# A sigmoid attractiveness based improved firefly algorithm and its applications in IIR filter design

> Research article (Connection Science, 2020) · cited 23× · AI/ML

**Wikidata**: [openalex:W3012516989](https://www.wikidata.org/wiki/openalex:W3012516989)  
**Source**: https://4ort.xyz/entity/a-sigmoid-attractiveness-based-improved-firefly-algorithm-and-its-applications-in-iir-filter-design