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Irregular Shaped Voltage Islands (ISVI) can achieve much better power savings in multiple supply voltage (MSV) technology. This paper proposes a simulated annealing (SA) based floorplanning method with ISVI generation using a Hazard and Heal strategy. In each perturbation of SA, a randomly chosen block is removed from floorplan and then inserted back to a proper position, to join certain voltage island...
With the Internet developing, the quantity of comments accumulates rapidly, and sentiment analysis becomes a hot research task. A key preparation for sentiment analysis is to extract comment targets. In this paper an unsupervised method is proposed to judging the degree of their importance. We separate the method into two parts. One part uses explicit phrases' cooccurrence, calculating conditional...
Since 2007, the business calculation model-cloud computing was proposed. Promoted greatly by great companies, cloud computing is developing at a very rapid pace. With the features of mass data storage and distribution calculation of cloud computing, it provides a new method for data mining, effectively solving the problems of distribution of mass data mining and efficient storage computing. The cloud...
A mutual exclusion mechanism that is both fair and space efficient can be highly valuable for shared memory systems under time and memory constraints such as embedded real-time systems. Several algorithms that utilize only one shared variable and guarantee a certain level of fairness have been proposed. However, these use hypothetical read-modify-write operations that have never been implemented in...
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