@inproceedings{TUW-205623, author = {Lupu, Mihai and Hanbury, Allan and Rauber, Andreas}, title = {4th international workshop on patent information retrieval (PaIR'11)}, booktitle = {Proc. of CIKM}, year = {2011}, pages = {2623--2624}, publisher = {ACM}, doi = {10.1145/2063576.2064044} }