Advances in Information Systems Science

1 A Survey of File Organizations and Performance.- 1. Introduction.- 2. Primary Key File Organizations.- 3. Secondary Key File Organizations.- 4. Complex File and Data Base Structures.- 5. Summary.- References and Bibliography.- 2 Linked Forest Manipulation Systems—A Tool for Computational Semantics.- 1. Introduction.- 2. Tree and Linked Forest Manipulation Systems.- 3. Describing a Programming Language Formally.- 4. Formalism for Linked Forest Manipulation Systems.- 5. Model for Formal Description of Programming Languages.- 6. Examples.- References.- 3 Software Development for Digital Control.- 1. Introduction.- 2. Hardware.- 3. Development of Digital Algorithms.- 4. Implementation Considerations.- 5. Software.- 6. Conclusions.- References.- 4 Clustering Analysis and Its Applications.- 1. Introduction.- 2. Distance Functions.- 3. Clustering Analysis—Graph Theoretical Approach.- 4. Visual Clustering Analysis.- 5. A Review of Clustering Analysis Techniques Discussed.- 6. Clustering Analysis and Storage Reduction.- 7. Clustering Analysis and Nearest Neighbor Searching.- 8. Clustering Analysis and Partial Match Searching.- 9. Clustering Analysis and the Program Restructuring Problem.- 10. Concluding Remarks and Directions for Future Research.- References.- 5 An Introduction to Geometric Modeling and Its Applications in Mechanical Design and Production.- 1. Introduction.- 2. Models and Representations for Rigid Solid Objects.- 3. Properties of Solid Objects.- 4. Object-Modifying Processes.- 5. Conclusions.- References.