1. [Broder 07] Broder, A., Fontoura, M. and Josifovski, V.: A Semantic Approach to Contextual Advertising, Proc. 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, pp.559-566 (2007).
2. [Csurka 04] Csurka, G., Dance, C. R., Fan, L., Willamowski, J. and Bray, C.: Visual Categorization with Bags of Keypoints, Proc. ECCV International Workshop on Statistical Learning in Computer Vision, pp.1-22 (2004).
3. [Davidov 09] Davidov, D.: Geo-mining: Discovery of Road and Transport Networks Using Directional Patterns, Proc. 2009 Conference on Empirical Methods in Natural Language Processing, pp.267-175 (2009).