1. Adomavicius, G., & Tuzhilin, A. (2005). Toward the next generation of recommender systems: A survey of the state-of-the-art and possible extensions. IEEE Transaction on Knowledge and Data Engineering, 17(6), 734–749.
2. Allan, J. (1996). Incremental relevance feedback for information filtering. In Proceedings of the 19th annual international ACM SIGIR conference on research and development in information retrieval, SIGIR ’96 (pp. 270–278). New York, NY.
3. Antiqueira, L., Oliveira, O. N., Costa, L. D. F., & Nunes, M. D. G. V. (2009). A complex network approach to text summarization. Information Sciences, 179(5), 584–599.
4. Arampatzis, A. (2001). Unbiased S-D threshold optimization, initial query degradation, decay, and incrementality, for adaptive document filtering. In Proceedings of tenth text REtrieval conference, TREC-10. National Institute of Standards and Technology, Special Publication.
5. Arampatzis, A., Beney, J., Koster, C. H. A., & van der Weide, T. (2000). KUN on the TREC-9 filtering track: Incrementality, decay, and threshold optimization for adaptive filtering systems. In Proceedings of ninth text REtrieval conference, TREC-9. National Institute of Standards and Technology, Special Publication.