CLAF: Solving intention violation of step-wise operations in CAD groupware
Operations in CoAutoCAD systems are either single-step or step-wise. Single-step operations (such as Line, Box, etc.) are completed in one step, while step-wise operations (such as Mirror, Array, etc.) take several continuous or discrete steps and in some scenarios (such as Copy–Paste), and the numb...
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| Published in | Advanced engineering informatics Vol. 24; no. 2; pp. 121 - 137 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | English |
| Published |
Elsevier Ltd
01.04.2010
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| Online Access | Get full text |
| ISSN | 1474-0346 1873-5320 |
| DOI | 10.1016/j.aei.2009.07.003 |
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| Abstract | Operations in CoAutoCAD systems are either single-step or step-wise. Single-step operations (such as Line, Box, etc.) are completed in one step, while step-wise operations (such as Mirror, Array, etc.) take several continuous or discrete steps and in some scenarios (such as Copy–Paste), and the number of steps may not be known beforehand. Therefore, during the execution process, the intention of step-wise operations may be violated by concurrent operations coming from remote sites. This paper investigates the problem of intention violation and proposes to maintain the semantic intention of operations by introducing a novel approach called CLAF (Check Last Avoid Future) to solve previous violations while avoiding future violations using newly-updated document status. To infer the execution formats of causally-ready operations, VT transformation function is introduced to extend the GOTO algorithm so as to reflect the influence of one operation on another. An integrated example analysis is provided to demonstrate the effectiveness of our strategy. |
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| AbstractList | Operations in CoAutoCAD systems are either single-step or step-wise. Single-step operations (such as Line, Box, etc.) are completed in one step, while step-wise operations (such as Mirror, Array, etc.) take several continuous or discrete steps and in some scenarios (such as Copy–Paste), and the number of steps may not be known beforehand. Therefore, during the execution process, the intention of step-wise operations may be violated by concurrent operations coming from remote sites. This paper investigates the problem of intention violation and proposes to maintain the semantic intention of operations by introducing a novel approach called CLAF (Check Last Avoid Future) to solve previous violations while avoiding future violations using newly-updated document status. To infer the execution formats of causally-ready operations, VT transformation function is introduced to extend the GOTO algorithm so as to reflect the influence of one operation on another. An integrated example analysis is provided to demonstrate the effectiveness of our strategy. |
| Author | Lu, Tun Gao, Liping Gu, Ning |
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| CitedBy_id | crossref_primary_10_1016_j_procir_2016_04_131 crossref_primary_10_3390_sym9040059 crossref_primary_10_1016_j_aei_2018_08_008 crossref_primary_10_1016_j_compeleceng_2015_06_021 |
| Cites_doi | 10.1145/274444.274447 10.1145/1031607.1031682 10.1145/66926.66963 10.1145/289444.289469 10.1016/j.aei.2007.09.003 10.1016/j.aei.2006.05.006 10.1145/1031607.1031681 10.1016/j.aei.2005.05.005 10.1145/1031607.1031683 10.1145/500286.500303 10.1145/1031607.1031621 10.1145/1099203.1099250 10.1145/320297.320312 10.1007/1-4020-4023-7_10 10.1145/1180875.1180918 10.1145/1031607.1031636 |
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