Abstract
We propose here some new types of linguistic summaries of time series by extending our previous works. First, the linguistic summaries of time series refer to the summaries of (partial) trends identified here with straight line segments of a piece-wise linear approximation of a time series that is proposed in the paper. To characterize the trends we use the slope of the line segment, the goodness of approximation and the length of the trend. A linguistic summary of a time series is then derived by a linguistic quantifier driven aggregation of trends that is performed using the Sugeno integral. We show an application to the absolute performance type analysis of time series data on daily quotations of an investment fund over an eight year period. The results are very promising.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 7th International Conference on Intelligent Systems Design and Applications - ISDA 2007 |
| Publisher | IEEE Press |
| Pages | 262-267 |
| Number of pages | 6 |
| ISBN (Print) | 978-0-7695-2976-9 |
| DOIs | |
| Publication status | Published - 2007 |
| Externally published | Yes |
| Event | 7th International Conference on Intelligent Systems Design and Applications, ISDA 2007 - Rio de Janeiro, United Kingdom Duration: 20 Oct 2007 → 24 Oct 2007 Conference number: 7 |
Conference
| Conference | 7th International Conference on Intelligent Systems Design and Applications, ISDA 2007 |
|---|---|
| Abbreviated title | ISDA |
| Country/Territory | United Kingdom |
| City | Rio de Janeiro |
| Period | 20/10/07 → 24/10/07 |
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