scholarly journals Workload-Aware Views Materialization for Big Open Linked Data

Author(s):  
Tomasz J. Zlamaniec ◽  
Kuo-Ming Chao ◽  
Nick Godwin

It is a trend for the public organizations to digitalize and publish their large dataset as open linked data to the public users for queries and other applications for further utilizations. Different users’ queries with various frequencies over time create different workload patterns to the servers which cannot guarantee the QoS during peak usages. Materialization is a well-known effective method to reduce peaks, but it is not used by semantic webs, due to frequently evolving schema. This research is able to estimate workloads based on previous queries, analyze and normalize their structures to materialize views, and map the queries to the views with populated data. By analyzing how access patterns of individual views contribute to the overall system workload, the proposed model aims at selection of candidates offering the highest reduction of the peak workload. Consequently, rather than optimizing all queries equally, a system using the new selection method can offer higher query throughput when it is the most needed, allowing for a higher number of concurrent users without compromising QoS during the peak usage. Finally, two case studies were used to evaluate the proposed method.

Author(s):  
Yochai Benkler ◽  
Robert Faris ◽  
Hal Roberts

This chapter presents a model of the interaction of media outlets, politicians, and the public with an emphasis on the tension between truth-seeking and narratives that confirm partisan identities. This model is used to describe the emergence and mechanics of an insular media ecosystem and how two fundamentally different media ecosystems can coexist. In one, false narratives that reinforce partisan identity not only flourish, but crowd-out true narratives even when these are presented by leading insiders. In the other, false narratives are tested, confronted, and contained by diverse outlets and actors operating in a truth-oriented norms dynamic. Two case studies are analyzed: the first focuses on false reporting on a selection of television networks; the second looks at parallel but politically divergent false rumors—an allegation that Donald Trump raped a 13-yearold and allegations tying Hillary Clinton to pedophilia—and tracks the amplification and resistance these stories faced.


2008 ◽  
Vol 74 (1) ◽  
pp. 65-77 ◽  
Author(s):  
Claude Rochet ◽  
Olivier Keramidas ◽  
Lugdivine Bout

According to the common vision, the public sector is strongly change-resistant. Is this justified? In this research, we adopt the Northian distinction between institutions and organizations by focusing on the latter and their capability for change. We try to identify the strategically most effective lever to operate an organizational change in the public sector. We first review the literature on change strategies and their setting in the context of public organizations. Then, we synthesize the conclusions of four case studies around a question: `Is building public organizations capable of co-evolution with their environment feasible?' We will present some strategies of evolution for public organizations, in response to a state of crisis, constituting a vector of organizational change. We conclude on the interest of considering crisis as a vector of organizational change in public organizations. Points for practitioners The public sector is commonly said to be change-resistant. Through case studies we prove this opinion to be false and that change aptitudes are identical to other organizations. We emphasize crises that provide particular opportunities that allow us to offset the absence of performance evaluation and the lack of feedback from the market, and we underline possible change strategies.


Collections ◽  
2020 ◽  
Vol 16 (2) ◽  
pp. 139-161
Author(s):  
Anna Venturini

This study investigates how authenticity is perceived and negotiated by curators at a selection of Scottish historic house museums (HHMs). Many HHMs are preserved so as to recreate the dwellings of remarkable historical personalities, thus showcasing a unique blend of period artifacts, replicas, and original objects once in the possession of their inhabitants. Focusing on three different case studies, this research investigates how these authentic museum objects are displayed to and interpreted for the public; how relevant their authenticity is from a curatorial perspective; what are the factors influencing curatorial perceptions of authenticity; and how (or, if) HHMs help visitors negotiating the inauthenticity of replicas and period objects displayed onsite. While most studies have examined constructions of authenticity at tourism sites and in terms of their impact on consumers’ behavior, this work aims to shed light on how museum professionals conceive of authenticity within the under-researched context of HHMs, by discussing the outcomes of interviews with curators at the Robert Burns Birthplace Museum and Cottage (Alloway), Broughton House (Kirkcudbright), and Ellisland Farm (Auldgirth).


2014 ◽  
Vol 1030-1032 ◽  
pp. 2292-2295
Author(s):  
Yong Liang Zhou ◽  
Jian Ming Lu ◽  
Shuai Xu ◽  
Jin Xin Cao

Site selection is one of the most important issues of the construction of a rational and efficient public bike system. In connection with the limitations of traditional methods of site selection, this thesis puts forward a site selection method based on GIS. The application of GIS technology provides site selection with a new idea and method, makes up for the shortcomings of traditional research methods and lets decision-making about site selection possess scientific and intuitive image, data and information.


2018 ◽  
Vol 1 (2) ◽  
pp. 212-232
Author(s):  
Sam Abede Pareno ◽  
M Rif’an Arif

ABSTRACT Religious traditions in Indonesia are known to be very moderate and tolerant abroad is a reflection of the character of a great noble nation. Between religion, tradition and culture are able to perform compounds so as to create a genuine religious harmony. Because of this reality Indonesia is regarded as the largest Muslim majority country in the world that almost without conflict, in the midst of reality Muslim countries in the Middle East that impressed the dispute into the daily menu. However, the reality of Indonesia as a moderate nation is injured by the act of a group that is fond of terrorism and radicalism by riding Islamic religious teachings. Thus, this reversed religion is assumed as a source of cruelty.   It is through that phenomenon researcher, feel the need to examine the strategy of disseminating moderate Islam by Nahdlatul Ulama. The selection of this Islamic organization according to the authors due to its success in moderating Islam in Indonesia. In this study, the study using a qualitative approach or method as well as adopting the theory of Van Dijk discourse analysis as a scalpel to peel the discourse of moderate Islam published by PWNU East Java through the website. As for this research, the findings are important, among others are: 1) moderate Islamic discourse campaigned by Nahdlatul Ulama East Java is categorized into three segments, namely social, religious and nationality. 2) the text structure that builds moderate Islamic discourse NU East Java in Van Dijk perspective constructed in three domains, namely text, social cognition and social context. 3) the principles of Public Relationship implemented by NU through cyber (online media), among others; News publications and expert opinions, production of image and video-based information, and updating official NU information to the public about their attitudes and views on the phenomena that occur by promoting the values of Islamic moderatism. Key Word : Islamic Moderatism, Nahdlatul Ulama, Cyber Public Relationship


Author(s):  
Matthew Hindman

The Internet was supposed to fragment audiences and make media monopolies impossible. Instead, behemoths like Google and Facebook now dominate the time we spend online—and grab all the profits from the attention economy. This book explains how this happened. It sheds light on the stunning rise of the digital giants and the online struggles of nearly everyone else—and reveals what small players can do to survive in a game that is rigged against them. The book shows how seemingly tiny advantages in attracting users can snowball over time. The Internet has not reduced the cost of reaching audiences—it has merely shifted who pays and how. Challenging some of the most enduring myths of digital life, the book explains why the Internet is not the postindustrial technology that has been sold to the public, how it has become mathematically impossible for grad students in a garage to beat Google, and why net neutrality alone is no guarantee of an open Internet. It also explains why the challenges for local digital news outlets and other small players are worse than they appear and demonstrates what it really takes to grow a digital audience and stay alive in today's online economy. The book shows why, even on the Internet, there is still no such thing as a free audience.


2020 ◽  
Vol 6 (1) ◽  
Author(s):  
Priyo Katon Prasetyo ◽  
Rosye Villanova Christine ◽  
Sudibyanung Sudibyanung

Abstract: Based on Law Number 2 of 2012 concerning Land Acquisition for Development in the Public Interest, the Openness Principle is one of the ten principles as the basis of the implementation of development. This principle is significant because its complex role can lead to conflicts and disputes. In this paper, discussions are divided into two parts: 1) how the implementation is expected to be applied according to the acquisition procedure in theory; and 2) the reality that occurs in the field. The first discussion was conducted by reviewing the applicable regulations and the methods or concepts of development of the openness principle. Meanwhile, the second discussion about the reality on the field was conducted by elaborating case studies regarding problems in land acquisition. The results of this study indicate that there are gaps in the implementation of the openness principle between theory and reality in regards of land scarcity, economic inequality, and information asymmetry among the involved parties. In conclusion, the implementation of the openness principle is significant with the role of information in land acquisition.Intisari: Berdasarkan Undang Undang Nomor 2 Tahun 2012 tentang Pengadaan Tanah Bagi Pembangunan Untuk Kepentingan Umum, Asas Keterbukaan adalah salah satu dari sepuluh asas yang menjadi dasar pelaksanaannya. Asas ini menjadi signifikan karena perannya yang kompleks dapat menimbulkan konflik dan sengketa. Artikel ini akan membagi pembahasan menjadi dua bagian: pertama, bagaimana implementasi yang seharusnya diterapkan pada prosedur pengadaan secara harapan, dan kedua, membahas mengenai realita yang terjadi di lapangan. Secara harapan pembahasan dilakukan dengan melakukan library research atau studi terhadap peraturan yang berlaku dan metode-metode atau prinsip perkembangan dari asas keterbukaan. Realitas di lapangan akan dielaborasi dari studi kasus mengenai permasalahan dalam pengadaan tanah. Hasil dari penelitian ini menunjukkan ada gap dalam implementasi asas keterbukaan antara harapan dan realitas di lapangan yang bersumber dari kelangkaan sumber daya/tanah, ketimpangan ekonomi dan asimetri informasi di antara para pihak yang terlibat. Tulisan ini menyimpulkan bahwa implementasi asas keterbukaan signifikan dengan peran informasi dalam pengadaan tanah. 


Author(s):  
E.V. Troshina

In modern conditions of market relations and a labour market the great value as the public status of the worker varies, character of its relations to work and conditions of sale of a labour is given to selection and hiring of shots especially.


2020 ◽  
Vol 15 ◽  
Author(s):  
Shulin Zhao ◽  
Ying Ju ◽  
Xiucai Ye ◽  
Jun Zhang ◽  
Shuguang Han

Background: Bioluminescence is a unique and significant phenomenon in nature. Bioluminescence is important for the lifecycle of some organisms and is valuable in biomedical research, including for gene expression analysis and bioluminescence imaging technology.In recent years, researchers have identified a number of methods for predicting bioluminescent proteins (BLPs), which have increased in accuracy, but could be further improved. Method: In this paper, we propose a new bioluminescent proteins prediction method based on a voting algorithm. We used four methods of feature extraction based on the amino acid sequence. We extracted 314 dimensional features in total from amino acid composition, physicochemical properties and k-spacer amino acid pair composition. In order to obtain the highest MCC value to establish the optimal prediction model, then used a voting algorithm to build the model.To create the best performing model, we discuss the selection of base classifiers and vote counting rules. Results: Our proposed model achieved 93.4% accuracy, 93.4% sensitivity and 91.7% specificity in the test set, which was better than any other method. We also improved a previous prediction of bioluminescent proteins in three lineages using our model building method, resulting in greatly improved accuracy.


Author(s):  
William W. Franko ◽  
Christopher Witko

The authors conclude the book by recapping their arguments and empirical results, and discussing the possibilities for the “new economic populism” to promote egalitarian economic outcomes in the face of continuing gridlock and the dominance of Washington, DC’s policymaking institutions by business and the wealthy, and a conservative Republican Party. Many states are actually addressing inequality now, and these policies are working. Admittedly, many states also continue to embrace the policies that have contributed to growing inequality, such as tax cuts for the wealthy or attempting to weaken labor unions. But as the public grows more concerned about inequality, the authors argue, policies that help to address these income disparities will become more popular, and policies that exacerbate inequality will become less so. Over time, if history is a guide, more egalitarian policies will spread across the states, and ultimately to the federal government.


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