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.
Spatial clustering is an important method for spatial data mining and knowledge discovery. According to the deficiency existing in density-based clustering algorithm DBSCAN, such as the I/O overhead, memory consumption etc. This paper improves the DBSCAN algorithm, which proposed directional density algorithm, the algorithm reduces lots of points which need to be queried. By taking Geographic Information...
Since the volume of streaming media data is so huge, it is hard to solve security and real-time problems at the same time by implementing traditional encryption arithmetic. In order to meet these two requirements, combined with Public Key cryptographic algorithm RSA, this paper designs a new encryption system (RSA-DLCM) by taking chaotic system as the base and remedying the defects of chaotic system...
Semantic focused crawler is an important part of semantic vertical search engine. It is receiving increasing attention as a well founded alternative to search web with the problem of locating topical resource on entire web. In order to retrieval documents related to a given topic, in this paper, we propose QBLP Algorithm which enable crawler adaptive with the changing environment. This feature makes...
Many researchers make use of WordNet to measure semantic distance, but rarely describe and, further more, analyze an algorithm which is in specialty to find paths, called semantic relations in this paper, between two concepts in WordNet. Searching in all semantic relations is an important step in measuring semantic similarity. In this paper, we propose two algorithms, HS (hierarchy spread) and BDOS...
Compared with the 2D configuration software, the user interface become realistic and friendly, and it can reflect the devices running status in the industrial field so realistically of the 3D configuration software. The window information content has a enormous enhancement using 3D user interface. But it has increased the difficulty of the human-computer interaction in the procedures of the configuration...
Using 3D user interface in the configuration software, the user interface can become realistic and friendly. And it can reflect the devices running status in the industrial field so realistically. Moreover, it can avoid the window effect effectively due to the screen size influence. The window information content has the enormous enhancement. But it brings some other problems such as configuration...
Semantic similarity between concepts plays an important role in knowledge sharing, Web mining and semantic sense understanding. We proposed a new measure which combines the graph-based measure and information content-based measure. The measure take the condition into account that there is another ancestor concept whose information content is nearly the same with which of the nearest common ancestor...
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.