{"title":"浏览会话的查询优化策略","authors":"M. Kersten, M.F.N. deBoer","doi":"10.1109/ICDE.1994.283072","DOIUrl":null,"url":null,"abstract":"This paper describes techniques and experimental results to obtain response time improvement for a browsing session, i.e. a sequence of interrelated queries to locate a subset of interest. The optimization technique exploits symbolic analysis of the query interdependencies and retention of (partial) query answers. A prototype browsing session optimizer (BSO) has been constructed that runs as a front-end to the Ingres relational system. Based on the experiments reported, we propose to extend (existing) DBMSs with a mechanism to keep and reuse small answers by default. Such investments quickly pay off in sessions with interrelated queries.<<ETX>>","PeriodicalId":142465,"journal":{"name":"Proceedings of 1994 IEEE 10th International Conference on Data Engineering","volume":"6 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1994-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"8","resultStr":"{\"title\":\"Query optimization strategies for browsing sessions\",\"authors\":\"M. Kersten, M.F.N. deBoer\",\"doi\":\"10.1109/ICDE.1994.283072\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper describes techniques and experimental results to obtain response time improvement for a browsing session, i.e. a sequence of interrelated queries to locate a subset of interest. The optimization technique exploits symbolic analysis of the query interdependencies and retention of (partial) query answers. A prototype browsing session optimizer (BSO) has been constructed that runs as a front-end to the Ingres relational system. Based on the experiments reported, we propose to extend (existing) DBMSs with a mechanism to keep and reuse small answers by default. Such investments quickly pay off in sessions with interrelated queries.<<ETX>>\",\"PeriodicalId\":142465,\"journal\":{\"name\":\"Proceedings of 1994 IEEE 10th International Conference on Data Engineering\",\"volume\":\"6 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1994-02-14\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"8\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of 1994 IEEE 10th International Conference on Data Engineering\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICDE.1994.283072\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of 1994 IEEE 10th International Conference on Data Engineering","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICDE.1994.283072","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Query optimization strategies for browsing sessions
This paper describes techniques and experimental results to obtain response time improvement for a browsing session, i.e. a sequence of interrelated queries to locate a subset of interest. The optimization technique exploits symbolic analysis of the query interdependencies and retention of (partial) query answers. A prototype browsing session optimizer (BSO) has been constructed that runs as a front-end to the Ingres relational system. Based on the experiments reported, we propose to extend (existing) DBMSs with a mechanism to keep and reuse small answers by default. Such investments quickly pay off in sessions with interrelated queries.<>
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