Eamonn Keogh and Padhraic Smyth.
A Probabilistic Approach to Fast Pattern Matching in Time Series Databases.
In Proceedings of the 3rd International Conference of Knowledge Discovery and Data Mining, pp. 20-24, 1997.

Bibtex:

@InProceedings{ keogh:1997:PAPM,
  author = 	"Eamonn Keogh and Padhraic Smyth",
  title = 	"A Probabilistic Approach to Fast Pattern Matching in
                 Time Series Databases",
  booktitle = 	"Proceedings of the 3rd International Conference of
                 Knowledge Discovery and Data Mining",
  pages = 	"20-24",
  year = 	"1997",
}