The Persian language is one of the dominant languages in the Middle East, so there are
significant amount of Persian documents available on the Web. Due to the different nature of …

The rapid growth in the number of scholarly documents on the Web and in other digital
platforms makes it challenging for researchers to find research publications most relevant to …

In a web retrieval task, the query is usually short and the users expect to find the relevant
documents in the first several result pages. To address this issue, the possibilities of using …

Persian text is usually associated with a wide range of important or useless features. This is
the main reason why feature extraction process is one of the difficult tasks in the field of …

Conceptual graph is a graph in which nodes are concepts and the edges indicate the
relationship between them. Creation of conceptual graphs is a hot topic in the area of …

With the emergence of vast resources of information, it is necessary to develop methods that
retrieve the most relevant information according to needs. These retrieval methods may …

Extending the internet, need of information management and conceptual information system
has grown. On the other hand high amount of information are presented in various …

The Internet becomes an enormous source of information containing billions of documents.
Users deal with an overwhelming number of alternatives, and continuously make decisions …

Metasearch engines submit the user query to several underlying search engines and then
merge their retrieved results to generate a single list that is more effective to the users' …

As the number of non-English documents is increasing dramatically on the web nowadays,
the study and design of information retrieval systems for these languages is very important …