2. The information retrieval system of claim 1, wherein said development system comprises: a software development system for creating said database index utilizing a pattern dictionary that includes synonyms and skip words and a morphosyntactic dictionary that includes morphological and syntactic information for words in the natural language of the language-based database and natural language query.
2. The information retrieval system of claim 1, wherein said development system comprises: a software development system for creating said database index utilizing a pattern dictionary that includes synonyms and skip words and a morphosyntactic dictionary that includes morphological and syntactic information for words in the natural language of the language-based database and natural language query. 3. The information retrieval system of claim 2, wherein said retrieval system comprises: a natural language interface system for creating said one or more query keywords utilizing said pattern dictionary and said morphosyntactic dictionary; and a query-index matcher for matching said one or more query keywords with said one or more database keywords.