@inproceedings{XiaAS26, author = {Hai Xia and Carlos Ans{\'{o}}tegui and Stefan Szeider}, booktitle = {Proceedings of the International Conference on Automated Machine Learning, {AutoML} 2026, September 28 -- October 1, 2026, Ljubljana, Slovenia}, keywords = {coe, cofund, strides}, note = {To appear}, title = {Synthesizing Feature Extractors: An Agentic Approach for Algorithm Selection}, year = {2026} }