Arabic

Due to the huge amount of data published on the Web, the Web search process has become more difficult, and it is sometimes hard to get the expected results, especially when the users are less certain about their information needs. Several efforts have been proposed to support exploratory search on the web by using query expansion, faceted search, or supplementary information extracted from external knowledge resources. However, these solutions are not well explored for the general web search in an open-domain setting. In addition, they mostly focus on supporting search in content expressed in English and Latin based languages. In this research, we propose a fully automated approach that aims to support exploratory search over the Arabic web content. It exploits the Arabic version of Wikipedia to extract complementary information that supports visual representation and deeper exploration of the search engine's results. Key Wikipedia entities are extracted from the text snippets produced by the search engine in response to the user's query. Entities are then filtered and ranked by using a novel ranking algorithm that extends the conventional PageRank algorithm. Finally, a graph is built and presented to the user to visually represent highly ranked topics and their relationships. The proposed approach was realized by developing ArabXplore, a system that integrates with the web browser to support the web search process by executing our approach in query time. It was assessed over a dataset of 100 Arabic search queries covering different domains, and results were assessed and rated by human subjects. The underlying ranking algorithm was also compared with the conventional PageRank.

Transition in the Middle East has been one of the most visible characteristics of the Middle East since the end of the Cold War. Having been probably the most penetrated region of the world, the international and the regional orders have always been closely, although mostly asymmetrically related. Thus, the transition in the international arena has been deeply impacting the regional scene, which, along the development from the Cold War through the unipolar moment of the United States to the post-hegemonic/post-US, has resulted in a relatively more independent regional order in the making. The new Middle East is still in transition, with the US having become one among several external actors, old regional powers returning and new ones emerging. But this transition changes not only the actors shaping the new regional order, but also some of the underlying concepts thereof, e. g. that of the regional power.The present paper aims at presenting one of the most ancient regional powers of the Middle East, Egypt, by analysing how the interplay of internal, regional and external developments and the re-identification of the Egyptian state (and society) contributed to its re-emergence as a regional power.