1. Aloia, N., Concordia, C., Meghini, C., & Barroso, J. (2007). Querying a bricks digital library.
2. Technical paper recommendation: A study in combining multiple information sources;Basu;Journal of Artificial Intelligence Research,2002
3. A research on CallimachusDL model based on Semantic Web;Caili;Research on Library Science,2013
4. Using collaborative filtering to weave an information tapestry;Goldberg;Communications of the ACM,1992
5. Cognition and learning;Greeno;Handbook of Educational Psychology,1996