ざつがく・どっと・こむ
ちょっと知的な雑学&トリビア

検索エンジンは弱小サイトにもやさしい

2006年8月09日 【雑学なメモ
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Search engines have become key media for our scientific, economic, and social activities by enabling people to access information on the Web in spite of its size and complexity. On the down side, search engines bias the traffic of users according to their page-ranking strategies, and some have argued that they create a vicious cycle that amplifies the dominance of established and already popular sites. We show that, contrary to these prior claims and our own intuition, the use of search engines actually has an egalitarian effect. We reconcile theoretical arguments with empirical evidence showing that the combination of retrieval by search engines and search behavior by users mitigates the attraction of popular pages, directing more traffic toward less popular sites, even in comparison to what would be expected from users randomly surfing the Web.

人気の高いサイトが上位に表示されることで、富むものがより富む仕組みになっているのでは、という意見もあったけど、どうやらそうではなく、小さなサイトにもアクセスをもたらしていると。

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Brain imaging identifies best memorization strategies, details differing parts of brain used in eachWhile earlier pilot studies had indicated that individuals use a variety of strategies to help them memorize new information, the following four strategies were the main strategies used by participants in this study, according to Kirchhoff, including:
1) A visual inspection strategy in […]

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