Persian (Farsi) is one of the languages of Middle East. There are significant amount of
Persian documents available in digital form and even more are created every day …

A series of experiments has been conducted on the Farsi language in the University of
Tehran during past three years. The goal of these experiments was to establish the …

In this paper, we present the results of an experimental comparison of various aggregation
operators used in a fuzzy information retrieval model we have recently proposed. The …

Information retrieval used to mean looking through thousands of strings of texts to find words
or symbols that matched a user's query. Today, there are many models that help index and …

With the emergence of web as one of the primary mode of information sharing and
searching, it is a challenge posed to the researchers and developers to design the …

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 …

We have already proposed a fuzzy document retrieval system using a keyword connection
matrix to represent similarities between keywords. By using the keyword connection matrix …

The field of computer science has gathered more weight since the advent of the internet, not
only to the computer scientist and engineers but also to professionals of all categories. This …

Efficient query expansion (QE) terms selection methods are really very important for
improving the accuracy and efficiency of the system by removing the irrelevant and …

A new comprehensive model of information retrieval (IR) based on Zadeh's calculus of
linguistic statements is proposed. Its characteristic and novel feature is the capability to take …