@InProceedings{SertkayaICFCA06,
 author = {Bar\i{}\c{s} Sertkaya},
 title  = {Computing the hierarchy of conjunctions of concept names and their
          negations in a Description Logic knowledge base using Formal Concept 
          Analysis ({ICFCA 2006})},
 booktitle = {Contributions to ICFCA 2006},
 year   = {2006},
 editor = {Bernhard Ganter and Leonard Kwuida},
 publisher = {Verlag Allgemeine Wissenschaft},
 isbn = {3-935924-05-4},
 pages = {73--86},
 address = {Dresden, Germany},
}