Nearness and cooperative query answering

  title={Nearness and cooperative query answering},
  author={M. A. Merzbacher},
A cooperative query answering (CQA) system behaves like a conventional data-base system when queries can be answered normally, and tries to find an approximate answer when the original query condition cannot be matched exactly. One approach to locating approximate answers efficiently is to employ abstraction hierarchies. Using these hierarchies has several shortcomings, which are overcome by adding a measure of semantic nearness to the them. The measure indicates the semantic proximity between… CONTINUE READING