Mihály Jakob

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This paper presents a new approach for the development of data-intensive web applications that depend on sophisticated application logic. E-Commerce web sites, on-line auction systems and large enterprise web portals fall into this category as they require comprehensive data access, data processing and data manipulation capabilities. However, existing(More)
Major challenges that companies face nowadays are extremely volatile markets, a globally distributed supplier network and constantly changing business environments. These circumstances demand a high level of agility and extraordinary flexibility in the business modeling and the organizational structures of a company as well as adaptive and interoperable IT(More)
This paper describes a new approach for the development of data-intensive web applications that depend on non-trivial data manipulation. E-Commerce web sites, on-line auction systems and large enterprise web portals fall into this category, as they require comprehensive data access, data processing and data manipulation capabilities. However, existing(More)
Location-based services (LBS) are typically mobile applications that adapt their behavior to the spatial context of the user, e.g. by providing maps and navigational information of the user's current position. Existing location-based applications rely on spatial data that is gathered and preprocessed especially for them and that is stored by particular data(More)
Rating the similarity of two or more text documents is an essential task in information retrieval. For example, document similarity can be used to rank search engine results, cluster documents according to topics etc. A major challenge in calculating document similarity originates from the fact that two documents can have the same topic or even mean the(More)