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Accompanying the development of the information systems, there is more and more research focused on the evaluation of information systems. However, the evaluation of the enterprise information systems has always been a thorny problem because of the complexity of the information systems. Through analysis of the existing research achievements both domestic and foreign, we find that some important factors...
Crop is often suffered from drought in semi-arid rainfed agriculture area. Diagnosis of crop drought status is critical for prediction of agriculture drought in this area. Two experiments were conducted for find out spr-wheat canopy spectral characters measurement in different water control status in field in 2007 and 2008, and the experiment included two cultivars and four levels of drought. Hyperspectral...
Pub/Sub Systems is well suitable for asynchronous exchanging information in distributed systems. However, owing to the existence of numerous communication participants from diverse organizations under an anonymous communication mechanism, the semantic heterogeneous issue in event-matching is fundamental. It affects the accuracy and comprehensiveness of event matching. But most existing content-based...
From 2006 to 2007, two experiments were carried out to find out the spring wheat canopy and leaf spectral characters and the growth status non-destructively monitoring. The results are following: Firstly, that the spectral differences are clear for the canopy and leaves of spr-wheat under different density levels, and the canopy spectral reflectance are gradually getting smaller in the visible region...
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