Abramowicz, WitoldSzymanski, JacekKaschek, RolandMayr, Heinrich C.Liddle, Stephen2019-10-112019-10-1120053-88579-392-Xhttps://dl.gi.de/handle/20.500.12116/28338Recent development in business has led to new demands for information. On the other hand the spread of Internet based information services has grown to such extent that it is often impossible to find relevant information in short time. Term based information filtering systems often are not efficient enough. Therefore a need for more efficient mechanisms has arisen. This article discusses the requirements for ontological document filtering for the purposes of Information Oriented Workflow.enText/Conference Paper1617-5468