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Database Theory in Action: Database Visualization. [PDF]
We draw a connection between data modeling and visualization, namely that a visualization specification defines a mapping from database constraints to visual representations of those constraints. We show data modeling explains many existing visualization design and introduce multi-table database visualization.
Wu, Eugene
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ACM SIGACT News, 2023
The 42nd edition of the ACM SIGMOD-SIGACT-SIGAI Symposium on Principles of Database Systems (PODS) was held from June 19 to June 21, 2023, in Seattle, USA. After two years of online-only and a year of hybrid conferences, PODS 2023 went back to a fully in-person conference format.
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The 42nd edition of the ACM SIGMOD-SIGACT-SIGAI Symposium on Principles of Database Systems (PODS) was held from June 19 to June 21, 2023, in Seattle, USA. After two years of online-only and a year of hybrid conferences, PODS 2023 went back to a fully in-person conference format.
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The Knowledge Engineering Review, 1989
Abstract This paper surveys a variety of deductive database theories. Such theories differ from one another in the set of axioms and metarules that they allow and use. The following theories are discussed: relational, Horn, and stratified in the text; protected, disjunctive, typed, extended Horn, and normal in the appendix ...
John Grant, Jack Minker
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Abstract This paper surveys a variety of deductive database theories. Such theories differ from one another in the set of axioms and metarules that they allow and use. The following theories are discussed: relational, Horn, and stratified in the text; protected, disjunctive, typed, extended Horn, and normal in the appendix ...
John Grant, Jack Minker
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ACM SIGACT News, 2020
The 39th edition of the ACM SIGMOD-SIGACT-SIGAI Symposium on Principles of Database Systems (PODS) was planned to take place from June 14 to June 19, 2020, in Portland, OR, USA. Due to the coronavirus pandemic, it was organized instead as a virtual (online) conference on the same dates.
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The 39th edition of the ACM SIGMOD-SIGACT-SIGAI Symposium on Principles of Database Systems (PODS) was planned to take place from June 14 to June 19, 2020, in Portland, OR, USA. Due to the coronavirus pandemic, it was organized instead as a virtual (online) conference on the same dates.
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ACM SIGACT News, 2008
The 26th edition of the ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Databases (PODS), took place from 11 to 13 June 2007. As usual since 1991, the symposium was organized jointly with the ACM SIGMOD International Conference on Management of Data.
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The 26th edition of the ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Databases (PODS), took place from 11 to 13 June 2007. As usual since 1991, the symposium was organized jointly with the ACM SIGMOD International Conference on Management of Data.
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Perspectives on database theory
ACM SIGACT News, 1996Database management systems address the need to store, retrieve, and manipulate large amounts of data in an organized fashion. The database held has grown tremendously in the last 25 years. It is reported that the database industry generated $7 billion in revenue in 1994 and is growing at a rate of 35% per year.
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Assumptions in relational database theory
Proceedings of the 1st ACM SIGACT-SIGMOD symposium on Principles of database systems, 1982Many results in relational database theory on the structure of dependencies, query languages, and databases in general have now been established. However, neither (a) the reliance of these results on various assumptions, nor (b) the desirability or reasonableness of these assumptions themselves have been closely examined.
ATZENI, Paolo, PARKER DS
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ACM SIGMOD Record, 2001
Over the years, the connection between database theory and database practice has weakened. We argue here that the new challenges posed by XML and its applications are strengthening this connection today. We illustrate three examples of theoretical problems arising from XML applications, based on our own research.
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Over the years, the connection between database theory and database practice has weakened. We argue here that the new challenges posed by XML and its applications are strengthening this connection today. We illustrate three examples of theoretical problems arising from XML applications, based on our own research.
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1992
In this paper, we prove that the larger the databases are, the lower the com-plexity of the evaluation of queries is. This work is based upon the asymptotic probabilities of the truth of properties and we focus on almost sure properties. We prove that for several undecidable properties of Datalog programs (which are important for the optimization), we ...
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In this paper, we prove that the larger the databases are, the lower the com-plexity of the evaluation of queries is. This work is based upon the asymptotic probabilities of the truth of properties and we focus on almost sure properties. We prove that for several undecidable properties of Datalog programs (which are important for the optimization), we ...
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