The paper is a comprehensive review of the current research trends in the area of Arabic
language especially state-of-the-art approaches to highlight the current status of diverse …

Question Answering Systems (QASs) have emerged as a good alternative for information
seekers to retrieve precise information over the Internet. A good amount of research has …

Optical character recognition for the English text may be considered one of the most
important research topics, whether, printed or handwritten. Although excellent results have …

In fact, most of information retrieval systems retrieve documents based on keywords
matching, which are certainly fail at retrieving documents that have similar meaning with …

Pseudo-relevance feedback (PRF) is a very effective query expansion approach, which
reformulates queries by selecting expansion terms from top k pseudo-relevant documents …

Question Answering Systems have emerged as a good alternative to search engines where
they produce the desired information in a very precise way in the real time. However, one …

In the era of information overloading, information retrieval systems are vital applications.
Many researchers try to enhance the search results by introducing new methods. Unlike the …

Abstract Information need has been one of the main motivations for a person using a search
engine. Queries can represent very different information needs. Ironically, a query can be a …

Arabic language is one of the most widely spoken languages. This language has a complex
morphological structure and is considered as one of the most prolific languages in terms of …

Finding a quick and efficient Query Expansion (QE) technique for all languages has become
an urgent necessity because there is no query expansion technique that fully meets user's …