| Abstract | .... 2 | |
| 1 | Introduction | .... 3 |
| 2 | Computation model of Cocurrent Plorog | .... 4 |
| 3 | Key issues of implementation of Cocurrent Prolog | .... 6 |
| 4 | Realization of Multiple environments by the shallow binding scheme | .... 8 |
| 4.1 | Shallow binding and environment switch | .... 8 |
| 4.2 | Value access contorol | .... 11 |
| 4.3 | Deferencing Algorithm | .... 13 |
| 4.4 | Commitment | .... 15 |
| 5 | Discussion | .... 16 |
| 5.1 | Advantage of the shallow binding scheme | .... 18 |
| 5.2 | Disadvantages of the shallow binding scheme | .... 19 |
| 6 | Conclusion | .... 19 |
| 7 | Acknowledgements | .... 20 |
| 8 | References | .... 20 |
| End | .... 21 |
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