On the role of classification in patent invalidity searches.

@inproceedings{harris-2009-role, author = {Christopher G. Harris and Steven Foster and Robert Arens and Padmini Srinivasan}, editor = {John Tait and Helmut Berger and Michael Dittenbach and Mihai Lupu}, title = {{On the role of classification in patent invalidity searches}}, booktitle = {{Proceedings of the 2nd International Workshop on Patent Information Retrieval, PaIR '09, Hong Kong, SAR, China, November 6, 2009}}, pages = {29--32}, publisher = {ACM}, year = {2009}, url = {https://doi.org/10.1145/1651343.1651350}, doi = {https://doi.org/10.1145/1651343.1651350} }