Oren Sar-Shalom  Oren Sar-Shalom photo         

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Machine Learning Researcher
Haifa Research Lab, Haifa, Israel



Enhanced Mean Retrieval Score Estimation for Query Performance Prediction
Haggai Roitman, Shai Erera, Oren Sar Shalom and Bar Weiner
ICTIR, 2017

A User Re-Modeling Approach to Item Recommendation using Complex Usage Data
Oren Sar Shalom, Haggai Roitman, Yishay Mansour and Amihood Amir
ICTIR, 2017


Beyond Collaborative Filtering: The List Recommendation Problem
Oren Sar Shalom, Noam Koenigstein, Ulrich Paquet, Hastagiri P. Vanchinathan
Proceedings of the 25th International Conference on World Wide Web, WWW 2016, Montreal, Canada, April 11 - 15, 2016, pp. 63--72


A PTAS for the Square Tiling Problem
Amihood Amir, Alberto Apostolico, Gad M Landau, Ely Porat, Oren Sar Shalom
Theoretical Computer Science562, 33--45, Elsevier, 2015

Data Quality Matters in Recommender Systems
Oren Sar Shalom, Berkovsky, Shlomo Ronen, Royi Ziklik, Elad and Amihood, Amir
Proceedings of the 9th ACM Conference on Recommender Systems, 2015


Multiply Balanced k- Partitioning
Amihood Amir, Jessica Ficler, Robert Krauthgamer, Liam Roditty, Oren Sar Shalom
LATIN 2014: Theoretical Informatics, pp. 586--597, Springer

On the efficiency of the Hamming c-centerstring problems
Amihood Amir, Jessica Ficler, Liam Roditty, Oren Sar Shalom
Combinatorial Pattern Matching, pp. 1--10, 2014