An Efficient and Effective Approximation Algorithm for the Map Labeling Problem. Wagner, F. & Wolff, A. In Proceedings of European Symposium on Algorithms (ESA), pages 420-433, 1995.  
Paper  bibtex   @inproceedings{ dblp4606728,
  title = {An Efficient and Effective Approximation Algorithm for the Map Labeling Problem},
  author = {Frank Wagner and Alexander Wolff},
  author_short = {Wagner, F. and Wolff, A.},
  bibtype = {inproceedings},
  type = {inproceedings},
  year = {1995},
  key = {dblp4606728},
  id = {dblp4606728},
  biburl = {http://www.dblp.org/rec/bibtex/conf/esa/WagnerW95},
  url = {http://dx.doi.org/10.1007/3-540-60313-1_160},
  conference = {ESA},
  pages = {420-433},
  text = {ESA 1995:420-433},
  booktitle = {Proceedings of European Symposium on Algorithms (ESA)}
} 
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