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His research interests include knowledge management. Web analysis and mining, artificial intelligence, business intelligence applications, and human-computer interaction. He is author of more than 120 articles covering medical informatics, homeland security, semantic retrieval, search algorithms, knowledge management, and Web computing in leading(More)
A major challenge facing all law-enforcement and intelligence-gathering organizations is accurately and efficiently analyzing the growing volumes of crime data. Detecting cybercrime can likewise be difficult because busy network traffic and frequent online transactions generate large amounts of data, only a small portion of which relates to illegal(More)
Research shows that recommendations comprise a valuable service for users of a digital library [11]. While most existing recommender systems rely either on a content-based approach or a collaborative approach to make recommendations, there is potential to improve recommendation quality by using a combination of both approaches (a hybrid approach). In this(More)
While the Web has become a worldwide platform for communication, terrorists share their ideology and communicate with members on the " Dark Web " —the reverse side of the Web used by terrorists. Currently, the problems of information overload and difficulty to obtain a comprehensive picture of terrorist activities hinder effective and efficient analysis of(More)
Dendrobium officinale is an herbal medicine that has been clinically used to promote body fluid production. Previous works demonstrated that D. officinale polysaccharides could ameliorate symptoms of salivary secretion of patients with Sjögren's syndrome and in a respective mice model. In the present study, we investigated the underlying mechanism by which(More)
Introduction As the Internet grows in popularity worldwide, more users want to access Web content in their native languages. A report published in September 2002 shows that the majority of the total global online population (63.5%) lives in non-English-speaking areas (Global–Reach, 2002). Moreover , that population was estimated to grow from 403.5 million(More)
Nowadays, information overload hinders the discovery of business intelligence on the World Wide Web. Existing business intelligence tools suffer from a lack of analysis and visualization capabilities and traditional result list display by search engines often overwhelms business analysts with irrelevant information. Thus, developing tools that enable better(More)
Ever since the 9-11 incident, the multidisciplinary field of terrorism has experienced tremendous growth. As the domain has benefited greatly from recent advances in information technologies, more complex and challenging new issues have emerged from numerous counter-terrorism-related research communities as well as governments of all levels. In this paper,(More)