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''A Pattern Language: Towns, Buildings, Construction'' is a 1977 book on architecture, urban design, and community livability. It was authored by Christopher Alexander, Sara Ishikawa and Murray Silverstein of the Center for Environmental Structure of Berkeley, California, with writing credits also to Max Jacobson, Ingrid Fiksdahl-King and Shlomo Angel. Decades after its publication, it is still one of the best-selling books on architecture.〔review: (Towards a New Science of Architecture, and a New Architecture of Science, KATARXIS No 3, London UK, September 2004 )〕 The book creates a new language, what the authors call a pattern language derived from timeless entities called patterns. As they write on page xxxv of the introduction, "All 253 patterns together form a language." Patterns describe a problem and then offer a solution. In doing so the authors intend to give ordinary people, not only professionals, a way to work with their neighbors to improve a town or neighborhood, design a house for themselves or work with colleagues to design an office, workshop or public building such as a school. It includes 253 patterns such as ''Community of 7000'' (Pattern 12) given a treatment over several pages; page 71 states: "Individuals have no effective voice in any community of more than 5,000–10,000 persons." It is written as a set of problems and documented solutions. This is a form that a theoretical mathematician or computer scientist might call a generative grammar. Written in the 1970s at the University of California, Berkeley, ''A Pattern Language'' was influenced by the then-emerging language to describe computer programming and design. "A pattern language has the structure of a network", the authors write on page xviii. Thus, each pattern may have a statement that is referenced to another pattern by placing that pattern's number in brackets, for example:(12) means go to the ''Community of 7,000'' pattern. In this way it is structured as a hypertext ''avant la lettre'' (before a (specified) name or entity existed). According to Alexander & team, the work originated from an observation that The book uses words to describe patterns, supported by drawings, photographs and charts. It describes exact methods for constructing practical, safe, and attractive designs at every scale, from entire regions, through cities, neighborhoods, gardens, buildings, rooms, built-in furniture, and fixtures down to the level of doorknobs. The patterns are regarded by the authors not as infallible, but as hypotheses: Some patterns focus on materials, noting that some ancient systems, such as concrete, when adapted by modern technology, may become one of the best future materials: Other patterns focus on life experiences such as the Street Cafe (Pattern 88): When these patterns are taken together, the authors say, they begin to form a kind of language, each pattern forming a word or thought of a true language rather than being a prescriptive way to design or solve a problem. As the authors write on p xiii, "Each solution is stated in such a way that it gives the essential field of relationships needed to solve the problem, but in a very general and abstract way—so that you can solve the problem for yourself, in your own way, by adapting it to your preferences, and the local conditions at the place where you are making it." A notable value is that the architectural system consists only of timeless patterns tested in the real world and reviewed by multiple architects for beauty and practicality. The patterns include provision for future modification and repair, in keeping with the principle that the most satisfying living spaces are those which, like the lives of their occupants, tend to change and evolve over time. The book values human rights such as freedom, and it shows how architecture can enhance or reduce an individual's sense of freedom This book's method was adopted by the University of Oregon, as described in ''The Oregon Experiment'', and remains the official planning instrument. It has also been adopted in part by some cities as a building code. The idea of a pattern language appears to apply to many complex engineering tasks, and has been applied to some of them. It has been especially influential in software engineering where design patterns have been used to document collective knowledge in the field.〔Berna L. Massingill, Timothy G. Mattson, and Beverly A. Sanders (2000), A Pattern Language for Parallel Application Programs, Euro-Par 2000 Parallel Processing, Lecture Notes in Computer Science, Springer Berlin / Heidelberg, ISBN 978-3-540-67956-1, pages 678–681, 2000〕〔(Our Pattern Language ) An on-going collaborative effort to construct a pattern language for parallel programming〕 The eight books in the ''Center for Environmental Structure Series'' are:〔(Oxford University Press page for the series )〕 * ''The Timeless Way of Building'' (volume 1) * ''A Pattern Language: Towns, Buildings, Construction'' (volume 2) * ''The Oregon Experiment'' (volume 3) * ''The Production of Houses'' (volume 4) * ''The Linz Café'' (volume 5) * ''A New Theory of Urban Design'' (volume 6) * ''A Foreshadowing of 21st Century Art'' (volume 7) * ''The Mary Rose Museum'' (volume 8) == References == 〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「A Pattern Language」の詳細全文を読む スポンサード リンク
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