Abstract: Output is obtained from a remote computer function on a first set of arguments. Responsive to determining that the output exhibits an error, a fixer routine, other than a retry, is applied to the arguments to produce new arguments. Output is obtained from the remote computer function on the new arguments. In a case where the output from the remote computer function on the new arguments is acceptable, the output from the remote computer function on the new arguments is used as a corresponding output from the remote computer function on the first set of arguments. These steps can advantageously be carried out without modifying program code of the remote computer function and without access to the program code of the remote computer function; for example, by a wrapper which black-box wraps the remote computer function.

Abstract: Output is obtained from a remote computer function on a first set of arguments. Responsive to determining that the output exhibits an error, a fixer routine, other than a retry, is applied to the arguments to produce new arguments. Output is obtained from the remote computer function on the new arguments. In a case where the output from the remote computer function on the new arguments is acceptable, the output from the remote computer function on the new arguments is used as a corresponding output from the remote computer function on the first set of arguments. These steps can advantageously be carried out without modifying program code of the remote computer function and without access to the program code of the remote computer function; for example, by a wrapper which black-box wraps the remote computer function.

Abstract: Relational data is extracted from spreadsheets. A relational data extraction program is synthesized, where this synthesized program is consistent with examples of relational data associated with a spreadsheet. The synthesized program is executed on the spreadsheet, which extracts a set of tuples therefrom that is consistent with these examples, and generates a table that includes the extracted set of tuples. A program is received that specifies a set of constraints defining relational data to be extracted from a spreadsheet, where this set of constraints includes cell constraints and spatial constraints. The received program is executed on the spreadsheet, which extracts a set of tuples therefrom that is consistent with the set of constraints, and generates a table that includes the extracted set of tuples.