|
| S | Set of selected winners |
| Sn | Set of participants at night |
| Sd | Set of participants in the daytime |
| Night backup assembly |
| mi | The median of the time period reported by the participant i |
| s | Start time of participating in sensing task |
| e | End time of participating in sensing task |
| W | A unit time period of sensing task |
| Ts | The start time of a unit time period |
| Te | The end time of a unit time period |
| The length of a time window |
| si | Start time reported by participant i |
| ei | End time reported by participant i |
| Weight | The ratio of participants in the reported daytime period to all participants |
| D | Price pool reward |
| pi | Rewards received by participant i |
| bi | Bid price of participant i |
| ai | Extra rewards received by participant i |
| di | Price pool reward received by participant i |
| U, ui | Set of participants, participant i |
| Represents the sensing time of participant i in the k-th time window |
| Bid price of participant i in the k-th time window |
| Reliability of participant i in the k-th time window |
| ri | Credit value of participant i |
| Sensing data volume of participant i in the k-th time window |
| Device battery of participant i in the k-th time window |
| Data benefit of the k-th time window |
| Trust status feedback value of participant i in the k-th time window |
| Degree of willingness to participate of participant i in the k-th time window |
| Data quality uploaded by participant i in the k-th time window |
| Rewards received by participant i in the k-th time window |
| Timeliness, completeness, accuracy, value |
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