4137 search results - page 544 / 828 » Managing Expressions as Data in Relational Database Systems |
189
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GIS
2010
ACM
15 years 5 months ago
2010
ACM
Many Web sites support keyword search on their spatial data, such as business listings and photos. In these systems, inconsistencies and errors can exist in both queries and the d...
218
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ICDT
2011
ACM
14 years 10 months ago
2011
ACM
The goal of the PADS project, which started in 2001, is to make it easier for data analysts to extract useful information from ad hoc data files. This paper does not report new r...
189
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VLDB
1994
ACM
15 years 10 months ago
1994
ACM
This paper introduces a formalism to describe the needs and preferences of database users. Because of the precise formulation of these concepts, we have found an automatic and ver...
460
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SIGMOD
2012
ACM
13 years 9 months ago
2012
ACM
Tableau is a commercial business intelligence (BI) software tool that supports interactive, visual analysis of data. Armed with a visual interface to data and a focus on usability...
260
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ICDE
1997
IEEE
16 years 8 months ago
1997
IEEE
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...