Abstract Web search engines are the primary means by which millions of users access information everyday and the sheer scale and success of the leading search engines is a testimony to the scientific and engineering progress that has been made over the last ten years. However, mainstream search engines continue to deliver largely one-size-fits-all services to their user-base, ultimately limiting the relevance of their result-lists. In this chapter we will explore recent research that is seeking to make Web search a more personal and collaborative experience as we look towards a new breed of more social search engines.
18.1 Introduction
Web search engines are among the most important and wide-spread information tools in use today. Every month the leading search engines recommend search results to billions of users and, in the process, generate billions of dollars in advertising revenue annually. In all of this Google stands tall as the clear market leader and one would be forgiven for assuming that all of the major web search challenges have by now been addressed, and that all that remains is the need for some minor algorithmic refinements. The reality is very different however, and while Google may have won the current round of search battles, the web search war is far from over. Recent research has highlighted how even the leading search engines suffer from low success rates when it comes to delivering relevant results to the average searcher. For example, in one study [24] of more than 20,000 search queries researchers found that, on average, Google delivered at least one result worth selecting only 48% of the time; in other words, in 52% of cases, searchers chose to select none of the results returned. In large part this problem is as much due to the searcher as it is the search
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เครื่องมือค้นหาเว็บนามธรรมจะหมายถึงหลักที่ล้านของผู้ใช้เข้าถึงข้อมูลทุกวันและขนาดแท้จริง และพยานหลักฐานความก้าวหน้าทางวิทยาศาสตร์ และวิศวกรรมที่ได้สิบปีความสำเร็จของเครื่องมือค้นหาชั้นนำ อย่างไรก็ตาม เครื่องมือค้นหาสำคัญต่อส่งบริการ one-size-fits-all ส่วนใหญ่ของผู้ใช้ฐาน จำกัดความสำคัญของรายการผลลัพธ์ของพวกเขาในที่สุด ในบทนี้ เราจะศึกษาวิจัยล่าสุดที่กำลังทำเว็บค้นหาประสบการณ์ส่วนบุคคล และร่วมกันมากขึ้นเมื่อเรามองดูไปทางสายพันธุ์ใหม่ของเครื่องมือค้นหาทางสังคมมากขึ้น18.1 แนะนำWeb search engines are among the most important and wide-spread information tools in use today. Every month the leading search engines recommend search results to billions of users and, in the process, generate billions of dollars in advertising revenue annually. In all of this Google stands tall as the clear market leader and one would be forgiven for assuming that all of the major web search challenges have by now been addressed, and that all that remains is the need for some minor algorithmic refinements. The reality is very different however, and while Google may have won the current round of search battles, the web search war is far from over. Recent research has highlighted how even the leading search engines suffer from low success rates when it comes to delivering relevant results to the average searcher. For example, in one study [24] of more than 20,000 search queries researchers found that, on average, Google delivered at least one result worth selecting only 48% of the time; in other words, in 52% of cases, searchers chose to select none of the results returned. In large part this problem is as much due to the searcher as it is the search
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