# An Alternating Method for Cardinality-Constrained Optimization: A Computational Study for the Best Subset Selection and Sparse Portfolio Problems

> Research article (INFORMS journal on computing, 2022) · cited 13× · AI/ML

**Wikidata**: [openalex:W4290649352](https://www.wikidata.org/wiki/openalex:W4290649352)  
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