@inproceedings{inproceedings, title = {{Requirements for multimedia document enrichment.}}, publisher = {{ACM}}, url = {{http://www.informatik.uni-trier.de/~ley/db/conf/www/www2006.html }}, year = {{2006}}, month = {{1}}, author = {{Chakravarthy A and Lanfranchi V and Ciravegna F}}, journal = {{WWW}}, pages = {{903-904}}, note = {{Accessed on 2024/12/23}}}