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 proposed an exact method to discover all order-preserving submatrices (OPSMs) based on frequent sequential pattern mining. Firstly, an existing algorithm calACS is adjusted to disclose all common subsequences between every two row sequences, therefore all the deep OPSMs corresponding to long patterns with few supporting sequences will not be missed. Then an improved data structure...
Classification of high frequency micro logs has been completed. A model is proposed in which the direct influence is based on some factors: the micro logger's aggregation, the activity, the amount of microblog comments and the number of fans, and the indirect influence is based on the forward depth and repost time. Official microblog "Chongqing Mobile" and grassroots microblog "Hong...
A vacuum-packaged double-gated FED is fabricated based on a stacked metalized apertures structure. The characteristics of the device shows the device structure is promising for application in large-area display. Further work will be carried out on improving brightness, uniformity and resolution of the device.
Field emission display (FED) is a promising candidate for next generation flat panel display due to its advantages of fast response, high brightness, high contrast and low power consumption. Dielectric spacers are key components in a FED device, which support and insulate cathode and anode substrates. In this study the effects of spacer charging on the display image was studied in a FED with high...
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.