Xem 1-20 trên 56 kết quả Strategy pattern
  • When you’re faced with a problem to solve (and frankly, who isn’t these days?), the basic strategy usually taken by we computer people is called “divide and conquer.” It goes like this:Reducing complex problems down to the level of twiddling the states of a few billion bits is what we do all day. But “divide and conquer” is not the only possible strategy. We can also take a more generalist approach:

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  • History of the Present Illness: Duration of chest pain. Location, radiation (to arm, jaw, back), character (squeezing, sharp, dull), intensity, rate of onset (gradual or sudden); relationship of pain to activity (at rest, during sleep, during exercise); relief by nitroglycerine; increase in frequency or severity of baseline anginal pattern. Improvement or worsening of pain. Past episodes of chest pain. Age of onset of angina.

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  • If you’re ever writing code and get the funny feeling that you’ve solved the problem you’re working on before, you probably have. You may well have come across the same type of situation in the past, puzzled about it, and come up with the solution. And before that, you may have faced the same type of situation and come up with the same type of solution. And even before that . . . same thing.

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  • Tham khảo sách 'defense and detection strategies against internet worms', tài liệu phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Information Extraction (IE) is a fundamental technology for NLP. Previous methods for IE were relying on co-occurrence relations, soft patterns and properties of the target (for example, syntactic role), which result in problems of handling paraphrasing and alignment of instances. Our system ARE (Anchor and Relation) is based on the dependency relation model and tackles these problems by unifying entities according to their dependency relations, which we found to provide more invariant relations between entities in many cases. ...

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  • Recent work in Question Answering has focused on web-based systems that extract answers using simple lexicosyntactic patterns. We present an alternative strategy in which patterns are used to extract highly precise relational information offline, creating a data repository that is used to efficiently answer questions. We evaluate our strategy on a challenging subset of questions, i.e. “Who is …” questions, against a state of the art web-based Question Answering system.

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  • We describe refinements to hierarchical translation search procedures intended to reduce both search errors and memory usage through modifications to hypothesis expansion in cube pruning and reductions in the size of the rule sets used in translation. Rules are put into syntactic classes based on the number of non-terminals and the pattern, and various filtering strategies are then applied to assess the impact on translation speed and quality. Results are reported on the 2008 NIST Arabic-toEnglish evaluation task. ...

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  • After my discussion of use cases, data modeling, and class-based models in Chapter 6, it’s reasonable to ask, “Aren’t those requirements modeling representations enough?” The only reasonable answer is, “That depends.” For some types of software, the use case may be the only requirements modeling representation that is required. For others, an object-oriented approach is chosen and class-based models may be developed. Chapter 7 provides knowledge of requirements modeling: Flow, behavior, patterns, and webapps.

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  • Based on our collective J2EE platform experience, we have assembled the pattern catalog in this book. The J2EE Pattern Catalog describes various best practices related to architecting and designing applications for the J2EE platform. This book focuses on the following four J2EE technologies: Servlets, JSP, EJB components, and JMS

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  • Chapter 3 Working with a 5 wave pattern. Returning to Elliott's original work, one of his most important statements is, "A cyclical pattern or measurement of mass psychology is 5, waves upward and 3 waves downward, totalling 8 waves

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  • Though postcolonialism has emerged as one of the most significant theoretical movements in literary and cultural studies, scant attention has been paid to the importance of trade and trade relations to debates about culture. Focusing on the past two centuries, this volume investigates the links among trade, colonialism, and forms of representation, posing the question, 'What is the historical or modern relationship between economic inequality and imperial patterns of representation and reading?

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  • Results of an American study support the theory of a rather strong genetic influence on risk of prostate cancer. The study compared patterns of prostate cancer among black and white men (Chu et al., 2003). Black Americans had substantially higher prostate cancer rates than white Americans, but the longitudinal trends such as decreasing mortality, increasing incidence and survival were similar. Although this was not a typical migrant study, it compared different ethnic and thus genetic and lifestyle factors in a known risk pattern environment....

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  • Two cell lines were created; Flp293A and 293 FLEX, both derived from 293 cells. The former pseudotyped with amphotropic and the latter with GaLV envelopes. Recently, a PG13-based murine producer cell line was also established using this strategy (Loew et al. 2009). A favorable chromosomal site for stable and high retroviral vector production is first identified and tagged.

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  • Greenplum’s SG Streaming™ technology ensures parallelism by “scattering” data from all source systems across hundreds or thousands of parallel streams that simultaneously flow to all Greenplum Database nodes (Figure 11). Performance scales with the number of Greenplum Database nodes, and the technology supports both large batch and continuous near-real-time loading patterns with negligible impact on concurrent database operations.

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  • The proportion of children reported to attend religious services weekly or monthly shows a different pattern of variation across states. The proportion is highest – upwards of 85 percent – in Southern states like Mississippi, Louisiana, Alabama, and South Carolina. The proportion is lowest in the New England states of Vermont, New Hampshire and Maine, with less than or just over half of young people attending services regularly. North Central states like the Dakotas and Nebraska, Iowa and Minnesota, come out relatively high in both family stability and religious observance.

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  • At early stages of development, corporate bond markets are not generally an alternative to the banking system. The general pattern observed in advanced economies has been for banking to emerge at a much earlier stage of development than bond markets. In the United States, where the corporate bond market is most developed, bond market financing overtook borrowing from domestic banks long ago. In western Europe it has been much slower to develop.

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  • Realizing the significant potential for achieving environmental results through enhanced resource efficiencies, EPA authorized a study of Corporate Environmental Management and Compliance. This study was designed to analyze company’s business strategies and environmental management approaches, and assess the presence of needs and strategy patterns similar to those witnessed in previous reinvention efforts. Early in this project “Lean Manufacturing” was identified as a primary manufacturing strategy often utilized by today’s competitive industries.

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  • In [2], the problem of discovering sequential patterns over large databases of customer transactions is considered. The proposed algorithms generate a data sequence for each customer from the database and search on this set of se- quences for a frequent sequential pattern. For example, the algorithms can discover that customers typically rent “Star Wars,” then “Empire Strikes Back,” and then “Return of the Jedi.

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  • First errors of learning are usually gigantic. Then, and gradually, they diminish as one benefits of his/her errors. In a later stage of learning foreign or second language, learners are expected to reach a native speaker’s competence or, at least, near that competence where errors are either eliminated or minimized to the extent that their impact on the learners' communication disappears, or they go unnoticed. But, unfortunately, the case with most of second language learners’ errors is not so.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Changing patterns in diagnostic strategies and the treatment of blunt injury to solid abdominal organs

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