AQUA: Query Visualization for the NCSTRL Digital Library

@inproceedings{Kovcs1999AQUAQV,
  title={AQUA: Query Visualization for the NCSTRL Digital Library},
  author={L{\'a}szl{\'o} Kov{\'a}cs and Andr{\'a}s Micsik and Bal{\'a}zs E. Pataki},
  booktitle={ACM DL},
  year={1999}
}
AQUA is a prototype implementation of a general user interface paradigm which is capable of modelling iterative query re nement and embedding several common and advanced query techniques. AQUA has been applied to the NCSTRL (Networked Computer Science Technical Reports Library) distributed digital library.