Giovanni Corrado Melchiore Wiederhold (June 24, 1936 – December 26, 2022) was an Italian-born American computer scientist who spent most of his career at Stanford University.
Wiederhold worked on computations of short-range missile trajectories at NATO's Air Defense Technical Center (SADTC) in Wassenaar near The Hague in 1958.
Projects at IBM included developing numerical methods for computing the power (specific impulse) of solid rocket fuel combustion in 1959, and inserting alphabetic I/O capability into FORTRAN compilers to allow output of chemical equations in 1960.
[1] In 1962 at the University of California, Berkeley he developed an incremental compiling technology, with a flexibility close to interpreted code, while running at high speed.
The next year he worked on real-time data-acquisition control and data analysis using coupled computers for clinical research, and in 1970 on transposed storage (now termed a Column-oriented DBMS) for databases for very-high speed on-line analytical processing, also at the medical school.
[5] A visible component is the Digital Library effort, which was delegated to National Science Foundation; the research has opened up new Internet application fields, and funded projects such as Google .
He authored and coauthored more than 400 published papers and reports on computing and medicine and served as the associate editor or editor-in-chief of ACM's Transactions on Database Systems (TODS) from 1982 to 1992.