---
title: "Use of Data Representation Mapping in Automatic Generation of Data Base Access Procedures"
authors:
  - "Koichi Furukawa"
doi: ""
url: "https://ijcai.org/proceedings/1981/193"
pdf: "https://ijcai.org/proceedings/1981/0193.pdf"
venue: "Proceedings of the Seventh International Joint Conference on Artificial Intelligence"
year: 1981
pages: "1010-1014"
track: "Automatic Programming"
keywords:
---

# Use of Data Representation Mapping in Automatic Generation of Data Base Access Procedures

Koichi Furukawa

*Proceedings of the Seventh International Joint Conference on Artificial Intelligence*, pages 1010-1014.

## Abstract

Formal definitions of data structure mappings are given and are used to transform relational algebraic formula into data base access procedures which search a formally defined data structure. Especially, a hierarcical data structure is introduced to represent a set of relations which are inherently hierarchical. A retrieval procedure using data accesses along a two level hierarchy is obtained from an original formula on flat relations by applying equivalence transformation rules and data representation mappings.