نتایج جستجو برای: different count
تعداد نتایج: 1888416 فیلتر نتایج به سال:
In this paper we study the distinct count aggregation function used in queries into expressive ontologies. The main differences in this settings opposed to aggregation in relational database systems are the Open World Assumption and incomplete knowledge. We propose different interpretations useful in different practical use-cases of the distinct count function, i.e. basic count, semantic count,...
Optimum plant stand density and uniformity is vital in order to maximize corn (Zea mays L.) yield potential. Assessment of can occur shortly after seedlings begin emerge, allowing for timely replant decisions. The conventional methods evaluating an early rely on manual measurement visual observation, which are time consuming, subjective because the small sampling areas used, unable capture fiel...
Introduction: Myocardial perfusion imaging (MPI) is an important imaging modality in managing patients with cardiovascular disease. MPI has a significant role in diagnosis and management of cardiovascular disease; however it is subjected to different artifacts. Combining pharmacologic stress with submaximal exercise reduces side effects, improves image quality, and enhances the...
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