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本文来源:曼朗 发布时间:2015-06-17 分享:
网络整合营销公司认为目前,较好的搜索引擎都是既支持目录式分类结构,又支持全文检索,同时区分搜索结果的相关性。但由于搜索引擎尤其是中文搜索引擎缺乏统一的协调和合作,查询方式和服务较为单一,逻辑检索有限,分类范畴的搜索引擎过多,易造成漏检,而对于关键词提问的申请,多为盲目匹配,筛选较费时,索引数据库的更新不及时,结果显示简单等。
网络搜索引擎营销公司认为搜索引擎的历史虽然不长,但发展趋势必将从综合性向专业化发展,从单一性向多元化方向发展,以英文为主多语言方向发展。没有哪两个搜索引擎是完全相同的,每一种都有自己的检索特色,都有自己的索引,以不同的方式在网上搜寻网址。出现不同的检索结果丝毫不足为奇,应从不同的搜索引擎的检索结果中综合出更为符合要求的答案。
网络整合营销公司认为大部分搜索引擎都为用户提供了各种各样的检索命令和菜单以帮助用户提高他们的检索命中率,下面的搜索命令一般的搜索引擎都支持他们,只不过具体每一种搜索引擎所使用的检索命令多少有些不同,或默认选项不同,或有些检索命令前后有空格,以上由上海网络营销公司曼朗小编整理提供。
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