18. A computerized method for presenting search results to a user having regions highlighted therein that are relevant to a conceptual meaning of a query, the method comprising: employing a query conditioning pipeline to derive a proposition from a query, wherein deriving comprises: (a) receiving a query having search terms therein; (b) determining a low-level grammatical function served by the one or more search terms within the query by analyzing a semantic relationship between the one or more search terms; (c) identifying at least one role that corresponds to the determined function, wherein the at least one role represents a high-level purpose of the one or more search terms that is derived from the low-level grammatical function; and (d) distilling a proposition from the one or more search terms, wherein the proposition represents a logical meaning of content within the query; employing an indexing pipeline to derive semantic representations from at least one document, wherein deriving comprises: (a) accessing the at least one document, wherein the document comprises passages of content; (b) parsing functional structures from the content of the passages; and (c) converting the functional structures to the semantic representations for storage within a semantic index; comparing the proposition and the at least one role against the semantic representations held in the semantic index to determine a matching set; identifying the passages that are mapped to the matching set of semantic representations; selecting regions of content within the identified passages from which the matching set of semantic representations are derived; imposing highlighting on a sequence of words encompassed by the regions; and revealing the highlighted sequence of words to the user on a user interface (UI) display within a listing of the search results relevant to the query.
18. A computerized method for presenting search results to a user having regions highlighted therein that are relevant to a conceptual meaning of a query, the method comprising: employing a query conditioning pipeline to derive a proposition from a query, wherein deriving comprises: (a) receiving a query having search terms therein; (b) determining a low-level grammatical function served by the one or more search terms within the query by analyzing a semantic relationship between the one or more search terms; (c) identifying at least one role that corresponds to the determined function, wherein the at least one role represents a high-level purpose of the one or more search terms that is derived from the low-level grammatical function; and (d) distilling a proposition from the one or more search terms, wherein the proposition represents a logical meaning of content within the query; employing an indexing pipeline to derive semantic representations from at least one document, wherein deriving comprises: (a) accessing the at least one document, wherein the document comprises passages of content; (b) parsing functional structures from the content of the passages; and (c) converting the functional structures to the semantic representations for storage within a semantic index; comparing the proposition and the at least one role against the semantic representations held in the semantic index to determine a matching set; identifying the passages that are mapped to the matching set of semantic representations; selecting regions of content within the identified passages from which the matching set of semantic representations are derived; imposing highlighting on a sequence of words encompassed by the regions; and revealing the highlighted sequence of words to the user on a user interface (UI) display within a listing of the search results relevant to the query. 19. The method of claim 18 , wherein imposing highlighting on the sequence of words comprises: imposing a first type of typographic technique to emphasize the sequence of words within the region, wherein the emphasized region encompasses words that literally match at least one, but not all, of the search terms included in the query, and wherein the emphasized region encompasses words that are absent from the search terms of the query; and imposing a second type of typographic technique to emphasize words that provide context for, or modify, the sequence of words within the region.