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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: Gloria Skurzynski
Publisher:
ISBN: 9780689842641
Category : Cloning
Languages : en
Pages : 0
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Book Description
Book 2.
Author: Nathan Crowe
Publisher: University of Pittsburgh Press
ISBN: 0822987686
Category : Science
Languages : en
Pages : 297
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Book Description
Long before scientists at the Roslin Institute in Scotland cloned Dolly the sheep in 1996, American embryologist and aspiring cancer researcher Robert Briggs successfully developed the technique of nuclear transplantation using frogs in 1952. Although the history of cloning is often associated with contemporary ethical controversies, Forgotten Clones revisits the influential work of scientists like Briggs, Thomas King, and Marie DiBerardino, before the possibility of human cloning and its ethical implications first registered as a concern in public consciousness, and when many thought the very idea of cloning was experimentally impossible. By focusing instead on new laboratory techniques and practices and their place in Anglo-American science and society in the mid-twentieth century, Nathan Crowe demonstrates how embryos constructed in the lab were only later reconstructed as ethical problems in the 1960s and 1970s with the emergence of what was then referred to as the Biological Revolution. His book illuminates the importance of the early history of cloning for the biosciences and their institutional, disciplinary, and intellectual contexts, as well as providing new insights into the changing cultural perceptions of the biological sciences after Second World War.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309076374
Category : Science
Languages : en
Pages : 295
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Book Description
Human reproductive cloning is an assisted reproductive technology that would be carried out with the goal of creating a newborn genetically identical to another human being. It is currently the subject of much debate around the world, involving a variety of ethical, religious, societal, scientific, and medical issues. Scientific and Medical Aspects of Human Reproductive Cloning considers the scientific and medical sides of this issue, plus ethical issues that pertain to human-subjects research. Based on experience with reproductive cloning in animals, the report concludes that human reproductive cloning would be dangerous for the woman, fetus, and newborn, and is likely to fail. The study panel did not address the issue of whether human reproductive cloning, even if it were found to be medically safe, would beâ€"or would not beâ€"acceptable to individuals or society.
Author: Gloria Skurzynski
Publisher: Simon and Schuster
ISBN: 1439116083
Category : Young Adult Fiction
Languages : en
Pages : 178
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Book Description
Imagine a life of virtual reality -- a childhood contained in a controlled environment, with no human contact or experiences outside of the world of computer-generated images. Corgan has been genetically engineered by the Federation for quick reflexes, high intelligence, and physical superiority. Everything Corgan is, everything he has ever seen or done, was to prepare him for one moment: a bloodless, computer-controlled virtual war. When Corgan meets his two fellow warriors, he begins to question the Federation. Now Corgan must decide where his loyalties lie, what he's willing to fight for, and exactly what he wants in return. His decisions will affect not only these three virtual warriors, but all the people left on earth.
Author: Martha Craven Nussbaum
Publisher: W. W. Norton & Company
ISBN: 9780393046489
Category : Cloning
Languages : en
Pages : 360
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Book Description
Distinguished scholars and writers from a broad range of disciplines address a troubling and fascinating issue.
Author: Jose Cibelli
Publisher: Academic Press
ISBN: 0123865425
Category : Science
Languages : en
Pages : 585
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Book Description
Principles of Cloning, Second Edition is the fully revised edition of the authoritative book on the science of cloning. The book presents the basic biological mechanisms of how cloning works and progresses to discuss current and potential applications in basic biology, agriculture, biotechnology, and medicine. Beginning with the history and theory behind cloning, the book goes on to examine methods of micromanipulation, nuclear transfer, genetic modification, and pregnancy and neonatal care of cloned animals. The cloning of various species—including mice, sheep, cattle, and non-mammals—is considered as well. The Editors have been involved in a number of breakthroughs using cloning technique, including the first demonstration that cloning works in differentiated cells done by the Recipient of the 2012 Nobel Prize for Physiology or Medicine – Dr John Gurdon; the cloning of the first mammal from a somatic cell – Drs Keith Campbell and Ian Wilmut; the demonstration that cloning can reset the biological clock - Drs Michael West and Robert Lanza; the demonstration that a terminally differentiated cell can give rise to a whole new individual – Dr Rudolf Jaenisch and the cloning of the first transgenic bovine from a differentiated cell – Dr Jose Cibelli. The majority of the contributing authors are the principal investigators on each of the animal species cloned to date and are expertly qualified to present the state-of-the-art information in their respective areas. - First and most comprehensive book on animal cloning, 100% revised - Describes an in-depth analysis of current limitations of the technology and research areas to explore - Offers cloning applications on basic biology, agriculture, biotechnology, and medicine
Author: Mark Cotta Vaz
Publisher: Del Rey
ISBN:
Category : Art
Languages : en
Pages : 234
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Book Description
Visual tour of the sequel to Star Wars episode 1 : the phantom menace.
Author: John Whitman
Publisher: Skylark
ISBN: 9780553486414
Category : Cloning
Languages : en
Pages : 0
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Book Description
Tash Arranda can't believe her eyes. Here, in an abandoned Rebel base on the remote planet Dantooine, she has just seen her parents. Her dead parents. Is she losing her mind? Then Tash spies the one being in the galaxy she least wants to see--Darth Vader. It seems the Empire has tracked them down at last. But what Tash doesn't know is that this is only the beginning of a terrifying journey into an evil world, where she'll be forced to fight her own brother and uncle...to the death!
Author: Kerry Lynn Macintosh
Publisher: Cambridge University Press
ISBN: 9780521853286
Category : Law
Languages : en
Pages : 286
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Book Description
Many people think human reproductive cloning should be a crime-some states have even outlawed it and Congress is working to enact a national ban. However, if reproductive cloning soon becomes a reality, it will be impossible to prevent infertile couples and others from choosing the technology, even if they have to break the law. While most books on cloning cover the advantages and disadvantages of cloning technology, Illegal Beings describes the pros and cons of laws against human reproductive cloning. Kerry Lynn Macintosh, an attorney with expertise in the area of law and technology, argues that the most common objections to cloning are false or exaggerated, inspiring laws that stigmatize human clones as subhuman and unworthy of existence. She applies the same reasoning that was used to invalidate racial segregation to show how anti-cloning laws, by reinforcing negative stereotypes, deprive human clones of their equal protection rights under the law. Her book creates a new topic within constitutional law: existential segregation, or the practice of discriminating by preventing the existence of a disfavored group or class. This comprehensive and novel work looks at how anti-cloning laws will hurt human clones in a fresh perspective on this controversial subject. Kerry Lynn Macintosh is a member of the Law and Technology faculty at Santa Clara University School of Law. She is the author of papers, articles, and book chapters on the law and technology and has contributed to the Harvard Journal of Law and Technology, Boston University Journal of Science and Technology Law, and Berkeley Technology Law Journal.
Author: Golden Books
Publisher: Golden Books
ISBN: 0736435468
Category : Juvenile Fiction
Languages : en
Pages : 0
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Book Description
The epic space saga, Star Wars: Attack of the Clones, is finally retold in the iconic Little Golden Book format! Padawan Anakin Skywalker must choose between his Jedi duty and love, while Obi-Wan Kenobi uncovers a sinister plot that may lead to war. Featuring stunning retro illustrations, this book is perfect for Star Wars—and Little Golden Book—fans of all ages!
