A word form refers to one form that a word can take, e.g. the word go can take these word forms go, went, gone, goes, going. Searching for the word form going will not find any other forms of the word. It is case sensitive. apple and Apple are two different word forms.
Adam Kilgarriff Prize
Adam Kilgariff (1960-2015) was a British corpus linguist and founder of Lexical Computing, the company behind Sketch Engine. Adam devoted his whole life to research at the intersection of corpus linguistic, computational linguistics and lexicography.
To honour our brilliant and much-loved colleague, we established the Adam Kilgarriff Prize for outstanding work in the fields to which Adam contributed so much: corpus linguistics, computational linguistics, and lexicography.