Goal-directed debugging of spreadsheets

@article{Abraham2005GoaldirectedDO,
  title={Goal-directed debugging of spreadsheets},
  author={Robin Abraham and Martin Erwig},
  journal={2005 IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC'05)},
  year={2005},
  pages={37-44}
}
We present a semi-automatic debugger for spreadsheet systems that is specifically targeted at end-user programmers. Users can report expected values for cells that yield incorrect results. The system then generates change suggestions that could correct the error. Users can interactively explore, apply, refine, or reject these change suggestions. The computation of change suggestions is based on a formal inference system that propagates expected values backwards across formulas. The system is… CONTINUE READING
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