In today's era, where the Internet is a huge part of people's life, Information Retrieval (IR) is
as important as ever for people to retrieve relevant information in a quick way. The sentence …

In the last two decades, the amount of available Arabic text data on the World Wide Web is
dramatically growing, making it the fourth most used language on the web. Accordingly, the …

Recently, many social media users expressed their conditions, ideas, emotions using local
languages​​ on social media, for example via tweets or status. Due to the large number of …

Feature extraction has transformed the field of Natural Language Processing (NLP) by
providing an effective way to represent linguistic features. Various techniques are utilised for …

Abstract Arabic Information Retrieval has gained significant attention due to an increasing
usage of Arabic text on the web and social media networks. This paper discusses a new …

In this article, first a comprehensive study of the impact of term weighting schemes on the
topic modeling performance (ie, LDA and DMM) on Arabic long and short texts is presented …

Vaccines might potentially cause side effects as any other drugs, which needs to be
investigated and analyzed to identify the public safety concerns. The massive vaccination …

Several comparatives studies report new findings relevant to the Text Categorization (TC)
task, and all provide valuable observations. However, many of them addressed western …

Arabic is a complex language for text analysis because of its orthographic features, rich
synonyms, and semantic style. Thus, Arabic text must be prepared more carefully in the …

This paper is a part of larger work aiming the construction of a Question/Answering System
with Moroccan legal domain. It concerns mainly the phase of data preparation and question …