نتایج جستجو برای: Temporal quantitative dataset
تعداد نتایج: 636830 فیلتر نتایج به سال:
This research aims at proposing a new method for discovering frequent temporal itemsets in continuous subsets of a dataset with quantitative transactions. It is important to note that although these temporal itemsets may have relatively high textit{support} or occurrence within particular time intervals, they do not necessarily get similar textit{support} across the whole dataset, which makes i...
A novel method for mining association rules that are both quantitative and temporal using a multi-objective evolutionary algorithm is presented. This method successfully identifies numerous temporal association rules that occur more frequently in areas of a dataset with specific quantitative values represented with fuzzy sets. The novelty of this research lies in exploring the composition of qu...
In this article, I propose a mixed-model method to detect QTL with significant mean effect across environments and to characterize the stability of effects across multiple environments. I demonstrate the method using the barley dataset by the North American Barley Genome Mapping Project. The analysis raises the need for mixed modeling in two different ways. First, it is reasonable to regard env...
Time is a powerful and common attribute for exploring information, and timelines can be an excellent way to help represent and explore temporal data. Most timelines hit problems when the dataset has a large number of values or attributes, or when the data to be conveyed is multidimensional. We previously introduced Continuum, a tool to support rich temporal visualisations by allowing nested hie...
Metabolomics is a powerful set of methods that uses analytical techniques to identify and quantify metabolites in biological samples, providing snapshot the metabolic state system. In medicine, metabolomics may help reveal molecular basis disease, make diagnosis, monitor treatment responses, while agriculture, it can improve crop yields plant breeding. However, animal faces several challenges d...
Accurate segmentation of the brain MR images plays an important role in investigation of neurodegenerative changes in the cerebral cortex. However, most of the previous algorithms were proposed for segmentation of 3D images and few studies have taken the temporal consistency of cortical-thickness changes into account during the longitudinal studies. In this paper, we propose a 4D segmentation f...
An increasing amount of data is published and consumed on the Web according to the Linked Data paradigm. In consideration of both publishers and consumers, the temporal dimension of data is important. In this paper we investigate the characterisation and availability of temporal information in Linked Data at large scale. Based on an abstract definition of temporal information we conduct experim...
We present a novel mixture of trees (MoT) graphical model for video segmentation. Each component in this mixture represents a tree structured temporal linkage between super-pixels from the first to the last frame of a video sequence. Our time-series model explicitly captures the uncertainty in temporal linkage between adjacent frames which improves segmentation accuracy. We provide a variationa...
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