Concepedia

J. R. Ullmann

JR

9

Publications

2.5K

Citations

9

H-Index

1969

Active since

Affiliations

National Physical Laboratory(Current)

J. R. Ullmann is an author at National Physical Laboratory specializing in engineering, computer science, and pattern recognition.

Top concepts

EngineeringComputer SciencePattern RecognitionBiometricsData ScienceImage AnalysisKnowledge DiscoveryBusinessGraph TheoryMachine Vision

Publications per year

1969–2010

9

Publications

9

An Algorithm for Subgraph Isomorphism

J. R. Ullmann · Journal of the ACM · 1976 · 2.2K citations · Full text

Engineering, Network Analysis, Computational Complexity +16

Bit-vector algorithms for binary constraint satisfaction and subgraph isomorphism

J. R. Ullmann · ACM Journal of Experimental Algorithmics · 2010 · 92 citations · Full text

Mathematical Programming, Engineering, Computational Complexity +19

Experiments with the n-tuple Method of Pattern Recognition

J. R. Ullmann · IEEE Transactions on Computers · 1969 · 59 citations

Machine Vision, Image Analysis, Data Science +14

Automatic selection of reference data for use in a nearest-neighbor method of pattern classification (Corresp.)

J. R. Ullmann · IEEE Transactions on Information Theory · 1974 · 25 citations

Engineering, Machine Learning, Small-scale Experimentation +20

Binarization using associative addressing

J. R. Ullmann · Pattern Recognition · 1974 · 20 citations

Associative Addressing, Machine Vision, Image Analysis +7

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