θ-improved limited tolerance relation model of incomplete information system for evaluation of water conservancy project management modernization
The modernization of water conservancy project management is a complicated engineering system involving a management system, a management method, management personnel, the exertion of social, economic, and ecological effects, and so on. However, indices for evaluating the modernization of water cons...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2013-10-01
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| Series: | Water Science and Engineering |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S167423701530260X |
| _version_ | 1811337967962161152 |
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| author | Yu-qin Gao Guo-hua Fang Ya-qin Liu |
| author_facet | Yu-qin Gao Guo-hua Fang Ya-qin Liu |
| author_sort | Yu-qin Gao |
| collection | DOAJ |
| description | The modernization of water conservancy project management is a complicated engineering system involving a management system, a management method, management personnel, the exertion of social, economic, and ecological effects, and so on. However, indices for evaluating the modernization of water conservancy project management are usually unobtainable in practical applications. Conducting appropriate extension of the classical rough set theory and then applying it to an incomplete information system are the key to the application of the rough set theory. Based on analysis of some extended rough set models in incomplete information systems, a rough set model based on the θ-improved limited tolerance relation is put forward. At the same time, upper approximation and lower approximation are defined under this improved relation. According to the evaluation index system and management practices, the threshold for θ is defined. An example study indicates the practicability and maneuverability of the model. |
| first_indexed | 2024-04-13T18:02:43Z |
| format | Article |
| id | doaj.art-8199dc81268041dfae300523dc882b4b |
| institution | Directory Open Access Journal |
| issn | 1674-2370 |
| language | English |
| last_indexed | 2024-04-13T18:02:43Z |
| publishDate | 2013-10-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Water Science and Engineering |
| spelling | doaj.art-8199dc81268041dfae300523dc882b4b2022-12-22T02:36:11ZengElsevierWater Science and Engineering1674-23702013-10-016446947710.3882/j.issn.1674-2370.2013.04.010θ-improved limited tolerance relation model of incomplete information system for evaluation of water conservancy project management modernizationYu-qin GaoGuo-hua FangYa-qin LiuThe modernization of water conservancy project management is a complicated engineering system involving a management system, a management method, management personnel, the exertion of social, economic, and ecological effects, and so on. However, indices for evaluating the modernization of water conservancy project management are usually unobtainable in practical applications. Conducting appropriate extension of the classical rough set theory and then applying it to an incomplete information system are the key to the application of the rough set theory. Based on analysis of some extended rough set models in incomplete information systems, a rough set model based on the θ-improved limited tolerance relation is put forward. At the same time, upper approximation and lower approximation are defined under this improved relation. According to the evaluation index system and management practices, the threshold for θ is defined. An example study indicates the practicability and maneuverability of the model.http://www.sciencedirect.com/science/article/pii/S167423701530260Xmodernization of water conservancy project managementθ-improved limited tolerance relation modelupper and lower approximationsthreshold |
| spellingShingle | Yu-qin Gao Guo-hua Fang Ya-qin Liu θ-improved limited tolerance relation model of incomplete information system for evaluation of water conservancy project management modernization Water Science and Engineering modernization of water conservancy project management θ-improved limited tolerance relation model upper and lower approximations threshold |
| title | θ-improved limited tolerance relation model of incomplete information system for evaluation of water conservancy project management modernization |
| title_full | θ-improved limited tolerance relation model of incomplete information system for evaluation of water conservancy project management modernization |
| title_fullStr | θ-improved limited tolerance relation model of incomplete information system for evaluation of water conservancy project management modernization |
| title_full_unstemmed | θ-improved limited tolerance relation model of incomplete information system for evaluation of water conservancy project management modernization |
| title_short | θ-improved limited tolerance relation model of incomplete information system for evaluation of water conservancy project management modernization |
| title_sort | θ improved limited tolerance relation model of incomplete information system for evaluation of water conservancy project management modernization |
| topic | modernization of water conservancy project management θ-improved limited tolerance relation model upper and lower approximations threshold |
| url | http://www.sciencedirect.com/science/article/pii/S167423701530260X |
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