Samir H Moussa

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We present a detailed description and analysis of the Signal Media One-Million Articles dataset. We have released this dataset to facilitate research on emerging news-related information retrieval (IR) challenges. In particular, we have observed over the past decade emerging novel paradigms for publishing and consuming news, where users can get updated on(More)
Staphylococcus aureus readily develops resistance to antibiotics and achieving effective therapies to overcome resistance requires in-depth understanding of S. aureus biology. High throughput, parallel-sequencing methods for analyzing transposon mutant libraries have the potential to revolutionize studies of S. aureus, but the genetic tools to take(More)
Long-tail entities represent unique challenges for state-ofthe-art entity linking systems since they are under-represented in general knowledge bases. This paper studies long-tail entities in news corpora. We conduct experiments on a large news collection of one million articles, where we devise an approach for measuring the volume of such entities in news(More)
Multidrug-resistant (MDR) bacterial infections are a serious threat to public health. Among the most alarming resistance trends is the rapid rise in the number and diversity of β-lactamases, enzymes that inactivate β-lactams, a class of antibiotics that has been a therapeutic mainstay for decades. Although several new β-lactamase inhibitors have been(More)
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