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.
A web search engine is designed to search for information on the World Wide Web (WWW). Crawlers are software which can traverse the internet and retrieve web pages by hyperlinks. In the face of the large spam websites, traditional web crawlers cannot function well to solve this problem. Focused crawlers utilize semantic web technologies to analyze the semantics of hyperlinks and web documents. The...
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.