Research Article
Fuzzy Linguistic Protoforms to Summarize Heart Rate Streams of Patients with Ischemic Heart Disease
Table 3
Trapezoidal membership functions for FTWs and FQ of protoforms.
| | Textual description in natural language | Type | / |
| | For around 25-50 minutes | | |
| | For around 15-25 minutes | | |
| | In the last 2 minutes | | |
| | Around 1-3 minutes ago | | |
| | At least half of the time | | |
| | While a part of the time | | |
| | Most of the time | | |
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