信息检索是指将信息按一定的方式组织、存储起来，并针对用户的需要查找出所需信息的过程。
Information retrieval is the process of building up and storing information according to certain ways, and finding the information that users need.
一旦你掌握了它，你将发现每次你只要花一半的时间就能找出你所需要的信息。
Once you learn them, you will find what you seek in half the time, every time.
狭义的信息检索则仅指该过程的后半部分，即从信息集合中找出所需要的信息的过程。
Information retrieval is confined to narrow the latter part of the process, from the collection of information to identify the information needed to process.
应用推荐