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    "nodes": [
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            "inputarg": {
                    "tbname1": "Dataviewtable",
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                    "columnArray": ["age","workclass","fwlght","edu","edu_num","married","c","race","sex","gail","loss","work_year","country","incom"]
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            "name": "DataView",
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            "parent": [],
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            "property": [],
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    "workflow_comment": "ml",
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