سایت CEB:ترجمه تخصصی رشته کامپیوتر - معرفی و دانلود کتب انگلیسی رشته کامپیوتر

امتیاز کاربران

ستاره غیر فعالستاره غیر فعالستاره غیر فعالستاره غیر فعالستاره غیر فعال
 

انتشارات: Cambridge University Press

اثر: Christopher D. Manning & Prabhakar Raghavan & Hinrich Schutze

تعداد صفحه: 578

حجم: 4.9MB

جلد کتاب

توضیحات کتاب (خلاصه پیشگفتار):

As recently as the 1990s, studies showed that most people preferred getting information from other people rather than from information retrieval systems. However, during the last decade, relentless optimization of information retrieval effectiveness has driven web search engines to new quality levels where most people are satisfied most of the time, and web search has become a standard and often preferred source of information finding. By the late 1990s, many people felt that continuing to index the whole Web would rapidly become impossible, due to the Web’s exponential growth in size. But major scientific innovations, superb engineering, the rapidly declining price of computer hardware, and the rise of a commercial underpinning for web search have all conspired to power today’s major search engines, which are able to provide high-quality results within subsecond response times for hundreds of millions of searches a day over billions of web pages.

In response to various challenges of providing information access, the field of information retrieval evolved to give principled approaches to searching various forms of content. The field began with scientific publications and library records, but soon spread to other forms of content, particularly those of information professionals, such as journalists, lawyers, and doctors. Much of the scientific research on information retrieval has occurred in these contexts, and much of the continued practice of information retrieval deals with providing access to unstructured information in various corporate and governmental domains, and this work forms much of the foundation of our book.

This book presents the scientific underpinnings of this field, at a level accessible to graduate students as well as advanced undergraduates. Introductory courses in data structures and algorithms, in linear algebra and in probability theory suffice as prerequisites for all 21 chapters.

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