Applying associative retrieval techniques to alleviate the sparsity problem in collaborative filtering.

@article{huang-2004-applying, author = {Zan Huang and Hsinchun Chen and Daniel Dajun Zeng}, title = {{Applying associative retrieval techniques to alleviate the sparsity problem in collaborative filtering}}, journal = {ACM Transactions on Information Systems (TOIS)}, volume = {22}, number = {1}, pages = {116--142}, year = {2004}, url = {https://doi.org/10.1145/963770.963775}, doi = {https://doi.org/10.1145/963770.963775} }