搜索引擎已经是Internet上最重要的应用之一了,可是对于它,不论是使用者还是软件工程师们都没有满足。随着Internet信息量的膨胀式增长,网络使用者从“信息匮乏”变成了“信息过剩”,人们要求搜索引擎不仅“搜出”更多的信息还要搜出“更准”的信息。搜索引擎将向什么方向发展?它的发展遇到了什么问题?本期《软件频道》介绍搜索引擎技术的发展。 Search engine is already one of the most important applications on the Internet, but for it, neither users nor software engineers are satisfied. As the influx of Internet traffic grows, Internet users change from “lack of information” to “excess information.” People are asking search engines to “not only” search for more information but also search for “more accurate” information. What will be the direction of search engine development? Its development has encountered any problems? This issue of “software channel” describes the development of search engine technology.