Dongjin Choi

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Classifying web documents is considered as one of the most important tasks to reveal the terrorismrelated documents. Internet provides a lot of valuable information to the users and the amount of web contents is progressively increasing. This makes it very difficult to identify potentially dangerous documents. Simply extracting keywords from documents is(More)
Heat shock RNA 1 (HSR1) is described as a "eukaryotic heat-sensing noncoding RNA" that regulates heat shock response in human and other eukaryotic cells. Highly conserved HSR1 sequences have been identified from humans, hamsters, Drosophila, Caenorhabditis elegans, and Arabidopsis. In a previous study, however, it was suggested that HSR1 had originated from(More)
BACKGROUND Colovaginal fistula is a rare condition associated with significant morbidity. The literature characterizing colovaginal fistula repair is sparse. We present our institution's experience treating colovaginal fistulas. METHODS A retrospective review of all patients surgically treated for colovaginal fistula between 2005 and 2015 was performed.(More)
A distributed denial of service attacks are the most serious factor among network security risks in cloud computing environment. This study proposes a method of integration between HTTP GET flooding among DDOS attacks and MapReduce processing for a fast attack detection in cloud computing environment. This method is possible to ensure the availability of(More)
This paper contains a method to construct context data which can help an application grasp user intention in pervasive computing environment (PCE). There are various devices in which a user is interested for the user intention (intended behavior such as entering, reading and sleeping). And the core of PCE is to provide appropriate services adapted for(More)
Real-time systems have to complete the execution of a task within the predetermined time while ensuring that the execution results are logically correct. Such systems require scheduling methods that can adequately distribute the given tasks to a processor. Scheduling methods that all tasks can be executed within a predetermined deadline are called an(More)
Plant pathogenic RNA viruses are present in a variety of plant-based foods. When ingested by humans, these viruses can survive the passage through the digestive tract, and are frequently detected in human feces. Kimchi is a traditional fermented Korean food made from cabbage or vegetables, with a variety of other plant-based ingredients, including ground(More)