Decisionarium – aiding decisions, negotiating and collecting opinions on the web

Decisionarium (http://www.decisionarium.hut.fi) is the first public site for interactive multicriteria decision support with tools for individual decision-making as well as for group collaboration and negotiation. Web-HIPRE (http://www.hipre.hut.fi) supports value tree and AHP analysis including group models. The RICH methodology (http://www.rich.hut.fi) allows the decision maker to provide incomplete ordinal preference statements when considering the relative importance of attributes in a value tree. Opinions-Online (http://www.opinion.hut.fi) is a platform for surveys voting and group collaboration. There are different ways for voting, multiattribute scoring, surveys as well as interactive viewing of the results. Joint Gains (http://www.jointgains.hut.fi) applies the method of improving directions to support multiparty negotiations in a multicriteria setting. Smart Swaps offers an implementation of the even swaps procedure (http://www.smart-swaps.hut.fi). All of the tools above are web-based, so global interaction is natural and links can be utilized for multimedia information support. Decisionarium also offers access to complete e-learning modules (http://www.dm.hut.fi) based on the use of the software. There are also illustrative powerpoint presentations and additional Windows software WINPRE and PRIME-Decisions for value tree analysis under incomplete information.