为了处理这些和其他的问题，SQLServer 2008把全文检索移到数据库中。
To address these and other issues, SQL Server 2008 moved Full Text Search into the database.
“词的不匹配”是全文信息检索中存在的一个基本问题。
A fundamental problem for Information Retrieval (IR) is the "word mismatch".
但由于古籍全文数据库检索系统只能依照检索词匹配来进行检索，并不能解决抽取和聚集相关史实的问题。
However, the full-text retrieval system can't extract and cluster the correlated historical material required. Because the system can only retrieve material through retrieval words matching.
文章就开发全文数据库涉及的全文检索软件、自动化标引、机读数据格式标准等技术支持问题进行了讨论。
Technical supporting problems were discussed including full indexing software, technique of automatic sign and standard of computer reading data form.
但与通用全文搜索引擎类似，全文检索的垂直搜索引擎存在着查全率较低、网络资源消耗过多等问题。
Conforming to the universal full-text search engine, it is also confronted with the problem of low-recall ratio and high dissipation of web resource.
但与通用全文搜索引擎类似，全文检索的垂直搜索引擎存在着查全率较低、网络资源消耗过多等问题。
Conforming to the universal full-text search engine, it is also confronted with the problem of low-recall ratio and high dissipation of web resource.
应用推荐