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Scalability Challenges in Web Search Engines
B. Barla CambazogluRicardo Baeza-Yates
出版Springer Nature, 2022-06-01
主題Computers / Online ServicesComputers / Internet / GeneralComputers / Networking / GeneralComputers / Information Technology
ISBN303102298X9783031022982
URLhttp://books.google.com.hk/books?id=F4pyEAAAQBAJ&hl=&source=gbs_api
EBookSAMPLE
註釋In this book, we aim to provide a fairly comprehensive overview of the scalability and efficiency challenges in large-scale web search engines. More specifically, we cover the issues involved in the design of three separate systems that are commonly available in every web-scale search engine: web crawling, indexing, and query processing systems. We present the performance challenges encountered in these systems and review a wide range of design alternatives employed as solution to these challenges, specifically focusing on algorithmic and architectural optimizations. We discuss the available optimizations at different computational granularities, ranging from a single computer node to a collection of data centers. We provide some hints to both the practitioners and theoreticians involved in the field about the way large-scale web search engines operate and the adopted design choices. Moreover, we survey the efficiency literature, providing pointers to a large number of relatively important research papers. Finally, we discuss some open research problems in the context of search engine efficiency.