@InProceedings{husek_et_al:LIPIcs.IPEC.2020.16, author = {Hu\v{s}ek, Radek and Knop, Du\v{s}an and Masa\v{r}k, Tom\'{a}\v{s}}, title = {{Approximation Algorithms for Steiner Tree Based on Star Contractions: A Unified View}}, booktitle = {15th International Symposium on Parameterized and Exact Computation (IPEC 2020)}, pages = {16:1--16:18}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-172-6}, ISSN = {1868-8969}, year = {2020}, volume = {180}, editor = {Cao, Yixin and Pilipczuk, Marcin}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.IPEC.2020.16}, URN = {urn:nbn:de:0030-drops-133193}, doi = {10.4230/LIPIcs.IPEC.2020.16}, annote = {Keywords: Steiner tree, approximation, star contractions, minimum spanning tree} }