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.
One should expect the unexpected when deploying intelligent tutoring systems. This paper describes a case study in collecting, warehousing, and analyzing field usage data from two language and culture learning environments, to understand what happened when they were deployed. A data warehousing system, Hoahu, was used to process the raw data and transform it into a relational database to facilitate...
This article presents a knowledge‐based solution for retrieving English descriptions of images. We analyse the errors made by a baseline system that relies on term frequency, and we find that the task requires deeper semantic representation. Our solution is to perform incremental, task‐driven development of an ontology. Ontological features are then applied in a machine‐learning algorithm for ranking...
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.