1. A computer program product for determining a search result, the computer program product comprising: one or more computer-readable tangible storage devices and program instructions stored on at least one of the one or more storage devices, the program instructions comprising: program instructions to tag a plurality of knowledge documents with a plurality of association rules mapping the plurality of knowledge documents to one or more assets in an asset environment, wherein the plurality of association rules include at least one product rule associating an asset identifier with a knowledge document, at least one environment rule associating an environment with a knowledge document, and at least one configuration rule associating an asset configuration with a knowledge document; program instructions to receive from a requestor a search request including a search term; program instructions to transmit an asset context request to a context engine, wherein the context engine maintains a context registry of the plurality of association rules for the one or more assets in the asset environment; program instructions to receive an asset context of an asset environment from the context engine, wherein the asset environment is associated with the requestor, and wherein the asset context includes at least one of an asset identity information, an asset content information, an asset environment information, and an asset configuration information; program instructions to determine a context-aware search result based, at least in part, on the search term, on the asset context, and on information stored in a search index; and program instructions to transmit the context-aware search result to the requestor.