We present a formal Arabic wordnet built on the basis of a carefully designed ontology
hereby referred to as the Arabic Ontology. The ontology provides a formal representation of …

In this paper, we propose to build a morpho-semantic knowledge graph from Arabic
vocalized corpora. Our work focuses on classical Arabic as it has not been deeply …

Query expansion is the process of adding additional relevant terms to the original queries to
improve the performance of information retrieval systems. However, previous studies …

Question answering system aims at retrieving precise information from a large collection of
documents. This work presents a question answering method to apply on Hadith in order to …

Quran is the most significant religious document in the Arabic language in Islamic law.
Several Quranic search engines have been designed and widely used for the past two …

Abstract Information extraction systems and techniques have been largely used to deal with
the increasing amount of unstructured data available nowadays. Time is among the different …

As part of information retrieval systems (IRS) and in the context of the use of ontologies for
documents and queries indexing, we propose and evaluate in this paper the contribution of …

Research and experimentation using Arabic WordNet in the field of information retrieval are
relatively new. It is limited compared to the research that has been done using Princeton …

Due to very fast growth of information in the last few decades, getting precise information in
real time is becoming increasingly difficult. Search engines such as Google and Yahoo are …

The logic-based machine-understandable framework of the Semantic Web often challenges
naive users when they try to query ontology-based knowledge bases. Existing research …