We have developed a natural language query interface for Tiscover, the largest Austrian web-based tourism platform. For a period of 10 days, this interface was made publicly available by means of an advertisement and a hyperlink on Tiscover's homepage. In this paper, we will describe the results and our insights from analyzing the natural language queries collected during this field trial. This analysis shows how users formulate queries when their imagination is not limited by conventional

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... h interfaces with structured forms consisting of check boxes, radio buttons and special-purpose text fields. The results of this field trial are thus valuable indicators for determining direction, the webbased tourism information system should be extended into, in order to better serve the customers.