One of the major challenges in TRECstyle question-answering (QA) is to overcome the mismatch in the lexical representations in the query space and document space. This is particul...
The Pathfinder project makes inventive use of relational database technology--originally developed to process data of strictly tabular shape--to construct efficient database-suppo...
: Information-filtering systems constitute a critical component of modern information-seeking applications. As the number of users grows and the amount of information available bec...
We consider continuous quantities that are used to describe the physical world, such as colour, shape, sound, texture, and spatial and temporal arrangements. Natural languages are...
Past research has identified many different types of relevance in information retrieval (IR). So far, however, most evaluation of IR systems has been through batch experiments cond...