For instance , the Alembic workbench ( Aberdeen et al. 1995 ) contains a sentence-splitting module that employs over 100 regular-expression rules written in Flex .
mitre description of the alembic system used for muc6”
John S Aberdeen John D Burger David S Day Lynette Hirschman Patricia Robinson Marc Vilain
To put together a few rules is fast and easy , but to develop a rule-based system with good performance is quite a labor-consuming enterprise . For instance , the Alembic workbench ( Aberdeen et al. 1995 ) contains a sentence-splitting module that employs over 100 regular-expression rules written in Flex . Another well-acknowledged shortcoming of rule-based systems is that such systems are usually closely tailored to a particular corpus or sublanguage and are not easily portable across domains .
For instance , the Alembic workbench ( @@CITATION ) contains a sentence-splitting module that employs over 100 regular-expression rules written in Flex .