@INPROCEEDINGS{TeixeiraBarbosaEtAlICEGI2005,
  author = {Luís Teixeira and Álvaro Barbosa and Jorge Cardoso and Vasco Carvalho
	and Manuel Costa and Inês Sousa and Ivan Franco and Alexandra Fonseca
	and Diana Henriques and Paulo Rosa},
  title = {Online data mining services for dynamic spatial databases II: air
	quality location based services and sonification},
  booktitle = {II International Conference and Exhibition on Geographic Information},
  year = {2005},
  location = {Estoril, Portugal},
  url = {http://jorgecardoso.org/publications/gisplanet-2005-airquality.pdf}
}