Following its successful predecessor, this book covers the fundamentals, delivery routes and vehicles, and practical applications of drug delivery. In the 2nd edition, almost all chapters from the previous are retained and updated and several new chapters added to make a more complete resource and reference. • Helps readers understand progress in drug delivery research and applications • Updates and expands coverage to reflect advances in materials for delivery vehicles, drug delivery approaches, and therapeutics • Covers recent developments including transdermal and mucosal delivery, lymphatic system delivery, theranostics • Adds new chapters on nanoparticles, controlled drug release systems, theranostics, protein and peptide drugs, and biologics delivery
This book constitutes the refereed joint proceedings of six internationl workshops held in conjunction with the 23rd International Conference on Conceptual Modeling, ER 2004, in Shanghai, China in November 2004. The 56 revised full papers presented were carefully reviewed and selected from 163 submissions. The papers are organized in topical sections on geographical conceptual modeling; spatial storage, indexing, and data consistency; spatial representation and spatial services; spatial queries and retrieval, Web information integration; Web information mining; conceptual models for Web information; Web information systems and Webservices; systems evolution support in conceptual modeling; temporal and evolution aspects in Internat-based information systems; schema evolution and versioning in data management; conceptual modeling of agents; agents applications; digital government systems; digital government technologies; e-business systems requirements engineering; and e-business processes and infrastructure.
This book provides a comprehensive introduction on opinion analysis for online reviews. It offers the newest research on opinion mining, including theories, algorithms and datasets. A new feature presentation method is highlighted for sentiment classification. Then, a three-phase framework for sentiment classification is proposed, where a set of sentiment classifiers are selected automatically to make predictions. Such predictions are integrated via ensemble learning. Finally, to solve the problem of combination explosion encountered, a greedy algorithm is devised to select the base classifiers.
This book presents comprehensive and rigorous research on the acquisition of Chinese negation by L1-English and L1-Korean learners within the theoretical framework of the Interface Hypothesis and the Feature Reassembly Hypothesis. The results from grammaticality judgment data (N=182) and learner corpus data (overall scale: 15.19 million characters) reveal multiple factors contributing to the variability in L2 acquisition at the interfaces involved with Chinese negative structures, including L1 influence, the quantity (input frequency) and the quality of the target input (input consistency and regularity), as well as L2 proficiency. These factors also underlie the detectability and reassembly of the [±realis] features encoded with bu and mei, the two primary negation markers in Mandarin Chinese, in different licensing contexts. Task modality (written vs. aural) seems to play a role in L2 learners’ access to explicit and implicit knowledge about Chinese negation, but the effect of task modality is constrained by other factors such as structural/feature complexity, L2 proficiency, and L1-L2 similarity. The approach of employing both elicited experimental data and authentic learner corpus data furnishes new evidence for the acquisition Chinese negation by L2 learners. The findings of this study are of significance to the examination of the Interface Hypothesis and the Feature Reassembly Hypothesis in generative-oriented SLA research.
This book and its sister volumes constitute the proceedings of the 2nd International Symposium on Neural Networks (ISNN 2005). ISNN 2005 was held in the beautiful mountain city Chongqing by the upper Yangtze River in southwestern China during May 30–June 1, 2005, as a sequel of ISNN 2004 successfully held in Dalian, China.
This unique compendium provides a novel research on how time influences the conversions of advertising and product recommendation in E-commerce. It proposes time-aware conversion prediction models to solve the problem — what products should be recommended for a given period to maximize conversion? The volume also presents a series of researches on how to build data-driven attribution models to allocate the time-sensitive contribution of advertisements to the conversion. This must-have reference text will be invaluable for researchers, professionals, academics and graduate students keen in databases and artificial intelligence.
China’s breathtaking economic development has been driven by bureaucrats. Even as the country transitioned away from socialist planning toward a market economy, the economic bureaucracy retained a striking degree of influence and control over crafting and implementing policy. Yet bureaucrats are often dismissed as faceless and inconsequential, their role neglected in favor of party leaders’ top-down rule or bottom-up initiatives. Markets with Bureaucratic Characteristics offers a new account of economic policy making in China over the past four decades that reveals how bureaucrats have spurred large-scale transformations from within. Yingyao Wang demonstrates how competition among bureaucrats motivated by careerism has led to the emergence of new policy approaches. Second-tier economic bureaucrats instituted distinctive—and often conflicting—“policy paradigms” aimed at securing their standing and rewriting China’s long-term development plans for their own benefit. Emerging from the middle levels of the bureaucracy, these policy paradigms ultimately reorganized the Chinese economy and reshaped state-market relations. Drawing on fine-grained biographical and interview data, Wang traces how officials coalesced around shared career trajectories, generational experiences, and social networks to create new alliances and rivalries. Shedding new light on the making and trajectory of China’s ambitious economic reforms, this book also provides keen sociological insight into the relations among bureaucracy, states, and markets.
The dynamic mechanism of plate tectonics remains a reasonable theory, but one with shortcomings such as insufficient bases for plate division, unclear plate boundaries, and unclear geological characteristics. This book proposes that the world's continents should not be divided by plates, and that their formation is not due to plate tectonics but rather due to global crustal uplift evolution and sea-land evolution. This proposal is based on the authors' broad theoretical foundation and comprehensive professional knowledge, built up over more than ten years of in-depth research by many scholars on the evolution of the Earth's continents.In this book, many case studies are better explained by global crustal uplift and sea-land evolution. Namely, that the entire continents of the world are indivisible, and the changes of each land block over geological periods resulted from the sea-land changes.The book further develops the original 'geomechanics theory' created by the famous geologist Li Siguang. As a vibrant and highly rigorous work, Prof Li's book offered important theoretical guidance that enriched the global geological community and led to a re-development within geological science. The strong response highlights the significance of geomechanics theory and our theories that build upon it in this book.
To understand a city fully, writes Di Wang, we must observe its most basic units of social life. In The Teahouse under Socialism, Wang does just that, arguing that the teahouses of Chengdu, the capital of Sichuan Province, are some of the most important public spaces—perfect sites for examining the social and economic activities of everyday Chinese. Wang looks at the transformation of these teahouses from private businesses to collective ownership and how state policy and the proprietors’ response to it changed the overall economic and social structure of the city. He uses this transformation to illuminate broader trends in China’s urban public life from 1950 through the end of the Cultural Revolution and into the post-Mao reform era. In doing so, The Teahouse under Socialism charts the fluctuations in fortune of this ancient cultural institution and analyzes how it survived, and even thrived, under bleak conditions. Throughout, Wang asks such questions as: Why and how did state power intervene in the operation of small businesses? How was "socialist entertainment" established in a local society? How did the well-known waves of political contestation and struggle in China change Chengdu’s teahouses and public life? In the end, Wang argues, the answers to such questions enhance our understanding of public life and political culture in the Communist state.
Vacuum circuit breakers are widely used in distribution power systems for their advantages such as maintenance free and eco-friendly. Nowadays, most circuit breakers used at transmission voltage level are SF6 circuit breakers, but the SF6 they emit is one of the six greenhouse gases defined in Kyoto Protocol. Therefore, the development of transmission voltage level vacuum circuit breaker can help the environment. The switching arc phenomena in transmission voltage level vacuum circuit breakers are key issues to explore. This book focuses on the high-current vacuum arcs phenomena at transmission voltage level, especially on the anode spot phenomena, which significantly influence the success or failure of the short circuit current interruption. Then, it addresses the dielectric recovery property in current interruption. Next it explains how to determine the closing/opening displacement curve of transmission voltage level vacuum circuit breakers based on the vacuum arc phenomena. After that, it explains how to determine key design parameters for vacuum interrupters and vacuum circuit breakers at transmission voltage level. At the end, the most challenging issue for vacuum circuit breakers, capacitive switching in vacuum, is addressed. The contents of this book will benefit researchers and engineers in the field of power engineering, especially in the field of power circuit breakers and power switching technology.
This book engages with the critical decline of postmodernism and newer currents of thinking that have come to the fore, including postcolonialism, feminism, and cultural studies, constituting an exploration of the cultural landscape after the heyday of postmodernism in the West and its profound influence on the Chinese cultural scene. Topics discussed include the prevalent theoretical trends and cultural phenomena in the West in the wake of postmodernism, how these developments have influenced contemporary Chinese literary and cultural criticism, and how Chinese scholars can have an equal dialogue with the dominant Western theorists. The chapters examine critical issues and figures in the fields, including postmodernity and globalization, as well as the theories of Edward Said, Gayatri Spivak, Homi Bhabha, and Judith Butler. Taking a comparative and cross-cultural perspective, especially between China and the West, the title also sheds light on the imprint of Western theoretical trends on the literature and culture of contemporary China, exemplified in diasporic writing, cinema, women’s literature, popular culture, and the overall orientation of contemporary Chinese literature. The book will be a critical reference for all levels of reader interested in postmodernism, critical theory, postcolonialism, feminism, cultural studies, comparative and world literature, and contemporary Chinese literature and culture.
The Mongol conquest of north China between 1211 and 1234 inflicted terrible wartime destruction, wiping out more than one-third of the population and dismantling the existing social order. In the Wake of the Mongols recounts the riveting story of how northern Chinese men and women adapted to these trying circumstances and interacted with their alien Mongol conquerors to create a drastically new social order. To construct this story, the book uses a previously unknown source of inscriptions recorded on stone tablets.Jinping Wang explores a north China where Mongol patrons, Daoist priests, Buddhist monks, and sometimes single women—rather than Confucian gentry—exercised power and shaped events, a portrait that upends the conventional view of imperial Chinese society. Setting the stage by portraying the late Jin and closing by tracing the Mongol period’s legacy during the Ming dynasty, she delineates the changing social dynamics over four centuries in the northern province of Shanxi, still a poorly understood region.
Discusses the institutional framework and operation of four co-existing labour allocation patterns: the traditional family-based system, authoritarian state allocation, community-based labour markets, and the emerging national labour market.
Encountering a peerless beauty, and obtaining the inheritance of the ancient Witch Dao. The fate of the company's employees changed greatly! Mysterious Cultivation Technique, Yin-Yang Communication Technique, and Ancient Medical Technique. He would become the supreme expert of his generation; he would save beauties, beat up evildoers, and clean up evil Taoists, gaining the favor of many beauties! From then on, she would have countless encounters with beautiful women, CEO beauties, explosive beauties, unruly young miss, extremely rich and beautiful women, not sparing a single one of them ...
Richard Wang's Ming Erotic Novellas is path breaking in its attention to a virtually ignored body of literature that certainly influenced the writing of the Jin Ping Mei, the Sanyan vernacular stories, and most likely Li Yu's fiction. Compared to other titles in the field, this is the first scholarly monograph in any language to contextualize the erotic novellas of late imperial China. Moreover, existing studies in this area have tended to concentrate on a limited number of works of Chinese erotic fiction, or have only brushed up against these works tangentially during more general discussion of Ming and Qing literature. Ming Erotic Novellas adopts a provocative approach to fiction, moving beyond the traditional textual analyses of gender politics and the qing cult, and examining these erotic novellas as a new genre within the contexts of print culture, readership, consumption patterns, as well as religious dimensions. Ming Erotic Novellas focuses on a group of mid to late Ming literary (wenyan) novellas, which are all stories of erotic romance. These novellas include a profusion of poems mixed with prose narratives that are characterized by "simple" literary Chinese, with a tendency toward the vernacular. Their plots are complex, with some running 20,000 characters or more, allowing for nuanced character development, rich dialogue, and psychological description. Circulated widely during the Ming, the novellas had a significant impact on later erotic and "scholarbeauty" (caizi jiaren) novels. This particular group of novellas was of great importance in the development of Chinese fiction, functioning as a transitional link between the classical tale to the vernacular novel. By approaching these works through the lens of a cultural study, Wang is able to explore the social functions of the novellas as well as their significance in the development of Chinese fiction in the Ming cultural context.
This book marks an exciting contribution to the development and application of Processability Theory. It offers the reader an extensive overview and a critical discussion of the existing research into processability procedural skills, from Germanic to Asian and Arabic languages. It also develops a new perspective on the study of Chinese as a second language (CSL) acquisition, moving from theory to practice. The strength of this book lies not only in its innovative approach to CSL learning, but also in the potential practical applications of the approach to the development of the Chinese teaching syllabus and elicitation tasks. This research presented will benefit both learners and teachers. As a second language learner acquiring Chinese, this book will tell you how to facilitate the learning process in an easy and scientific way. As a teacher of Chinese, this book will help you to know what to teach, and how to teach it, and, importantly, will teach you how to understand learners’ language processing from a practical point of view. The book affords a unique insight into the Chinese processability hierarchy which delineates the universal processing trajectory of CSL learners. The research design and data analysis procedures, which are presented and explained clearly and thoroughly, constitute an original contribution to the growing research into Chinese language acquisition, and will pave the wave for future research in the field. The book will be of considerable interest to linguists working in the field of Processability Theory and will be enjoyed by both CSL learners and their teachers.
How early did the Chinese explore the world? Did the Treasure Fleets, led by Admiral Zheng He, discover many parts of the world before Christopher Columbus? While it is known that Christopher Columbus discovered America and Europe ushered in the Age of Discovery, there is an ongoing debate on the 'unknown' areas depicted in Western maps from the period and earlier. There is agreement among scholars that certain areas seem to have been mapped out prior to the arrival of Western explorers.Chinese Global Exploration in the Pre-Columbian Era: Evidence from an Ancient World Map analyses the world's first modern map — known as Kunyu Wanguo Quantu (KWQ) 《坤輿萬國全圖》 in Chinese, translated as the 'Complete Geographical Map of All Kingdoms of the World' to demonstrate evidence of Chinese global exploration in the Pre-Columbian era. The map of concern was first printed by Italian missionary, Matteo Ricci in 1602, and has been purported to be of entirely European origin, based on Ricci's former maps which he had brought to China in 1582.This book, thus, seeks to be transformational in presenting essential new insights on Pre-Columbian world history and Chinese global exploration, moving away from the norm of the studies of geography and cartography by:
Focusing on the poetry and cultural practice of Frank O’Hara, the great urban poet of the New York School during the 1950s and 1960s, this books explores the interwoven relationship between his urban poetics and the urban culture of New York, seeking to shed light on poetic concept and its cultural relevance. The poetry of Frank O’Hara is deeply rooted in and nourished by his urban experience as a metropolitan and an active participant in the vibrant cultural scene of New York. Therefore, an investigation into the interactive dynamics between his poetry and the urban culture he helped shape serves as a starting point for further study on the literary representation of European and American urban culture. Across eight chapters, the authors look into the genesis, theoretical constitution, the interface with culture and aesthetics of O’Hara’s urban poetics and also their philosophical foundations, literary ethics, special expression and representation as well as his reception of modernity and postmodernity. The title will appeal to scholars, students and general readers interested in American literature, poetry and urban culture, especially Frank O’Hara and the New York School.
Recycling of Power Lithium-Ion Batteries Explore the past, present, and future of power lithium-ion battery recycling, from the governing regulatory framework to predictions of the future of the industry In Recycling of Power Lithium-Ion Batteries: Technology, Equipment, and Policies, a team of distinguished researchers and engineers delivers an authoritative and illuminating exploration of the industrial status and development trends in the global power lithium-ion battery sector. The book examines the development of advanced battery materials and new recycling technologies, as well as typical case studies in enterprise battery recycling. The authors provide a roadmap to the development of spent power battery recycling enterprises that can provide support to the sustainable development industry. Recycling of Power Lithium-Ion Batteries discusses a wide variety of topics with immediate applications to modern industry, including new application scenarios for power lithium-ion batteries, as well as an examination of the laws, regulations, and standards governing battery recycling. Readers will also find: A thorough introduction to the status and development of the lithium-ion battery and its key materials Fulsome discussions of battery recycling technologies and equipment, including pre-treatment technology for battery recycling Comprehensive explorations of the life cycle of power lithium-ion batteries and the impact of battery recycling Expansive treatments of the technology outlook in the lithium-ion battery space, including green battery design and recovery systems Perfect for materials scientists, environmental chemists, and power technology engineers, Recycling of Power Lithium-Ion Batteries: Technology, Equipment, and Policies will also earn a place in the libraries of chemical and process engineers, electrochemists, and professionals working at waste disposal sites.
Chinese opera embraces over 360 different styles of theatre that make one of the richest performance arts in the world. It combines music, speech, poetry, mime, acrobatics, stage fighting, vivid face-painting and exquisite costumes. First experiences of Chinese opera can be baffling because its vocabulary of stagecraft is familiar only to the seasoned aficionado. Chinese Opera: The Actor’s Craft makes the experience more accessible for everyone. This book uses breath-taking images of Chinese opera in performance by Hong Kong photographer Siu Wang-Ngai to illustrate and explain Chinese opera stage technique. The book explores costumes, gestures, mime, acrobatics, props and stage techniques. Each explanation is accompanied by an example of its use in an opera and is illustrated by in-performance photographs. Chinese Opera: The Actor’s Craft provides the reader with a basic grammar for understanding uniquely Chinese solutions to staging drama.
China's most important love comedy, Wang Shifu's Xixiangji, or The Story of the Western Wing, is a rollicking play that chronicles the adventures of the star-crossed lovers Oriole and Student Zhang. Since its appearance in the thirteenth century, it has enjoyed unparalleled popularity. The play has given rise to innumerable sequels, parodies, and rewritings; it has influenced countless later plays, short stories, and novels and has played a crucial role in the development of drama criticism. This translation of the full and complete text of the earliest extant version is available in paperback for the first time. The editors' introduction will inform students of Chinese cultural and literary traditions. This title is part of UC Press's Voices Revived program, which commemorates University of California Press's mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1991. China's most important love comedy, Wang Shifu's Xixiangji, or The Story of the Western Wing, is a rollicking play that chronicles the adventures of the star-crossed lovers Oriole and Student Zhang. Since its appearance in the thirteenth cen
Jumping Through Hoops is a collection of nine intense and dramatic stories that sheds new light on the experiences of Chinese women during the Second World War. Originally published in Chinese in 1945, as part of Xie Bingying's classic anthology Nu zuojia zizhuan xuanji (Selected autobiographical writings by women writers), the extraordinary narratives reveal the writers' personal struggles during the years of turmoil between the Republican and Communist eras. Whether the contributors are internationally acclaimed or just rediscovered, most of these narratives are seldom found in other collections, either in Chinese or in translation.
Professor Xihua Cao (1920-2005) was a leading scholar at East China Normal University (ECNU) and a famous algebraist in China. His contribution to the Chinese academic circle is particularly the formation of a world-renowned 'ECNU School' in algebra, covering research areas include algebraic groups, quantum groups, algebraic geometry, Lie algebra, algebraic number theory, representation theory and other hot fields. In January 2020, in order to commemorate Professor Xihua Cao's centenary birthday, East China Normal University held a three-day academic conference. Scholars at home and abroad gave dedications or delivered lectures in the conference. This volume originates from the memorial conference, collecting the dedications of scholars, reminiscences of family members, and 16 academic articles written based on the lectures in the conference, covering a wide range of research hot topics in algebra. The book shows not only scholars' respect and memory for Professor Xihua Cao, but also the research achievements of Chinese scholars at home and abroad.
This book constitutes the thoroughly refereed post-proceedings of the annual International Conference on Computational Intelligence and Security, CIS 2006, held in Guangzhou, China in November 2006. The 116 revised papers presented were carefully reviewed and selected from a total of 2078 initial submissions during two rounds of revision and improvement. The papers are organized in topical sections on bio-inspired computing, evolutionary computation, learning systems and multi-agents, cryptography, information processing and intrusion detection, systems and security, image and signal processing, as well as pattern recognition.
Fundamentals of Membrane Separation Technology provides a comprehensive and systematic introduction to this environmentally friendly separation process. Using a structured format that promotes comprehension and implementation each chapter provides overviews, principles, materials and preparation, and industrial applications. Each chapter then concludes with future prospects, references, and end of chapter exercises. Written for students and professionals, this book is an ideal reference for those who wish to better understand the fundamentals and applications of membrane technology. - Evaluates present and future applications of more recently developed membranes in energy conversion, biomedical components, controlled release devices, and environmental engineering - Provides a comprehensive overview of all aspects of membranes and their applications - Includes numerous industrial case studies, practical examples, and questions
In 1910 Herman Weyl published one of the most widely quoted papers of the 20th century in Analysis, which initiated the study of singular Sturm-Liouville problems. The work on the foundations of Quantum Mechanics in the 1920s and 1930s, including the proof of the spectral theorem for unbounded self-adjoint operators in Hilbert space by von Neumann and Stone, provided some of the motivation for the study of differential operators in Hilbert space with particular emphasis on self-adjoint operators and their spectrum. Since then the topic developed in several directions and many results and applications have been obtained. In this monograph the authors summarize some of these directions discussing self-adjoint, symmetric, and dissipative operators in Hilbert and Symplectic Geometry spaces. Part I of the book covers the theory of differential and quasi-differential expressions and equations, existence and uniqueness of solutions, continuous and differentiable dependence on initial data, adjoint expressions, the Lagrange Identity, minimal and maximal operators, etc. In Part II characterizations of the symmetric, self-adjoint, and dissipative boundary conditions are established. In particular, the authors prove the long standing Deficiency Index Conjecture. In Part III the symmetric and self-adjoint characterizations are extended to two-interval problems. These problems have solutions which have jump discontinuities in the interior of the underlying interval. These jumps may be infinite at singular interior points. Part IV is devoted to the construction of the regular Green's function. The construction presented differs from the usual one as found, for example, in the classical book by Coddington and Levinson.
This book ambitiously presents the current directions and goals of the Chinese idea of modernization in education. Searching for a neutral way to understand educational reform and policy-making in the midst of many different theories in the field, the authors combine the theories of ecology, regional studies, and educational philosophy to focus on the hot topics relating to the current problems in Chinese education. In addition to the theory of education, it offers an interdisciplinary approach to educational policy and administration, including perspectives from history, evaluation and (big) data processing, modernization, planning-making, curriculum and teaching, element analysis etc. within or beyond the limits of education. This book is a valuable resource for policy-makers and administrators as well as teachers and students majoring in education or related fields. It is also beneficial to those interested in interdisciplinary approaches to educational theory studies and regional studies in education, and practitioners in schools and higher education institutes as well as anyone wanting insights into Chinese education from the perspective of regional studies.
This book assesses the global significance of China’s decade-long campaign to reduce poverty. After showing how the country’s unique approach to poverty alleviation brought about unparalleled progress toward achieving both the Millennium Development Goals (MDGs) and the Sustainable Development Goals (SDGs), the authors shed light on how China’s experience can help other countries around the globe as they try to permanently rid humanity of the scourge of poverty under ever more challenging social, economic and environmental conditions.
Jia Zhangke is praised as “the most internationally prominent and celebrated figure of the Six-Generation of Chinese filmmakers”. This book provides an examination the content and forms of Jia’s featured films and analyzes their merits and faults. Jia’s films often narrate the lives of ordinary Chinese people against the backdrop of the political-economic changes. The author conducts an in-depth analysis of how this change have ferociously impinged upon the characters’ living conditions since China integrated itself with the world economy in the high tide of accelerated globalization since the 1970s. The author focuses on discussing the “politics of dignity” expressed by Jia’s allegorical renditions to explore the director’s political unconsciousness and cultural-political notions. This book maps ten of Jia Zhangke’s films onto three major themes: Jia’s filmmaking and China in the market society; truth claims and political unconscious; “post-socialist modernity” in the age of globalization. This book will be of interest to students and scholars of Chinese film studies, as well as other disciplines, such as political science, sociology, anthropology, etc.
After toppling the Ming dynasty, the Qing conquerors forced Han Chinese males to adopt Manchu hairstyle and clothing. Yet China’s new rulers tolerated the use of traditional Chinese attire in performances, making theater one of the only areas of life where Han garments could still be seen and where Manchu rule could be contested. Staging Personhood uncovers a hidden history of the Ming–Qing transition by exploring what it meant for the clothing of a deposed dynasty to survive onstage. Reading dramatic works against Qing sartorial regulations, Guojun Wang offers an interdisciplinary lens on the entanglements between Chinese drama and nascent Manchu rule in seventeenth-century China. He reveals not just how political and ethnic conflicts shaped theatrical costuming but also the ways costuming enabled different modes of identity negotiation during the dynastic transition. In case studies of theatrical texts and performances, Wang considers clothing and costumes as indices of changing ethnic and gender identities. He contends that theatrical costuming provided a productive way to reconnect bodies, clothes, and identities disrupted by political turmoil. Through careful attention to a variety of canonical and lesser-known plays, visual and performance records, and historical documents, Staging Personhood provides a pathbreaking perspective on the cultural dynamics of early Qing China.
The book lies at the interface of mathematics, social media analysis, and data science. Its authors aim to introduce a new dynamic modeling approach to the use of partial differential equations for describing information diffusion over online social networks. The eigenvalues and eigenvectors of the Laplacian matrix for the underlying social network are used to find communities (clusters) of online users. Once these clusters are embedded in a Euclidean space, the mathematical models, which are reaction-diffusion equations, are developed based on intuitive social distances between clusters within the Euclidean space. The models are validated with data from major social media such as Twitter. In addition, mathematical analysis of these models is applied, revealing insights into information flow on social media. Two applications with geocoded Twitter data are included in the book: one describing the social movement in Twitter during the Egyptian revolution in 2011 and another predicting influenza prevalence. The new approach advocates a paradigm shift for modeling information diffusion in online social networks and lays the theoretical groundwork for many spatio-temporal modeling problems in the big-data era.
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