摘要:
Systems and method for determining level of expertise are described. In some aspects, set of queries are stored. Each query is associated with subject and operator who attempts to solve query. Subject is one of plural subjects. Operator is one of plural operators. For each operator/subject combination where operator attempted to solve query associated with subject, non-normalized level of expertise of the operator for the subject is determined. For first subject from plural subjects, difficulty level for subject is determined. For first operator who has solved queries associated with first subject, normalized level of expertise of first operator for first subject is determined. Normalized level of expertise of first operator for first subject is stored.
摘要:
Methods and systems of authenticating a plurality of users for access to an on-line group activity are described. The systems and methods prevent overloading of any participant's computer due to authentication. In some configurations, multiple endpoints are designated as authenticators and requests for authentication are load balanced amongst the authenticators.
摘要:
Methods and systems for controlling access to objects of a distributed computing environment are described. In one configuration, a computing device receives a request from a principal to access a protected object and evaluating the transitive closure of the list of group identifiers. The protected object is associated with an access control list and has a time-invariant list of group identifiers. The list of group identifiers includes the access list is associated with the protected object to identify at least one principal authorized to access the protected object.