Why is problem-dependent and high-level representation scheme better in a genetic algorithm?

Sam Chung, Rafael Perez. Why is problem-dependent and high-level representation scheme better in a genetic algorithm?. In SAC. pages 239-246, 1997. [doi]

@inproceedings{ChungP97,
  title = {Why is problem-dependent and high-level representation scheme better in a genetic algorithm?},
  author = {Sam Chung and Rafael Perez},
  year = {1997},
  doi = {10.1145/331697.331747},
  url = {http://doi.acm.org/10.1145/331697.331747},
  researchr = {https://researchr.org/publication/ChungP97},
  cites = {0},
  citedby = {0},
  pages = {239-246},
  booktitle = {SAC},
}