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Author: Nils Göde
Publisher: Logos Verlag Berlin GmbH
ISBN: 3832529209
Category : Computers
Languages : en
Pages : 236
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Book Description
Duplicated passages of source code - code clones - are a common property of software systems. While clones are beneficial in some situations, their presence causes various problems for software maintenance. Most of these problems are strongly related to change and include, for example, the need to propagate changes across duplicated code fragments and the risk of inconsistent changes to clones that are meant to evolve identically. Hence, we need a sophisticated analysis of clone evolution to better understand, assess, and manage duplication in practice. This thesis introduces Clone Evolution Graphs as a technique to model clone relations and their evolution within the history of a system. We present our incremental algorithm for efficient and automated extraction of Clone Evolution Graphs from a system's history. The approach is shown to scale even for large systems with long histories making it applicable to retroactive analysis ofclone evolution as well as live tracking of clones during software maintenance.We have used Clone Evolution Graphs in several studies to analyze versatile aspects of clone evolution in open-source as well as industrial systems. Our results show that the characteristics of clone evolution are quite different between systems, highlighting the need for a sophisticated technique like Clone Evolution Graphs to track clones and analyze their evolution on a per-system basis. We have also shown that Clone Evolution Graphs are well-suited to analyze the change behavior of individual clones and can be used to identify problematic clones within a system. In general, the results of our studies provide new insights into how clones evolve, how they are changed, and how they are removed.
Author: Nils Göde
Publisher: Logos Verlag Berlin GmbH
ISBN: 3832529209
Category : Computers
Languages : en
Pages : 236
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Book Description
Duplicated passages of source code - code clones - are a common property of software systems. While clones are beneficial in some situations, their presence causes various problems for software maintenance. Most of these problems are strongly related to change and include, for example, the need to propagate changes across duplicated code fragments and the risk of inconsistent changes to clones that are meant to evolve identically. Hence, we need a sophisticated analysis of clone evolution to better understand, assess, and manage duplication in practice. This thesis introduces Clone Evolution Graphs as a technique to model clone relations and their evolution within the history of a system. We present our incremental algorithm for efficient and automated extraction of Clone Evolution Graphs from a system's history. The approach is shown to scale even for large systems with long histories making it applicable to retroactive analysis ofclone evolution as well as live tracking of clones during software maintenance.We have used Clone Evolution Graphs in several studies to analyze versatile aspects of clone evolution in open-source as well as industrial systems. Our results show that the characteristics of clone evolution are quite different between systems, highlighting the need for a sophisticated technique like Clone Evolution Graphs to track clones and analyze their evolution on a per-system basis. We have also shown that Clone Evolution Graphs are well-suited to analyze the change behavior of individual clones and can be used to identify problematic clones within a system. In general, the results of our studies provide new insights into how clones evolve, how they are changed, and how they are removed.
Author: Frederick W. Alt
Publisher: Elsevier
ISBN: 9780080459318
Category : Medical
Languages : en
Pages : 360
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Book Description
Advances in Immunology, a long established and highly respected series, presents current developments as well as comprehensive reviews in immunology. Articles address the wide range of topics that comprise immunology, including molecular and cellular activation mechanisms, phylogeny and molecular evolution, and clinical modalities. Edited and authored by the foremost scientists in the field, each volume provides up-to-date information and directions for future research. * NOW AVAILABLE ONLINE! * Highly respected review series with an impact factor in 2003 of of 7.424 and ranked number 8/114 * Contains a 'hot' paper on "New Systems of Variablity and Diversity" by Gary Litman
Author: Katsuro Inoue
Publisher: Springer Nature
ISBN: 9811619271
Category : Computers
Languages : en
Pages : 237
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Book Description
This is the first book organized around code clone analysis. To cover the broad studies of code clone analysis, this book selects past research results that are important to the progress of the field and updates them with new results and future directions. The first chapter provides an introduction for readers who are inexperienced in the foundation of code clone analysis, defines clones and related terms, and discusses the classification of clones. The chapters that follow are categorized into three main parts to present 1) major tools for code clone analysis, 2) fundamental topics such as evaluation benchmarks, clone visualization, code clone searches, and code similarities, and 3) applications to actual problems. Each chapter includes a valuable reference list that will help readers to achieve a comprehensive understanding of this diverse field and to catch up with the latest research results. Code clone analysis relies heavily on computer science theories such as pattern matching algorithms, computer language, and software metrics. Consequently, code clone analysis can be applied to a variety of real-world tasks in software development and maintenance such as bug finding and program refactoring. This book will also be useful in designing an effective curriculum that combines theory and application of code clone analysis in university software engineering courses.
Author: Anthony J.F. Griffiths
Publisher: Macmillan
ISBN: 9780716768876
Category : Science
Languages : en
Pages : 872
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Book Description
Provides an introduction to genetic analysis. This book covers contemporary genetics, and helps students understand the essentials of genetics, featuring various experiments, teaching them how to analyze data, and how to draw their own conclusions
Author:
Publisher: Bib. Orton IICA / CATIE
ISBN:
Category :
Languages : en
Pages : 132
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Book Description
Author: Steven L. Kent
Publisher: Penguin
ISBN: 0425264491
Category : Fiction
Languages : en
Pages : 386
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Book Description
Earth, A.D. 2519. The clone soldiers of the Enlisted Man’s Empire, formerly members of the Unified Authority’s powerful military, maintain a tenuous grasp on the power they fought so hard to gain. But the U.A. will not be so easy to suppress as they had hoped… A provocateur attacks the Pentagon. Gunships converge on the penitentiary where Unified Authority war criminals are held. And a clone assassin murders Admiral Don Cutter, commander in chief of the Enlisted Man's Empire... It all happens at once—and five minutes later, more assassins attack Wayson Harris as he prepares for a summit with delegates of Olympus Kri. With Harris missing and their most deadly enemies on the loose, the remaining officers of the Empire must uncover a plot to overthrow their government while preparing for war...
Author: Larry J. Bettiga
Publisher: UCANR Publications
ISBN: 9781879906631
Category : Technology & Engineering
Languages : en
Pages : 196
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Book Description
This beautifully illustrated book is a must-have for growers, vintners, and enthusiasts. Inside you'll find information on ripening periods for 53 varieties grown in California, ripening dates of varieties by period and growing district, and detailed illustrations of grapevine structure. Most valuable of all is the discussion of the 36 major wine grape varieties grown in the state. Every variety receives an overview of synonyms, source, physical characteristics, harvest periods and methods, and winery use. Each variety is highlighted by close-up photography of its clusters, leaves, and leaf shoots.
Author: Steven L. Kent
Publisher: Penguin
ISBN: 144062481X
Category : Fiction
Languages : en
Pages : 404
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Book Description
Lt. Wayson Harris is one of thousands of clones born and bred to be the ultimate soldiers. But unlike the others, Harris is an outlawed model—one with independent thoughts and an addiction to violence. Presumed dead after his troops were massacred, Harris—who blames the U.A. for the slaughter—has gone AWOL as a bounty hunter. Still, it’s hard for a clone to overcome his conditioning, and Harris finds himself drawn back into the U.A.'s service by his mentor and creator, Fleet Admiral Bryce Klyber. Now, with separatists rebelling throughout the galaxy, the fate of the U.A. depends on Admiral Klyber’s plans for the Doctrinaire—the largest, most powerful battleship ever constructed. But there are those who would do anything to stop Klyber, and Harris must decide whether he should fight against them…or work for them.
Author: Donald A. Perala
Publisher:
ISBN:
Category : Aspen
Languages : en
Pages : 8
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Book Description
Author: Jorge Cervantes
Publisher: Van Patten Publishing
ISBN: 9781878823298
Category : Gardening
Languages : en
Pages : 436
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Book Description
