A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is
Preference SQL is a declarative extension of standard SQL by strict partial order preferences, behaving like soft constraints under the BMO query model. Preference queries can be formulated intuitively following an inductive constructor-based approach. Both qualitative methods like e.g. Pareto / skyline and quantative methods like numerical ranking, definable over categorical as well as numerical attribute domains can be used. The Preference SQL System is implemented as a middleware component,dblp:journals/debu/KiesslingEW11 fatcat:c7b72txtqjg7thnvou73oamuee