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.
As more and more web services are available over the Internet, people have many choices to use one or some of them to fulfill their tasks. When the task is adequtely complicated, it is necessary to compose the related web services to complete it effectively and efficiently. Many algorithms have already been proposed to solve the web service composition problem by trying to find the candidate solutions...