2. The method of claim 1 , wherein the plurality of concepts in the first KR is a first plurality of concepts, wherein the identified group of one or more concepts is a first group of one or more concepts relevant to the user context information, wherein the customized module is a first customized module, and wherein the method further comprises: identifying, based on a second plurality of concepts in the second KR, a second group of one or more concepts relevant to the user context information; providing the identified second group of one or more concepts to the user, wherein the second KR includes a combination of the kernel and a second customized module, the second customized module being customized for the user.
2. The method of claim 1 , wherein the plurality of concepts in the first KR is a first plurality of concepts, wherein the identified group of one or more concepts is a first group of one or more concepts relevant to the user context information, wherein the customized module is a first customized module, and wherein the method further comprises: identifying, based on a second plurality of concepts in the second KR, a second group of one or more concepts relevant to the user context information; providing the identified second group of one or more concepts to the user, wherein the second KR includes a combination of the kernel and a second customized module, the second customized module being customized for the user. 4. The method of claim 2 , wherein the first customized module includes a first concept and/or first relationship relevant to first activity of the user, and the second customized module includes a second concept and/or second relationship relevant to second activity of the user.