Retrieval and filtering systems may apply relevance feedback to gain information on users’ needs in order to improve their ad-hoc queries or long term profiling. Explicit relevance involves explicit ratings of documents or terms by the users and disrupts their normal patterns of browsing and searching. The alternative non-disruptive method is implicit feedback inferring users’ needs and interes...

The Cost-Effectiveness Analysis (CEA) is the method most commonly used for the assessment of the costs and effectiveness of alternative policy options on the environment. The objective of this paper is to describe the priority of the policy area “coastal water pollution control from land uses, in catchment area” in the frame of an Integrated Coastal Zone Management (ICZM). The evaluation of rel...