Geoffrey M. Downs

According to our database, Geoffrey M. Downs authored at least 20 papers between 1986 and 2012.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2012

Recent and current developments in handling Markush structures from chemical patents.

John M. Barnard, Geoffrey M. Downs

J. Cheminformatics, 2012

1998

Chemical Similarity Searching.

Peter Willett, John M. Barnard, Geoffrey M. Downs

J. Chem. Inf. Comput. Sci., 1998

1997

Techniques for Generating Descriptive Fingerprints in Combinatorial Libraries.

Geoffrey M. Downs, John M. Barnard

J. Chem. Inf. Comput. Sci., 1997

Chemical Fragment Generation and Clustering Software.

John M. Barnard, Geoffrey M. Downs

J. Chem. Inf. Comput. Sci., 1997

1994

Evaluation of the screening stages of the Sheffield Research Project on Computer Storage and Retrieval of Generic Chemical Structures in Patents.

John D. Holliday, Geoffrey M. Downs, Valerie J. Gillet, Michael F. Lynch, Winfried Dethlefsen

J. Chem. Inf. Comput. Sci., 1994

Similarity Searching and Clustering of Chemical-Structure Databases Using Molecular Property Data.

Geoffrey M. Downs, Peter Willett, William Fisanick

J. Chem. Inf. Comput. Sci., 1994

Hyperstructure model for chemical structure handling: Techniques for substructure searching.

Robert D. Brown, Geoffrey M. Downs, Gareth Jones, Peter Willett

J. Chem. Inf. Comput. Sci., 1994

1993

Computer storage and retrieval of generic chemical structures in patents. 15. Generation of topological fragment descriptors from nontopological representations of generic structure components.

John D. Holliday, Geoffrey M. Downs, Valerie J. Gillet, Michael F. Lynch

J. Chem. Inf. Comput. Sci., 1993

1992

Computer storage and retrieval of generic chemical structures in patents. 14. Fragment generation from generic structures.

John D. Holliday, Geoffrey M. Downs, Valerie J. Gillet, Michael F. Lynch

J. Chem. Inf. Comput. Sci., 1992

Hyperstructure model for chemical structure handling: generation and atom-by-atom searching of hyperstructures.

Robert D. Brown, Geoffrey M. Downs, Peter Willett, Anthony P. F. Cook

J. Chem. Inf. Comput. Sci., 1992

Clustering of chemical structures on the basis of two-dimensional similarity measures.

John M. Barnard, Geoffrey M. Downs

J. Chem. Inf. Comput. Sci., 1992

1991

Computer storage and retrieval of generic chemical structures in patents. 13. Reduced graph generation.

Valerie J. Gillet, Geoffrey M. Downs, John D. Holliday, Michael F. Lynch, Winfried Dethlefsen

J. Chem. Inf. Comput. Sci., 1991

Computer storage and retrieval of generic chemical structures in patents. 12. Principles of search operations involving parameter lists: matching-relations, user-defined match levels, and transition from the reduced graph search to the refined search.

Winfried Dethlefsen, Michael F. Lynch, Valerie J. Gillet, Geoffrey M. Downs, John D. Holliday, John M. Barnard

J. Chem. Inf. Comput. Sci., 1991

Computer storage and retrieval of generic chemical structures in patents. 11. Theoretical aspects of the use of structure languages in a retrieval system.

Winfried Dethlefsen, Michael F. Lynch, Valerie J. Gillet, Geoffrey M. Downs, John D. Holliday, John M. Barnard

J. Chem. Inf. Comput. Sci., 1991

1989

Computer storage and retrieval of generic chemical structures in patents. 10. Assignment and logical bubble-up of ring screens for structurally explicit generics.

Geoffrey M. Downs, Valerie J. Gillet, John D. Holliday, Michael F. Lynch

J. Chem. Inf. Comput. Sci., 1989

Computer storage and retrieval of generic chemical structures in patents. 9. An algorithm to find the extended set of smallest rings in structurally explicit generics.

Geoffrey M. Downs, Valerie J. Gillet, John D. Holliday, Michael F. Lynch

J. Chem. Inf. Comput. Sci., 1989

Theoretical aspects of ring perception and development of the extended set of smallest rings concept.

Geoffrey M. Downs, Valerie J. Gillet, John D. Holliday, Michael F. Lynch

J. Chem. Inf. Comput. Sci., 1989

Review of ring perception algorithms for chemical graphs.

Geoffrey M. Downs, Valerie J. Gillet, John D. Holliday, Michael F. Lynch

J. Chem. Inf. Comput. Sci., 1989

1987

Computer storage and retrieval of generic chemical structures in patents. 8. Reduced chemical graphs and their applications in generic chemical structure retrieval.

Valerie J. Gillet, Geoffrey M. Downs, Ai Ling, Michael F. Lynch, Pallapa Venkataram, Jennifer V. Wood, Winfried Dethlefsen

J. Chem. Inf. Comput. Sci., 1987

1986

Computer storage and retrieval of generic chemical structures in patents. 7. Parallel simulation of a relaxation algorithm for chemical substructure search.

Valerie J. Gillet, Stephen M. Welford, Michael F. Lynch, Peter Willett, John M. Barnard, Geoffrey M. Downs, Gordon A. Manson, J. Thompson

J. Chem. Inf. Comput. Sci., 1986