Queries, Rules and Definitions as Epistemic Sentences in Concept Languages

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\begin{bibtex} @inproceedings{DBLP:conf/ecai/DoniniLNNS92,

 author    = {Francesco M. Donini and
              Maurizio Lenzerini and
              Daniele Nardi and
              Werner Nutt and
              Andrea Schaerf},
 title     = {Queries, Rules and Definitions as Epistemic Sentences in
              Concept Languages},
 booktitle = {ECAI Workshop on Knowledge Representation and Reasoning},
 year      = {1992},
 pages     = {113-132},
 crossref  = {DBLP:conf/ecai/1992w1},
 bibsource = {DBLP, http://dblp.uni-trier.de}

}

\end{bibtex}