摘要： 5.2Tagged Corpora 标注语料库 Representing Tagged Tokens 表示标注的语言符号 By convention in NLTK, a tagged token is represented using a tuple consisting of the token and the tag. We can create one of these special tuples from the standard string representation of a tagged token, using the function str2tuple(): .. 阅读全文

摘要： 下载与安装Python中使用MySQL需要安装MySQLdb驱动，可以从官方站点下载：http://sourceforge.net/projects/mysql-python/ 目前支持最高Python版本号2.6，MySQL版本号5.1，详细描述如下： MySQL support for Python. MySQL versions 3.23-5.1;and Python versions 2.3-2.6 are supported. MySQLdb is the Python DB API-2.0 interface. _mysql is a low-level API similia.. 阅读全文