@InProceedings{swamy:LIPIcs.APPROX-RANDOM.2014.403, author = {Swamy, Chaitanya}, title = {{Improved Approximation Algorithms for Matroid and Knapsack Median Problems and Applications}}, booktitle = {Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques (APPROX/RANDOM 2014)}, pages = {403--418}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-939897-74-3}, ISSN = {1868-8969}, year = {2014}, volume = {28}, editor = {Jansen, Klaus and Rolim, Jos\'{e} and Devanur, Nikhil R. and Moore, Cristopher}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.APPROX-RANDOM.2014.403}, URN = {urn:nbn:de:0030-drops-47125}, doi = {10.4230/LIPIcs.APPROX-RANDOM.2014.403}, annote = {Keywords: Approximation algorithms, LP rounding, facility location, matroid and submodular polyhedra, knapsack constraints} }