...). We describe the Okapi algorithm used in section 4, but first we give an overview of what passage retrieval actually is and the context in which we use it. Passage retrieval can take on a number of forms and we list some examples here: Text retrieval Retrieval performance evaluation Computers...

... of various kinds ± in fact to almost any kind of computer‐based text system that needs hyping up for marketing purposes. The future prospects for the electronic book are examined in this article. Electronic books Text retrieval Book publishing Electronic books Tony Cawkell Cawkell Information...