Humans are accustomed to autonomously associating prior knowledge with the text in a query when answering questions. However, machines lacking cognition and common sense, is merely combination of some words. Although we can enrich semantic information given through language representation or expansion (QE), contained still insufficient. In this paper, propose an effective passage retrieval meth...

People share resources in folksonomies and add tags to these resources. There are often only a few tags associated with each resource, which makes the data available in folksonomies extremely sparse. Spareness in folksonomies makes searching resources difficult. Many relevant resources against a query might not be retrieved if they are not associated with the queried terms. One possible way to ...

Information retrieval (IR) aims to obtain relevant information according a certain user need and involves great diversity of data such as texts, images, or videos. Query expansion techniques, part (IR), are used more items, particularly documents, that the requirements. The initial query is reformulated, adding meaningful terms with similar significance. In this study, supervised technique base...