NUL: a Navigational User's Language for a network structured data base

@inproceedings{Deheneffe1976NULAN,
  title={NUL: a Navigational User's Language for a network structured data base},
  author={Claude Deheneffe and Henri Hennebert},
  booktitle={SIGMOD '76},
  year={1976}
}
  • Claude Deheneffe, Henri Hennebert
  • Published in SIGMOD '76 1976
  • Computer Science
  • This paper presents an end-user's language which tries to solve the problem of an easy navigation through a DBTG-like data base structure. A request is expressed in a nonprocedural and hierarchically structured fashion. The dialogue is split into two main parts : first a data context definition, then the manipulations of this context.A context is a part of the data base that the user is concerned with. A context definition is formed by a set of labelled lines; each line is a condition… CONTINUE READING

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