In one embodiment, a method includes receiving a first selection, from a user, indicative of a first concept, the first concept being defined by the presence or absence of a text string in an unstructured data object or a data code stored in a structured data object. The method further includes receiving a second selection, from a user, the second selection indicative of a second concept, the second concept being defined by the presence or absence of a text string in an unstructured data object or a data code stored in a structured data object. The method further includes determining a relationship between the first concept and the second concept, the relationship based on a number of documents from a plurality of documents that include the first concept and the second concept. The method further includes outputting a visual representation of the relationship to a display.
Please help me write a proper abstract based on the patent claims. CLAIM: 1. A processor-implemented method, comprising: receiving a first selection, from a user, indicative of a first concept, the first concept being defined by the presence or absence of a text string in an unstructured data object or a data code stored in a structured data object; receiving a second selection, from a user, the second selection indicative of a second concept, the second concept being defined by the presence or absence of a text string in an unstructured data object or a data code stored in a structured data object; determining via a processor a relationship between the first concept and the second concept, the relationship based on a number of documents from a plurality of documents that include the first concept and the second concept; and outputting a visual representation of the relationship to a display. 2. The processor-implemented method of claim 1, wherein the relationship is based on the number of documents from the plurality of documents that include the first concept within a specified proximity to the second concept. 3. The processor-implemented method of claim 2, wherein the proximity is within a same paragraph. 4. The processor-implemented method of claim 1, wherein the relationship is based on a first document from the plurality of documents and a second document from the plurality of documents that include the first concept and the second concept, wherein (1) the first document includes a first text string in a first unstructured data object from the first concept and a first text string in a first unstructured data object from the second concept, and (2) the second document includes a second text string in a second unstructured data object from the first concept and a second text string in a second unstructured data object from the second concept. 5. The processor-implemented method claim 4, wherein the first text string in the first unstructured data object from the first concept is different than the second text string in the second unstructured data object from the first concept. 6. The processor-implemented method of claim 1, further comprising: receiving a third selection, from a user, the third selection indicative of a third concept, the third concept being defined by the presence or absence of a text string in an unstructured data object or a data code stored in a structured data object; determining a relationship between the first concept and the third concept, the relationship based on a number of documents from the plurality of documents that include the first concept and the third concept; determining a relationship between the first concept, the second concept, and the third concept, the relationship based on a number of documents from the plurality of documents that include the first concept, the second concept, and the third concept; outputting a visual representation of the relationship between the first concept and the third concept to a display; and outputting a visual representation of the relationship between the first concept, second concept, and the third concept to a display. 7. The processor-implemented method of claim 6, wherein the relationship between the first concept, the second concept, and the third concept is based on the number of documents from the plurality of documents that include the first concept, the second concept, and the third concept within a proximity. 8. A processor-implemented method, comprising: receiving at least one user input indicating a selection of a first concept from a plurality of concepts, the first concept being defined by the presence or absence of a text string in an unstructured data object or a data code stored in a structured data object; the at least one user input indicating a selection of a second concept from the plurality of concepts, the second concept being defined by the presence or absence of a text string in an unstructured data object or a data code stored in a structured data object; the at least one user input indicating a selection of a third concept from the plurality of concepts, the third concept being defined by the presence or absence of a text string in an unstructured data object or a data code stored in a structured data object; and determining via a processor a multilink relationship between the first concept, the second concept, and the third concept, the multilink relationship indicating (1) a strength of a relationship between the first concept and the second concept, and (2) a strength of a relationship between the first concept, the second concept, and the third concept; and displaying a visual representation indicative of the multilink relationship. 9. The processor-implemented method of claim 8, wherein the strength of the relationship between the first concept and the second concept is a numerical value indicative of a number of documents from a plurality of documents that include both the first concept and the second concept. 10. The processor-implemented method of claim 8, wherein the strength of the relationship between the first concept and the second concept is displayed as a line having a weight indicative of a number of documents from a plurality of documents that include both the first concept and the second concept. 11. The processor-implemented method of claim 8, wherein the strength of the relationship between the first concept, the second concept, and the third concept is displayed as a shade of a color indicative of a number of documents from a plurality of documents that includes the first concept, the second concept, and the third concept. 12. The processor-implemented method of claim 8, wherein the at least one user input is a first user input indicating the selection of the first concept, a second user input indicating the selection of the second concept, and a third user input indicating the selection of the third concept. 13. The processor-implemented method of claim 8, further comprising including a fourth concept in the plurality of concepts, the fourth concept being defined by the presence of the first concept, the second concept, and the third concept in an unstructured data object or a data code stored in a structured data object. 14. The processor-implemented method of claim 8, wherein the strength of the relationship between the first concept, the second concept, and the third concept is based on a number of documents from a plurality of documents that includes the first concept, the second concept, and the third concept within a proximity. 15. A non-transitory computer-readable storage medium comprising code representing instructions configured to cause a processor to: select a first concept based on a selection of a first data object from user, the first concept selected from a plurality of concepts; select a second concept based on a selection of a second data object from the user, the second concept from the plurality of concepts; and display a relationship between the first data object and the second data object based on a number of documents from the plurality of documents including the first concept having a predetermined proximity to the second concept. 16. The non-transitory computer-readable storage medium from claim 15, further comprising code to cause a processor to: select a third concept based on a selection of a third data object from the user, the third concept from the plurality of concepts; and display a relationship between the first data object, the second data object, and the third data object based on a number of documents from the plurality of documents including the first concept, the second concept, and the third concept having the predetermined proximity. 17. The non-transitory computer-readable storage medium from claim 15, wherein display the relationship includes displaying a numerical value indicative of the number of documents. 18. The non-transitory computer-readable storage medium from claim 15, wherein display the relationship includes displaying a corpus from the number of documents. 19. The non-transitory computer-readable storage medium from claim 15, wherein displaying the relationship includes displaying a third concept from the plurality of concepts, the third concept being defined by the presence of the first concept and the second concept in a document. 20. The non-transitory computer-readable storage medium from claim 15, wherein the first concept is defined by the presence of a text string in an unstructured data object or a data code stored in a structured data object indicative of either (1) the first data object, or (2) a third data object related to the first data object. 21. A system, comprising: a user input module configured to receive a first selection, from a user, indicative of a first concept, the first concept being defined by the presence or absence of a text string in an unstructured data object, the user input module configured to receive a second selection, from a user, the second selection indicative of a second concept, the second concept being defined by the presence or absence of a text string in an unstructured data object, the user input module configured to receive a third selection, from a user, the third selection indicative of a third concept, the third concept being defined by the presence or absence of a text string in an unstructured data object; a link discovery module operatively coupled to the user input module, link discovery module configured to discover (1) at least one link between the first concept, the second concept, and the third concept, the at least one link based on a number of documents from the plurality of documents that include the first concept, the second concept, and the third concept, and (2) at least one link between: (a) the first concept and the second concept based on a number of documents from the plurality of documents that include the first concept, the second concept, and not the third concept, (b) the first concept and the third concept based on a number of documents from the plurality of documents that include the first concept, the third concept, and not the second concept, or (c) the second concept and the third concept based on a number of documents from the plurality of documents that include the second concept, the third concept, and not the first concept; and a display module operatively coupled to the link discovery module and a display, the display module configured to cause the display to output a visual representation of (A) the at least one link between the first concept, the second concept, and the third concept, and (B) the at least one link between the first concept and the second concept, the first concept and the third concept, or the second concept and the third concept. 22. The system of claim 21, wherein the visual representation of at least one link includes numerical value representative of the number of documents including the concepts corresponding to the link. 23. The system of claim 21, wherein the visual representation of at least one link is displayed as a line having a weight indicative of the number of documents including the concepts corresponding to the link. 24. The system of claim 21, wherein the visual representation of at least one link is a document from the plurality of documents including the corresponding concepts. 25. The system of claim 21, wherein the at least one link between the first concept, the second concept, and the third concept is based on a number of documents from a plurality of documents that include the first concept, the second concept, and the third concept within a specified proximity.