G06N99005
Please help me predict the CPC LABEL for this patentPATENT ABSTRACT: A method for inferring a location where each textual message was posted by a test user. The method includes partitioning an area into plural sub-areas, associating each of textual messages posted by training users with a sub-area where each of the textual message was posted, extracting a keyword from the textual message associated with each sub-area, constructing a feature vector of each sub-area, based on the extracted keyword, computing a transition probability for each sub-area by time-series of location information associated with the textual messages posted by the training user, the transition probability being a probability of transition from a target sub-area to other sub-areas, computing plural scores of each location, using the feature vector, where each textual message was posted by the test user, and computing, based on the plural scores and the transition probability, time-series of locations where each textual message was posted by the test user.