... and layout. To cover a large range of styles, many patterns must be made avail- able to the generator, even though only a fraction are relevant for a particular company and a partic- ular knowledge ... Hofmann. 1989. Paragraphs and anaphora. Journal of Pragmatics, 13:239 250. H. Horacek. 1997. An algorithm for generat- ing referential descriptions with flexible inter- faces. In 35th Annual ... If a discourse men- tions a book, potential referring expressions in- clude 'it', &apos ;a book', 'the book', 'another book', 'the second book', along...