1990 | ||
---|---|---|
3 | Daniel Ratner, Manfred K. Warmuth: NxN Puzzle and Related Relocation Problem. J. Symb. Comput. 10(2): 111-138 (1990) | |
1986 | ||
2 | Daniel Ratner, Manfred K. Warmuth: Finding a Shortest Solution for the N × N Extension of the 15-PUZZLE Is Intractable. AAAI 1986: 168-172 | |
1 | Daniel Ratner, Ira Pohl: Joint and LPA*: Combination of Approximation and Search. AAAI 1986: 173-177 |
1 | Ira Pohl | [1] |
2 | Manfred K. Warmuth | [2] [3] |