Patent ID: 9749690
Date: 2017-08-29
CPC Classifications: G06F,H04L,H04N

Claim:
1. A video information system for providing video data access history, the video information system comprising: at least one memory configured to store at least one computer executable instruction; and at least one processor configured to execute the computer executable instruction to implement at least one module comprising: a metadata receiver requesting a user, who is attempting to access video data stored in a video data storage, to input metadata comprising at least one of biomedical information and non-biomedical information of the user, according to a level of significance of the video data set based on an attribute of the video data, receiving the metadata input by the user, and storing the received metadata with a link to the video data in a metadata storage, wherein the at least one module further comprises a user authenticator requesting the user to input at least a portion of user information to log in the video information system before the metadata receiver requests the user to input the metadata, wherein the user information comprises fixed information comprising an identification (ID) and a password of the user, and a plurality of pieces of unfixed information set by the user in advance, wherein the at least a portion of the user information comprises the fixed information and at least one of the plurality of pieces of the unfixed information, wherein the user authenticator generates a plurality of combinations of inquiries corresponding to the plurality of pieces of the unfixed information, respectively, each combination of the inquiries comprising at least one inquiry, and wherein, when the user attempts to log in the video information system, the user authenticator requests the user to input the at least one of the plurality of pieces of the unfixed information in response to at least one of the plurality of combinations of the inquiries which the user authenticator randomly selects from the plurality of combinations of the inquiries.