JAVELIN: A Flexible, Planner-Based Architecture for Question Answering 
 The JAVELIN system integrates a flexible, planning-based architecture with a variety of language processing modules to provide an open-domain question answering capability on free text . The demonstration will focus on how JAVELIN processes questions and retrieves the most likely answer candidates from the given text corpus . The operation of the system will be explained in depth through browsing the repository of data objects created by the system during each question answering session . 