M. Casanova, Tanara Lauschner, Luiz André Portes Paes Leme, K. Breitman, A. Furtado, V. Vidal
{"title":"中介模式约束的建模","authors":"M. Casanova, Tanara Lauschner, Luiz André Portes Paes Leme, K. Breitman, A. Furtado, V. Vidal","doi":"10.1109/ECBS.2010.52","DOIUrl":null,"url":null,"abstract":"In this paper, we address the problem of modeling the constraints of a mediated schema. We argue that, from the point of view of an application that processes the results of queries defined over the mediated schema, the constraints should be modeled as the greatest lower bound of the constraints of the export schemas, after appropriate translation to a common vocabulary. This assures that the application will correctly interpret query results.","PeriodicalId":356361,"journal":{"name":"2010 17th IEEE International Conference and Workshops on Engineering of Computer Based Systems","volume":"35 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2010-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"Modeling the Mediated Schema Constraints\",\"authors\":\"M. Casanova, Tanara Lauschner, Luiz André Portes Paes Leme, K. Breitman, A. Furtado, V. Vidal\",\"doi\":\"10.1109/ECBS.2010.52\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, we address the problem of modeling the constraints of a mediated schema. We argue that, from the point of view of an application that processes the results of queries defined over the mediated schema, the constraints should be modeled as the greatest lower bound of the constraints of the export schemas, after appropriate translation to a common vocabulary. This assures that the application will correctly interpret query results.\",\"PeriodicalId\":356361,\"journal\":{\"name\":\"2010 17th IEEE International Conference and Workshops on Engineering of Computer Based Systems\",\"volume\":\"35 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2010-03-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2010 17th IEEE International Conference and Workshops on Engineering of Computer Based Systems\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ECBS.2010.52\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2010 17th IEEE International Conference and Workshops on Engineering of Computer Based Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ECBS.2010.52","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
In this paper, we address the problem of modeling the constraints of a mediated schema. We argue that, from the point of view of an application that processes the results of queries defined over the mediated schema, the constraints should be modeled as the greatest lower bound of the constraints of the export schemas, after appropriate translation to a common vocabulary. This assures that the application will correctly interpret query results.
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