%0 Journal Article %T A tagger for teaching purposes %A Paul Bennett %J Themes in Science and Technology Education %D 2010 %I Themes in Science and Technology Education %X This paper describes a software system intended to help students learn about the process oftagging, the assignment of part-of-speech labels, which is basic to computational linguistics. Itdoes this by (a) making it transparent why words have been analysed in a particular way, and(b) making it straightforward to add items to the system¡¯s lexicon and improve itsgrammatical coverage. An unforeseen and welcome side-effect is that users are led to reflecton various properties of English grammar. %U http://earthlab.uoi.gr/theste/index.php/theste/article/view/52/34