16. A method, comprising: detecting a predetermined operation input related to accessing document information using a hardware processor of a computer system; extracting a content of the document information in response to detection of the predetermined operation; acquiring policy information comprising labeling policy information and enforcement policy information, the labeling policy information representing a relationship between the content and a sensitivity label and the enforcement policy information defining details of control for the document information based on the sensitivity label; determining the sensitivity label of the document information by determining the sensitivity label corresponding to the content based on the policy information in response to extraction of the content; performing execution control for the document information in response to the determination of the sensitivity label, wherein the execution control for the document information is based on the sensitivity label and enforcement policy information included in the policy information, the enforcement policy information defining details of control for the document information based on the sensitivity label; and enabling or disabling printing for each content of the document information based on the enforcement policy information, wherein a printed matter of the document information includes at least one content of the document information printed as is and at least one content of the document information masked so that the masked content cannot be recognized, wherein the policy information is acquired from a policy server.
16. A method, comprising: detecting a predetermined operation input related to accessing document information using a hardware processor of a computer system; extracting a content of the document information in response to detection of the predetermined operation; acquiring policy information comprising labeling policy information and enforcement policy information, the labeling policy information representing a relationship between the content and a sensitivity label and the enforcement policy information defining details of control for the document information based on the sensitivity label; determining the sensitivity label of the document information by determining the sensitivity label corresponding to the content based on the policy information in response to extraction of the content; performing execution control for the document information in response to the determination of the sensitivity label, wherein the execution control for the document information is based on the sensitivity label and enforcement policy information included in the policy information, the enforcement policy information defining details of control for the document information based on the sensitivity label; and enabling or disabling printing for each content of the document information based on the enforcement policy information, wherein a printed matter of the document information includes at least one content of the document information printed as is and at least one content of the document information masked so that the masked content cannot be recognized, wherein the policy information is acquired from a policy server. 20. The method as recited in claim 16 , further comprising acquiring positional information, and wherein the sensitivity label of the content is determined based on the positional information and the policy information.