The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
In this paper, we propose an optimized clustering technique based on spatial-correlation in wireless sensor networks (WSN). It combines the advantages of clustering technique with spatial-correlation. It can avoid the impact of unexpected data on the results and get approximate results in a tolerant error by using similarity degree to construct clusters. Moreover, for only cluster-heads transmit data...
A semi-supervised classification approach, SS-LFL, is proposed. In SS-LFL, some weak binary classifiers, each of which can identify instances of one particular class, are firstly trained on the labeled data, and the whole data set is then clustered into partitions until they are tight and pure enough. SS-LFL alternates between assigning ??imperfect-classes?? to the unlabeled data in these partitions...
In some special situations, current Top-k query can not provide a satisfying result since it can only return single nodes. This paper studies Top-k Range query which find the regions with highest average readings. Top-k Range query is novel addition to the family of Top-k queries. This paper first proposes a naive solution and then proposes an approximate Top-k Range scheme. It uses Value based D-hop...
A novel similarity measure based on spatial overlapping relation is proposed in this paper, which calculates the similarity between a pair of data points by using the mutual overlapping relation between them in a multi-dimensional space. A spatial overlapping based hierarchical clustering method SOHC was also developed and implemented aimed to justify the effectiveness of the proposed similarity measure...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.