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Research on semantic search aims to improve conventional information search and retrieval methods, and facilitate information acquisition, processing, storage and retrieval on the semantic web. The past ten years have seen a number of implemented semantic search systems and various proposed frameworks. A comprehensive survey is needed to gain an overall(More)
AIMS Leukoaraiosis (LA) is the increase in fluid in cerebral white matter with hyperintensity on T2-weighted MR imaging that occurs in 25% of individuals over 65 years of age and in Alzheimer's disease. Age, hypertension, diabetes mellitus and cardiac disease are the major risk factors for LA. Ischaemia is considered to be the cause of LA, but the aim of(More)
Abnormalities in amygdala activity have been implicated in adolescents and older adults with major depressive disorder (MDD), but few studies have focused on young adults with early-onset MDD. In this study, we measured amygdala activity in 27 young adults with early-onset MDD and 25 healthy controls (HC) using functional magnetic resonance imaging (fMRI)(More)
To overcome shortcomings of Exact Matching Method (EMM) and Substitute Description Method (SDM), an Inexact Matching Method Based on Ontology and Semantic Distance (OSDIMM) is introduced. This method, firstly, describes resources information with Ontology languages to get Resource Ontology Description (RODs); then, infers Concept Hierarchy Trees and(More)
We describe the use of a reconngurable interface board based on FPGAs and a UNIX workstation to implement a correlation tracker with 3.8ms latency. The correlation tracker is part of an active mirror system in use at the The reconngurable interface is used to leverage the workstation CPU, relieving it of tasks that it performs poorly such as rapid context(More)