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Chemical Literature Data Extraction: The CLiDE project

P. Ibison, M. Jacquot, F. Kam, A. G. Neville, R. W. Simpson, C. Tonnelier, T. Venczel, A. Peter Johnson
School of Chemistry
University of Leeds
Leeds, LS2 9JT
United Kingdom
Published in:
J. Chem. Inf. Comput. Sci.
1993, 33, pp 339-344

Chemical information, especially that concerning chemical reactions, is becoming increasingly available in a variety of computer-readable databases. CLiDE (Chemical Literature Data Extraction) is a new software project to help solve the problem of building substance and reaction databases. CLiDE uses a combination of imaging and artificial intelligence techniques to recognize a range of chemical diagrams and extract the information they contain. The steps necessary to transform a chemical structure drawing into a computer-readable output are detailed. Several examples are given to illustrate the scope of the current work.