1. A method for capturing information for a data structure, wherein the information selectively pertains to Web application programming interfaces (APIs) and to users of Web APIs, and the method comprises the steps of: identifying a first set of relationships, wherein an identified relationship can be at least a relationship between a Web API and a Web API user, a relationship between different Web API users, or a relationship between different Web APIs; furnishing the first set of relationships to the data structure as first captured information; using the first captured information to perform a specified analysis operation; and prior to or during performance of the specified analysis operation, adding second information to the data structure, wherein the added second information includes at least one of a user, a Web API, or a relationship that is not included in the first captured information, and the added second information does not affect performance of the specified analysis operation.