A system calculates a first ratio of a prediction error variance of a model of a controller error, and the lesser of a variance of a prediction error of a na\xefve predictor model and a variance of a controller error. Queries are sent to search engine services and responses comprising snippets are returned. During insertion into a vaginal canal, the inflation member is inserted in a contracted state. An intellectual property portal or hub is employed, which in some realizations is hosted on a public, packet switched data network and communicates with both applicants and associates. 5% to 35% by mass, and wherein the material is capable of forming: diopside, CaMgSi2O6, as crystals; and at least one of hardestnite, Ca2ZnSiO7, and willemite, Zn2SiO4, as crystals; and a sintered glass ceramics, comprising: diopside, CaMgSi2O6, as crystals; and at least one of hardestnite, Ca2ZnSiO7, and willemite, Zn2SiO4, as crystals. 4 DBPA and capable of increasing the frictional force without impairing the hysteresis loss.