Rule-based optimizers are extensible because they consist of modifiable sets of rules. For modification to be straightforward, rules must be easily reasoned about (i.e., understood and verified). A...
{"title":"Changing the rules","authors":"CherniackMitch, ZdonikStan","doi":"10.1145/276305.276311","DOIUrl":"https://doi.org/10.1145/276305.276311","url":null,"abstract":"Rule-based optimizers are extensible because they consist of modifiable sets of rules. For modification to be straightforward, rules must be easily reasoned about (i.e., understood and verified). A...","PeriodicalId":49524,"journal":{"name":"Sigmod Record","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"1998-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/276305.276311","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64168987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Data warehouses contain large amounts of information, often collected from a variety of independent sources. Decision-support functions in a warehouse, such as on-line analytical processing (OLAP),...
{"title":"Maintenance of data cubes and summary tables in a warehouse","authors":"MumickInderpal Singh, QuassDallan, MumickBarinderpal Singh","doi":"10.7551/mitpress/4472.003.0031","DOIUrl":"https://doi.org/10.7551/mitpress/4472.003.0031","url":null,"abstract":"Data warehouses contain large amounts of information, often collected from a variety of independent sources. Decision-support functions in a warehouse, such as on-line analytical processing (OLAP),...","PeriodicalId":49524,"journal":{"name":"Sigmod Record","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"1997-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71238846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
We consider the problem of analyzing market-basket data and present several important contributions. First, we present a new algorithm for finding large itemsets which uses fewer passes over the da...
{"title":"Dynamic itemset counting and implication rules for market basket data","authors":"S. Brin, R. Motwani, J. Ullman, S. Tsur","doi":"10.1145/253262.253325","DOIUrl":"https://doi.org/10.1145/253262.253325","url":null,"abstract":"We consider the problem of analyzing market-basket data and present several important contributions. First, we present a new algorithm for finding large itemsets which uses fewer passes over the da...","PeriodicalId":49524,"journal":{"name":"Sigmod Record","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"1997-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/253262.253325","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64152893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
We study a set of linear transformations on the Fourier series representation of a sequence that can be used as the basis for similarity queries on time-series data. We show that our set of transfo...
{"title":"Similarity-based queries for time series data","authors":"RafieiDavood, MendelzonAlberto","doi":"10.1145/253262.253264","DOIUrl":"https://doi.org/10.1145/253262.253264","url":null,"abstract":"We study a set of linear transformations on the Fourier series representation of a sequence that can be used as the basis for similarity queries on time-series data. We show that our set of transfo...","PeriodicalId":49524,"journal":{"name":"Sigmod Record","volume":"11 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"1997-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/253262.253264","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64152885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Decision support applications are growing in popularity as more business data is kept on-line. Such applications typically include complex SQL queries that can test a query optimizer's ability to p...
{"title":"Fundamental techniques for order optimization","authors":"SimmenDavid, ShekitaEugene, MalkemusTimothy","doi":"10.1145/235968.233320","DOIUrl":"https://doi.org/10.1145/235968.233320","url":null,"abstract":"Decision support applications are growing in popularity as more business data is kept on-line. Such applications typically include complex SQL queries that can test a query optimizer's ability to p...","PeriodicalId":49524,"journal":{"name":"Sigmod Record","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"1996-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/235968.233320","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64143910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Rule-based optimizers and optimizer generators use rules to specify query transformations. Rules act directly on query representations, which typically are based on query algebras. But most algebra...
{"title":"Rule languages and internal algebras for rule-based optimizers","authors":"CherniackMitch, B. ZdonikStanley","doi":"10.1145/235968.233356","DOIUrl":"https://doi.org/10.1145/235968.233356","url":null,"abstract":"Rule-based optimizers and optimizer generators use rules to specify query transformations. Rules act directly on query representations, which typically are based on query algebras. But most algebra...","PeriodicalId":49524,"journal":{"name":"Sigmod Record","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"1996-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/235968.233356","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64143975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Access control in function granularity is one of the features of many object-oriented databases. In those systems, the users are granted rights to invoke composed functions instead of rights to inv...
{"title":"Static detection of security flaws in object-oriented databases","authors":"TajimaKeishi","doi":"10.1145/235968.233349","DOIUrl":"https://doi.org/10.1145/235968.233349","url":null,"abstract":"Access control in function granularity is one of the features of many object-oriented databases. In those systems, the users are granted rights to invoke composed functions instead of rights to inv...","PeriodicalId":49524,"journal":{"name":"Sigmod Record","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"1996-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/235968.233349","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64143960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Continuous media servers that provide support for the storage and retrieval of continuous media data (e.g., video, audio) at guaranteed rates are becoming increasingly important. Such servers, typi...
{"title":"Fault-tolerant architectures for continuous media servers","authors":"ÖzdenBanu, RastogiRajeev, ShenoyPrashant, SilberschatzAvi","doi":"10.1145/235968.233322","DOIUrl":"https://doi.org/10.1145/235968.233322","url":null,"abstract":"Continuous media servers that provide support for the storage and retrieval of continuous media data (e.g., video, audio) at guaranteed rates are becoming increasingly important. Such servers, typi...","PeriodicalId":49524,"journal":{"name":"Sigmod Record","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"1996-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1145/235968.233322","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64143921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1996-06-01DOI: 10.7551/mitpress/4472.003.0021
S. ColbyLatha, GriffinTimothy, LibkinLeonid, MumickInderpal Singh, TrickeyHoward
Materialized views and view maintenance are important for data warehouses, retailing, banking, and billing applications. We consider two related view maintenance problems: 1) how to maintain views ...
{"title":"Algorithms for deferred view maintenance","authors":"S. ColbyLatha, GriffinTimothy, LibkinLeonid, MumickInderpal Singh, TrickeyHoward","doi":"10.7551/mitpress/4472.003.0021","DOIUrl":"https://doi.org/10.7551/mitpress/4472.003.0021","url":null,"abstract":"Materialized views and view maintenance are important for data warehouses, retailing, banking, and billing applications. We consider two related view maintenance problems: 1) how to maintain views ...","PeriodicalId":49524,"journal":{"name":"Sigmod Record","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"1996-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71238505","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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