This research develops a new approach to query expansion by integrating Association Rules (AR) and Ontology. In the proposed approach, there are several steps expand query, namely (1) document retrieval step; (2) step of using AR; (3) initial step, system retrieved top documents via user's query. Next is processing (stopword removal, POS Tagging, TF-IDF). Then do Frequent Itemset (FI) search fr...
