticizing the court’s “horse and buggy” interpretation of the Constitution backfired and raised fears that he contemplated endowing the federal government with unprecedented, centralized power. And because the justices had not completely savaged his program and he had not yet won a second term, Roosevelt had to bide his time. In the meantime, his effectiveness and popularity dimmed. Though it looked increasingly likely he would win re-election, few were predicting a landslide.
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Dasgupta, Ushashi. "Interlude." In Charles Dickens and the Properties of Fiction, 189–203. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198859116.003.0005.
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This short interlude leaves London in order to consider the seaside as a site of pastoral retreat. It discusses the popularity of resorts in the period. Dickens, Samuel Beazley, Mary Elizabeth Braddon, WM Thackeray, and Anthony Trollope transplant traditional pastoral narratives to the seaside; here, hotels, inns, and boarding houses witness scenes of escape, liberation, and personal transformation, many of which are more ambivalent than they appear. The Interlude begins with a study of class, wealth, and the rags-to-riches tale in the rented spaces of Brighton, Margate, and Ramsgate, and then moves on to stories of romance, heartbreak, and sexual license in Brighton, Deal, Lowestoft, Margate, and Yarmouth. The final section focuses on health, convalescence, and death.
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Blevins, Brooks. "Exposing the Ozarks." In A History of the Ozarks, Volume 3, 135–66. University of Illinois Press, 2021. http://dx.doi.org/10.5622/illinois/9780252044052.003.0006.
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Chapter 5 serves as a sort of bridge chapter between the first four chapters and the final two. It links the pre-Depression chapters with the post-World War II chapters by following the Ozarkers through the Depression and World War II. The chapter charts the prevalence of poverty and suffering in the region and the impact of a wide variety of New Deal programs. It also chronicles other crucial elements of the era’s history, such as the activities of criminals in the “Public Enemy Ozarks” and the lives of migrant laborers. The chapter concludes with an examination of the region’s pop-cultural popularity during the “Year of the Ozarks,” followed by World War II’s impact, including the construction of two large army installations.
Conference papers on the topic "Deal popularity"
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Nass, Carlos Eduardo, Agustín Alejandro Ortíz Díaz, and Fabiano Baldo. "SSL-VFC4.5: An approach to adapt Very Fast C4.5 classification algorithm to deal with semi-supervised learning." In Simpósio Brasileiro de Banco de Dados. Sociedade Brasileira de Computação - SBC, 2021. http://dx.doi.org/10.5753/sbbd.2021.17862.
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The growing popularity of audio and video streaming, industry 4.0 and IoT (Internet of Things) technologies contribute to the fast augment of the generation of various types of data. Therefore, to analyze these data for decision-making, supervised machine learning techniques need to be fast while keeping a suitable predicting performance even in many real-life scenarios where labeled data are expensive and hard to be gotten. To overcome this problem, this work proposes an adaptation to the Very Fast C4.5 (VFC4.5) algorithm implementing on it a semi-supervised impurity metric presented in the literature. The results pointed out that this adaptation can slightly increase the accuracy of the VFC4.5 when the datasets have the presence of a very few amount of labeled instances, but it increases the training time, especially when the number of labeled instances in the datasets increase.
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Qian, W., R. Burton, G. Schoenau, and P. Ukrainetz. "A Comparison of a PID Controller to a Neural Net Controller in a Hydraulic System With Nonlinear Friction." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-0476.
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Abstract Neural networks have been applied to a wide spectrum of applications in the last decade, including the fluid power area. The popularity of neural networks can be attributed, in part, to their ability to deal with nonlinear systems. Their use as a controller, however, poses many interesting problems, especially when trying to apply them to practical systems. In hydraulics, PID controllers have been used with some degree of success; however, when it comes to highly nonlinear systems, this established method encounters some difficulties. This paper considers the applied problem of a hydraulic servovalve controlling a actuator with nonlinear friction characteristics. A neural net controller is pre-trained to the performance of a special PID controller which has been tuned to a specific waveform. The plant is a model of a hydraulic servovalve and a linear actuator with slip-stick friction characteristics. The neural net controller replaces the PID controller and shows superior performance for waveforms that it was not trained for. The addition of a “kicker” signal reduced the distortion of velocity (a consequence of nonlinear friction) when the velocity was near zero. It is concluded that in certain applications, a neural net controller does show potential for use in nonlinear systems, but many other issues such as stability, reliability, and adaptability must be addressed in the future.
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Shoemaker, N. T., C. M. Gibson, A. C. Polk, S. R. Krishnan, and K. K. Srinivasan. "Performance and Emissions Characteristics of Bio-Diesel (B100)-Ignited Methane and Propane Combustion in a Four Cylinder Turbocharged Compression Ignition Engine." In ASME 2011 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/icef2011-60081.
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Different combustion strategies and fuel sources are needed to deal with increasing fuel efficiency demands and emission restrictions. One possible strategy is dual fueling using readily available resources. Propane and natural gas are readily available with the current infrastructure and biodiesel is growing in popularity as a renewable fuel. This paper presents experimental results from dual fuel combustion of methane (as a surrogate for natural gas) and propane as primary fuels with biodiesel pilots in a 1.9 liter, turbocharged, 4 cylinder diesel engine at 1800 rev/min. Experiments were performed with different percentage energy substitutions (PES) of propane and methane and at different brake mean effective pressures (BMEP/bmep). Brake thermal efficiency (BTE) and emissions (NOx, HC, CO, CO2, O2 and smoke) were also measured. Maximum PES levels for B100-methane dual fuelling were limited to 70% at 2.5 bar bmep and 48% at 10 bar bmep, and corresponding values for B100-propane dual fuelling were 64% and 43%, respectively. Maximum PES was limited by misfire at 2.5 bar bmep and the onset of engine knock at 10 bar bmep. Dual fuel BTEs approached straight B100 values at 10 bar bmep while they were significantly lower than B100 values at 2.5 bar bmep. In general dual fuelling was beneficial in reducing NOx and smoke emissions by 33% and 50%, respectively from baseline B100 levels; however, both CO and THC emissions were significantly higher than baseline B100 levels at all PES and loads.
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Xu, Xiaoqiang, Yongjia Wu, Lei Zuo, and Shikui Chen. "Multimaterial Topology Optimization of Thermoelectric Generators." In ASME 2019 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/detc2019-97934.
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Abstract Over 50% of the energy from power plants, vehicles, oil refining, and steel or glass making process is released to the atmosphere as waste heat. As an attempt to deal with the growing energy crisis, the solid-state thermoelectric generator (TEG), which converts the waste heat into electricity using Seebeck phenomenon, has gained increasing popularity. Since the figures of merit of the thermoelectric materials are temperature dependent, it is not feasible to achieve high efficiency of the thermoelectric conversion using only one single thermoelectric material in a wide temperature range. To address this challenge, this paper proposes a method based on topology optimization to optimize the layouts of functional graded TEGs consisting of multiple materials. The objective of the optimization problem is to maximize the output power and conversion efficiency as well. The proposed method is implemented using the Solid Isotropic Material with Penalization (SIMP) method. The proposed method can make the most of the potential of different thermoelectric materials by distributing each material into its optimal working temperature interval. Instead of dummy materials, both the P and N-type electric conductors are optimally distributed with two different practical thermoelectric materials, namely Bi2Te3 & PbTe for P-type, and Bi2Te3 & CoSb3 for N-type respectively, with the yielding conversion efficiency around 12.5% in the temperature range Tc = 25°C and Th = 400°C. In the 2.5D computational simulation, however, the conversion efficiency shows a significant drop. This could be attributed to the mismatch of the external load and internal TEG resistance as well as the grey region from the topology optimization results as discussed in this paper.
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Racic, Zlatan, and Juan Hidalgo. "Practical Balancing of Flexible Rotors for Power Generation." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34333.
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Balancing technology is still relatively new. Thirty years ago it was primarily still part of the skilled trade and was often obscured. Today there is enough reference literature printed during the last 20 years alone on general balancing and balancing of flexible rotors, that could fill a room, (Ref: N. Rieger). The majority of papers and other references deal with theoretical derivation of equations based on Jeffcott rotor model. With the growth of rotor sizes specifically of electric generators in power plants, so grew the need to develop not only a theory, but also the way to practically balance these rotors. The economy of manufacturing required pushing the rotors to more and more slender; lower and lower stiffness (∝ EIxx/L3) designs, in relation to its mass moment of inertia (Im), these rotors were more difficult to balance. The first to encounter the problem of balancing these rotors were the OEMs. On two different shores of the Atlantic Ocean, two basic balancing theories known as balancing in “N”, or in “N+2” balancing planes and operating rotor modes were developed. Later, with the development of the microcomputer the influence coefficient method had gained popularity among the power plant community and despite good experiences from both sides the controversy over which one produces better results was left open. In this paper a review of the “N” and “N+2” methods including notes on influence coefficients (IC) is conducted from a practical standpoint. The conclusion by the Authors is that there is no “better” or “worse” balancing method, only the more or less economical in a given situation, and neither gives a unified method to satisfy every rotor. General guidance is also provided over which method to use for best results in balancing large turbo-generator sets.
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Huang, Shanfang, Jiageng Wang, Yisheng Hao, Guodong Liu, Minyun Liu, and Yugao Ma. "Reforms and Innovations in a Nuclear Engineering Course: Nuclear Power Plant Systems and Equipment." In 2020 International Conference on Nuclear Engineering collocated with the ASME 2020 Power Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/icone2020-16033.
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Abstract The Fukushima nuclear accident in Japan caused a significant impact on the nuclear power industry and public attitudes towards nuclear energy. The decreased public acceptance and the regulatory authorities’ stricter requirements of nuclear safety lead to the popularity of advanced safety technologies in scientific research and engineering projects. The demand for highly qualified human resources increases by the gradual recovery of the nuclear power field in China. In order to meet this demand, a series of course innovations are taken at Tsinghua University. Focusing on the course “Nuclear Power Plant Systems and Equipment,” the paper discusses the innovations of the course stimulated by the current industry trends and demands. A brief introduction to the special commissioned-student program at Tsinghua University is given. The paper investigates the meaning and function of the course in the frame of the curriculum plan for nuclear engineering students at Tsinghua University. The personal career plan, the industry outlook, and even the public attitudes contribute to senior students’ attitudes and demands for the course, which is tied closely to the effect of teaching. The paper addresses that the objective of the innovations is to develop a course fixing different students’ demands and help them build their ability to solve practical engineering problems in their future professional careers. The selection of teaching contents and the teaching strategy are discussed. This course takes Westinghouse AP1000 as the major point. And the nuclear power plant systems are taught in a divided way. One is the operation system, and the other is the safety system. This separation is based on the different functions and roles of these two parts and could have advantages in teaching effect. The paper explains the critical points of the systems and innovations of how to deal with course difficulties. There is a corresponding part of the safety system, and this part gets more challenges due to the industry trends. Lectures, group discussions, homework, and presentation projects are discussed. Besides, the paper considers possible efforts for further development of nuclear engineering courses.
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Gilleo, Ken. "MEMS Challenge: Can This Technology Catch the Internet Lightwave?" In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1154.
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Abstract The pundits of the money world tell us to be a “dotcom” or enable them for excitement and rewards. Traffic on the Internet Highway is certainly stepping up the pace as “slow” electrons make way for ultimate-speed photons creating major hardware opportunities. The “Copper Road” has become the “Glass Super Highway” as long-haul terrestrial and underwater communications links move up to Advanced Photonics. Nothing can be faster than light, but more important, no other medium can offer wider bandwidth when wave-multiplexing strategies are used. Photonics, employing dense wave division multiplexing (DWDM) can carry the equivalent of 12,000 encyclopedias or 5-million phone calls on a single fiber. Recent advances in photonics hardware, including higher-powered lasers, more efficient amplifiers and cleaner optical fiber are enabling incredible bandwidth for the Internet and general communications services. But how do we route a light beam? The long-haul segments of the Internet, now mostly fiberoptics, have been converting modulated light to electronic signals, routing with conventional electronic hardware and then re-converting back to light. Yes, O-E-O (Opto-electro-opto) works, but with cost and time-delay penalties. The communications industry has decreed that the double conversion process must go, but what technology will be the replacement? Enter optical MEMS, or MOEMS (micro-opto-electro-mechanical systems). The MOEMS switch/router approach was endorsed by the Internet carrier and hardware industry that paid billions of dollars in 2000 to acquire MEMS companies, some that had not even shipped a product. But what are the issues and are there competing technologies that could win? Micro-mirror technology is at the top of the popularity chart right now. Can MOEMS mirror routers solve cost problems and can they even switch at the rates demanded. What is the ideal mirror switch strategy: binary “off/on” or point-to-light pipe arrays? What about other MEMS approaches such as micro-bubble fluid beam refraction that appears to offer a much simpler construction? Maybe the mechanical devices are only an interim destined to obsolescence by a future solid state optics switch. The optical switch, powered totally by photons, is already in the lab and could be the final answer. This paper will survey MOEMS inside the Internet to seek answers to the billion dollar questions. The focus will be on micro-mirrors and their packaging issues both inside and out. We will deal with selecting the ideal optical MEMS package and choosing the right atmosphere control. Certain in-package contaminants are death to mirrors, but they can be controlled even if generated after the package is sealed. So tune in to find out if MEMS can catch the WAVE!
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Pakhomova, Elizaveta, Olga Rybkina, and Elman Rzaev. "FROM APPOINTMENT TO A "TWO-HEAD" SYSTEM THROUGH ELECTIONS: EVOLUTION OF THE MAYORAL INSTITUTION IN NIZHNY NOVGOROD IN THE 1990S-2000S." In MODERN CITY: POWER, GOVERNMENT, ECONOMY. Digital Transformation State and Municipal Administration. Perm National Research Polytechnic University, 2021. http://dx.doi.org/10.15593/65.049-66/2021.30.
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The article deals with issues related to the appointment and election of mayors of the city in the first two post-Soviet decades. Conclusions are drawn, according to which the effectiveness of the work of mayors and popularity among the population did not depend on how a citizen became the head of the city. It is determined that there are almost always opportunities for effective work as the head of the municipality, but it is also necessary to have a number of other factors, including, of course, the activity of citizens and the deputy corps, exerting pressure on the head of the city. Any order of election/appointment of the mayor has the right to exist.
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Wåsjø, Kasper, Morten Bjerkås, and Tore Søreide. "Steel Jackets and Monotower Foundations for Offshore Wind Turbines." In ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/omae2012-83615.
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Steel jacket support structures for offshore wind have an increasing popularity for water depths larger than 20 m. Traditionally, support structures such as monopiles and gravity based foundation have dominated at shallow water. Offshore wind industry deals gradually with larger water depths, and light weight foundations as steel jackets are believed to give a cost benefit. The present study shows that the quasi static overturning moment for monotower structures and steel jackets are of comparable magnitude. It is also shown that the most important benefit of steel jackets as support structures is to reduce the base shear. At last it is shown that foundation size is primarily driven by wave and current loads at water depth around 50–60 m.
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NA, Kinshuk. "WORKSHOP: Intelligent Learning Systems for Cognitive Skills Development." In 2001 Informing Science Conference. Informing Science Institute, 2001. http://dx.doi.org/10.28945/2433.
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This tutorial deals with the broad class of intelligent learning systems for cognitive skills development. These systems have proved very effective, especially within the applied domains where learning is more concerned with the operational knowledge. These systems can accommodate both the 'instruction' and 'construction' of knowledge and involve active engagement, they have been more successful as demonstrated by the popularity and wide acceptance of simulation based learning systems. This tutorial aims to provide the intelligent systems developer and implementer community with the knowledge that they need in order to make informed assessments and decisions about such systems. It considers in turn five questions that can be asked about any intelligent learning systems for cognitive skills development: 1. What are the various aspects of learning facilitated by such systems? 2. What are the theoretical issues that underlie development of such systems? 3. What functions are served by intelligence and how they are twinned with assessment issues? 4. What pedagogical issues are important in the development of such systems? 5. How one can go about practically developing such systems?
Reports on the topic "Deal popularity"
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Skalli, Hasna. Local 'Job Counters' at Casal del Infants: Personal support to help vulnerable young people into work. Oxfam IBIS, August 2021. http://dx.doi.org/10.21201/2021.7925.
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After graduating from university, Warda struggled a lot. For a few years, she had to take odd jobs for that had no security, days off or health insurance. Eventually she connected with Youth Participation and Employment (YPE) programme partner Casal Del Infants. With their support, she successfully entered the formal labour market. She was selected by Casal to join a jobs programme, where she was trained for one month as a quality control officer. After completing her training, she obtained a placement in maintenance at an automotive company. This was facilitated through Casal’s ‘Activa Counter’, its employment integration desk. This programme supports internships and helps young people to integrate into the private sector. The programme has gained in popularity over the years and has the potential to help many young people into work.
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Panchenko, Liubov F., Andrii O. Khomiak, and Andrey V. Pikilnyak. Using Twitter in Ukrainian sociology majors training. [б. в.], July 2020. http://dx.doi.org/10.31812/123456789/3863.
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The article deals with the problem of using cloud technologies in the training of sociology students in Ukraine. The popularity of Twitter in Ukraine is analyzed. The possibilities of using Twitter as a learning tool in classroom are discussed. List of recommended tweeters, including Ukrainian resources as well as resources related to population censuses is proposed. The article offers examples of student activities for Social Statistics and Demographics courses. The article demonstrates that new forms of student’s activity related to data analysis introduced by academics and practitioners (building art objects and storytelling based on data; shared data collection by citizens through mobile devices, “play with data” modern data visualization services) can be realized with Twitter resources and can help overcome the barriers that arise while studying quantitative methods.