Keyword Suggestion for Search Engine Markting

This document contains research in the field of Search Engine Marketing, to be specific it is focused on finding, implementing and evaluating a technique that can be used for keyword suggestion. Based on a set of words describing the subject, a algorithm finds and ranks keyword suggestions that can be used to advertise with. The main goal is to find keywords that are non-obvious, which means that these words do not have a lot of advertiser competition ensuring that their price is low. Using a lot of these cheap keywords enables an advertiser to achieve the same or even better results as compared to using very popular and thus expensive keywords, a principle defined as the long-tail of search engine marketing. To evaluate the implementation assessors are used to asses the suggestions and to asses suggestions offered by a system of Google, the results are compared.