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With advances in computing techniques, a large amount of highresolution high-quality multimedia data (video and audio, etc.) has been collected in research laboratories in various scientific disciplines, particularly in social and behavioral studies. How to automatically and effectively discover new knowledge from rich multimedia data poses a compelling(More)
OBJECTIVE To investigate the correlation between human immunodeficiency virus (HIV) and the sexual behaviors of men who have sex with men (MSM) in Guangzhou in 2010. METHODS Anti-HIV antibody was detected in the volunteers undergoing HIV tests in the year 2010, and the differences in the sexual role, education, use of condom and complicated infection of(More)
Cuckoo search (CS), inspired by the obligate brood parasitic behavior of some cuckoo species, iteratively uses Lévy flights random walk (LFRW) and biased/selective random walk (BSRW) to search for new solutions. In this study, we seek a simple strategy to set the scaling factor in LFRW, which can vary the scaling factor to achieve better performance.(More)
Simulated annealing (SA) algorithm is a popular intelligent optimisation algorithm, but its efficiency is unsatisfactory. To improve its efficiency, this paper presents a swarm SA (SSA) algorithm by exploiting the learned knowledge from searching history. In SSA, a swarm of individuals run SA algorithm collaboratively. Inspired by ant colony optimisation(More)
Received: 17 November 2008 Accepted: 17 November 2008 Abstract With advances in computing techniques, a large amount of highresolution high-quality multimedia data (video and audio, and so on) has been collected in research laboratories in various scientific disciplines, particularly in cognitive and behavioral studies. How to automatically and effectively(More)
A growing set of data show that adults are quite good at accumulating statistical evidence across individually ambiguous learning contexts with multiple novel words and multiple novel objects (Yu and Smith, 2007; Fitneva and Christiansen, 2011; Kachergis et al., 2012; Yurovsky et al., under resubmission); experimental studies also indicate that infants and(More)