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Amr Ahmed, PhD Graduate Student
School of Computer Science Carnegie Mellon University |
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Manuscripts and Workshop Papers ● Amr Ahmed, Eric Xing. Collapsed Variational Inference for Time-Varying Dirichlet Process Mixture Models, Nonparametric Bayes Workshop at (NIPS WS 2009), (To appear) ● Amr Ahmed, Eric Xing. Timelines: Recovering Birth and Evolution of Topics in Scientific Literature using Dynamic Non-parametric Bayesian Models.Topic Models Workshop at (NIPS WS 2009), (To appear) 2009 ● Amr Ahmed, Eric P. Xing, Recovering Time-Varying Networks of Dependencies in Social and Biological Studies, Proceeding of the National Academy of Science , vol. 106, no. 29, 11878-11883, 2009 . (PNAS 2009) - An earlier version appeared as CMU-ML-08-119, 2008, and a much earlier version appeared in Workshop on Statistical Models of Networks. (NIPS WS 2007). ● Amr Ahmed, Eric P. Xing, William W. Cohen, Robert F. Murphy. Structured Correspondence Topic Models for Mining Captioned Figures in Biological Literature. Proceedings of The Fifteenth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, (KDD 2009) ● Jun Zhu, Amr Ahmed, Eric P. Xing, MedLDA: Maximum Margin Supervised Topic Models for Regression and Classification. The 26th International Conference on Machine Learning (ICML 2009) ● Mladen Kolar, Le Song, Amr Ahmed, Eric P. Xing, Estimating Time-Varying Networks , Annals of Applied Statistics, (in press). ● Amr Ahmed, Andrew Arnold, Luis Pedro Coelho, Joshua Kangas, Abdul-Saboor Sheikk, Eric P. Xing, William W. Cohen, and Robert F. Murphy (2009): Structured Literature Image Finder: Parsing Text and Figures in Biomedical Literature. Journal of Web Semantics 2009. (to appear) “a non-technical overview of the SLIF project” - Shorter version appeared in Biolink-2009, in association with ISMB-ECCB 2009. ● Luis Pedro Coelho, Amr Ahmed, Andrew Arnold, Joshua Kangas, Abdul-Saboor Sheikk, Eric P. Xing, William W. Cohen, and Robert F. Murphy. Structured Literature Image Finder: Extracting Information from Text and Images in Biomedical Literature. Lecture Notes in Bioinformatics, 2009. (LNBI to appear) “a slightly technical overview of the SLIF project with a slight focus on the image processing part” - Longer version appeared as CMU-CB-09-101. 2008
● Amr Ahmed*, Le Song*, Eric P. Xing, Time-Varying Networks: Recovering Temporally Rewiring Genetic Networks During the Life Cycle of Drosophila melanogaster, Manuscript, arXiv:0901.0138. , Also available as CMU-MLD Technical Report. CMU-ML-08-118, 2008. - A shorter version appeared in the RECOMB System Biology Satellite Meeting, Boston, 2008. ● Amr Ahmed, Kai Yu, Wei Xu, Yihong Gong, Eric P. Xing, Training Hierarchical Feed-forward Visual Recognition Models Using Transfer Learning from Pseudo-Tasks. Proceeding of the 10th European Conference of Computer Vision, (ECCV 2008, Oral 4.6%) ● Ramesh Nallapati, Amr Ahmed, Eric P. Xing, and William W. Cohen, Joint Latent Topic Models for Text and Citations. Proceedings of The Fourteen ACM SIGKDD International Conference on Knowledge Discovery and Data Mining. (KDD 2008) ● Amr Ahmed, Eric P. Xing. Dynamic Non-Parametric Mixture Models and The Recurrent Chinese Restaurant Process : with Applications to Evolutionary Clustering. Proceedings of The Eighth SIAM International Conference on Data Mining. (SDM 2008) - A synopsis of this paper will appear in the Nonparametric Bayes Workshop at (ICML WS 2008). - Earlier version appeared as: CMU-MLD Technical Report CMU-ML-07-116, 2007 2007 ● Ramesh Nallapati, Amr Ahmed, William W. Cohen, Eric P. Xing, Sparse Word Graphs: A scalable algorithm for capturing word correlations in topic models, workshop on High performance data mining. (ICDM WS 2007) ● Amr Ahmed, Eric P. Xing, On Tight Approximate Inference of the Logistic Normal Topic Admixture Model. The Eleventh International Conference on Artificial Intelligence and Statistics, (AISTATS 2007), March 21-24, 2007. ● Amr Ahmed, Eric P. Xing. “Modeling Topic Evolution in Text Stream”, CMU-MLD Technical Report CMU-ML-07-117, 2007. 2005 ● Amr Ahmed, Abhilash Patel, Tom Brown, MyungJoo Ham, Myeong-Wuk Jang, Gul Agha. "Task Assignment for a Physical Agent Team via a Dynamic Forward/Reverse Auction Mechanism," in The International Conference of Integration of Knowledge Intensive Multi-Agent Systems KIMAS '05: Modeling, Evolutions and Engineering, 18 - 21 April, 2005. ● Myeong-Wuk Jang, Amr Ahmed, Gul Agha. "Efficient Communication in Multi-Agent Systems," Software Engineering for Multi-Agent Systems III: Research Issues and Practical Applications, LNCS 3390, Springer-Verlag, pp. 236-253, 2005.
2004 ● Myeong-Wuk Jang, Amr Ahmed, Gul Agha. "ATSpace: A Middle Agent to Support Application-Oriented Matchmaking and Brokering Services," IEEE/WIC/ACM IAT(Intelligent Agent Technology)-2004, pp. 393-396, September 20-24, Beijing, China, 2004. ● Myeong-Wuk Jang, Amr Ahmed, Gul Agha. "A Flexible Coordination Framework for Application-Oriented Matchmaking and Brokering Services," Technical Report UIUCDCS-R-2004-2430, Department of Computer Science, University of Illinois at Urbana-Champaign, April, 2004.
Prior to 2004 ● Amr Ahmed, Nevin Darwish. "GTPOT-RL For Multiagent Teamwork," Journal of Engineering and Applied Science, Vol 50, No 3, June 2003, pp. 537-552. , 2003, Cairo University, Egypt. ● Amr Ahmed. "Reinforcement Learning for Multi-agent Teamwork," MSc. thesis, Faculty of Engineering, Cairo University, Egypt, August, 2002. ● Amr Ahmed. "Line Drawing Interpretation System," Unpublished Technical Report, Department of Computer Engineering, Cairo University, Egypt, 1999. See sample outputs |