US Patent 8407215 Text analysis to identify relevant entities

A system includes a data structure comprising a plurality of mesh entities, the data structure associating each of the plurality of mesh entities with a respective name and a respective one or more attribute values, and associating each of the plurality of mesh entities with one or more relations to one or more other ones of the plurality of mesh entities. Some aspects include reception of a file comprising text, identification of text entities from the text, identification of first mesh entities from the plurality of mesh entities based on the identified text entities, determination, for each of the first mesh entities, of a name and one or more attribute values, and determination of a relevance associated with each identified text entity based on the determined name and one or more attribute values.