Systems and techniques for prefetching data
US-10706118-B1 · Jul 7, 2020 · US
US11606397B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11606397-B2 |
| Application number | US-201916275449-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 14, 2019 |
| Priority date | Mar 7, 2018 |
| Publication date | Mar 14, 2023 |
| Grant date | Mar 14, 2023 |
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An operating method of a server, comprising, mediating a video call session between a first terminal and a second terminal; receiving satisfaction information on the video call session of a user of the first terminal from the first terminal; preparing combination of a specific type of personal information about a user of the first terminal and facial characteristic information about a user of the second terminal; calculating a correlation between the combination and the satisfaction information corresponding to the combination; receiving a video call mediating request from a third terminal and from a plurality of candidate terminals, and predicting satisfaction information of a user of the third terminal with respect to each of the candidate terminals; and choosing a fourth terminal among the candidate terminals.
Opening claim text (preview).
What is claimed is: 1. An operating method of a server, comprising: establishing a video call session between at least one first terminal and at least one second terminal; receiving satisfaction index information, of a user of the at least one first terminal with respect to a user of the at least one second terminal, generated through the video call session from the at least one first terminal; calculating a correlation between the satisfaction index information and a combination of a specific type of personal information about the user of the at least one first terminal and facial information about the user of the at least one second terminal, wherein the facial information about the user of the at least one second terminal includes feature point distribution information calculated based on a facial image of the user of the at least one second terminal; predicting satisfaction of a user of a third terminal with respect to users of a plurality of terminals by using the correlation, the correlation being based on the personal information about the user of the at least one first terminal and the facial information about the user of the at least one second terminal, and a combination of a specific type of personal information about the user of the third terminal which requests a new video call session and facial information about the users of the plurality of terminals, wherein the facial information about the users of the plurality of terminals includes feature point distribution information calculated based on facial images of the users of the plurality of terminals; and choosing a counterpart for a match of the third terminal among the users of the plurality of terminals by using a result of the prediction. 2. The method according to claim 1 , wherein the satisfaction index information corresponds to satisfaction for a match of the user of the at least one first terminal with respect to the user of the at least one second terminal, and wherein the satisfaction for the match is calculated through the video call session from the at least one first terminal. 3. The method according to claim 1 , wherein the choosing the counterpart for the match of the third terminal among the users of the plurality of terminals by using the result of the prediction comprises choosing a user corresponding to a highest satisfaction value among values of the predicted satisfactions of the user of the third terminal with respect to the users of the plurality of terminals. 4. The method according to claim 1 , wherein the satisfaction index information corresponds to at least one satisfaction factor of the user of the at least one first terminal with respect to the user of the at least one second terminal received through the video call session from the at least one first terminal. 5. The method according to claim 4 , wherein the calculating the correlation between the satisfaction index information and the combination comprises calculating a correlation between the at least one satisfaction factor and the combination. 6. The method according to claim 5 , wherein the predicting the satisfaction of the user of the third terminal comprises: predicting at least one satisfaction factor of the user of the third terminal with respect to each user of the plurality of terminals by using the correlation and the combination; and calculating satisfaction for a match of the user of the third terminal for each user of the plurality of terminals by using the predicted at least one satisfaction factor. 7. The method according to claim 6 , wherein the choosing the counterpart for the match of the third terminal comprises choosing a user corresponding to a highest match satisfaction value among match values of satisfactions calculated for each user of the plurality of terminals. 8. The method according to claim 1 , wherein the specific type of personal information comprises information about at least one of a nationality and an age of the user of the at least one first terminal. 9. The method according to claim 1 , wherein the facial information about the users of the plurality of terminals comprises information about a facial image of each user of the plurality of terminals. 10. The method according to claim 1 , wherein the facial information about the users of the plurality of terminals comprises feature point distribution information corresponding to coordinate information about a specific point of each face of the users of the plurality of terminals. 11. A non-transitory computer-readable recording medium having recorded thereon a program for executing, in a computer the operating method of a server in claim 1 . 12. A server comprising: at least one processor; memory readable by the at least one processor; and instructions stored in the memory that when read by the at least one processor direct the at least one processor to perform operations including: establishing a video call session between each of at least one first terminal and at least one second terminal, receiving satisfaction index information, of a user of the at least one first terminal with respect to the at least one second terminal, generated through the video call session from the at least one first terminal, calculating a correlation between the satisfaction index information and a combination of a specific type of personal information about the user of the at least one first terminal and facial information about the user of the at least one second terminal, wherein the facial information about the user of the at least one second terminal includes feature point distribution information calculated based on a facial image of the user of the at least one second terminal, predicting satisfaction of a user of a third terminal with respect to users of a plurality of terminals by using the correlation, the correlation being based on the personal information about the user of the at least one first terminal and the facial information about the user of the at least one second terminal, and a combination of a specific type of personal information about the user of the third terminal which requests a new video call session and facial information about the users of the plurality of terminals, wherein the facial information about the users of the plurality of terminals includes feature point distribution information calculated based on facial images of the users of the plurality of terminals, and choosing a counterpart for a match of the third terminal among the users of the plurality of terminals by using a result of the prediction. 13. The server according to claim 12 , wherein the at least one processor is directed to calculate a correlation between the satisfaction index information and a combination of nationality information about the user of the at least one first terminal and the facial information about the user of the at least one second terminal when the specific type of the personal information of the user of the at least one first terminal is the nationality information, and predicts satisfaction of the user of the third terminal with respect to the users of the plurality of terminals by using the correlation and a combination of nationality information the user of the third terminal and facial information about the users of the plurality of terminals. 14. The server according to claim 12 , wherein the at least one processor is directed to calculate a correlation between the satisfaction index information and a combination of age information about the user of the at least one first terminal and facial information about the user of the second terminal when the specific type of the personal information ab
In-session procedures · CPC title
Session establishment or de-establishment · CPC title
Querying · CPC title
End-user terminal functionalities specially adapted for real-time communication · CPC title
Indexing; Data structures therefor; Storage structures · CPC title
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