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| Name | Meaning |
|
| Denotes a 5 min time slot throughout the day, |
| is the number of GASs |
| Denotes the day of a month, in this paper |
| Denotes weekday or weekend, , 1 for weekday and 2 for weekend |
| = {Monday, Tuesday, Wednesday, Thursday, Friday}, = {Saturday, Sunday}, |
| Seven days of the week, |
| Matrix of user numbers in the nth GAS |
| Matrix of communication numbers in the nth GAS |
| Number of mobile communication base stations in a certain GAS |
| Number of users in the nth GAS |
| Number of communications in the nth GAS, which is the cth mobile communication base station in the th 5 min interval of day |
| Area of nth GAS |
| Number of weekdays or weekends in a month, , in this paper |
| Matrixes of average user numbers of GASs on a weekday or weekend |
| Matrixes of average communication numbers of GASs on a weekday or weekend |
| Matrixes of CAIs |
| Matrixes of UDs |
| Signature of GASs based on the NCAs on weekday or weekend |
| Signature of GASs based on the CAIs on weekday or weekend |
| Signature of GASs based on the UDs on weekday or weekend |
| Intracluster distances |
| Intercluster distances |
| Validity index |
| Set of signatures that belong to the cluster defined by a centroid |
| Signature, , |
| KDE function at spatial position s |
| Distance attenuation threshold |
| Number of elements for which the distance is less than or equal to from location |
| Sample element |
| Spatial weighting function |
| Type of cluster; |
| Identification index of type |
| Actual function area of a cluster , km2 |
| Area of detecting function, which is the area of the GAS containing , km2 |
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