SIGMOD
14 years 9 months ago
2004 ACM 
Database system architectures are undergoing revolutionary changes. Most importantly, algorithms and data are being unified by integrating programming languages with the database ...
SIGMOD
14 years 9 months ago
2004 ACM 
Mining informative patterns from very large, dynamically changing databases poses numerous interesting challenges. Data summarizations (e.g., data bubbles) have been proposed to c...
SIGMOD
14 years 9 months ago
2004 ACM 
Schema matching identifies elements of two given schemas that correspond to each other. Although there are many algorithms for schema matching, little has been written about build...
SIGMOD
14 years 9 months ago
2004 ACM 
Existing SQL aggregate functions present important limitations to compute percentages. This article proposes two SQL aggregate functions to compute percentages addressing such lim...
SIGMOD
14 years 9 months ago
2004 ACM
Data items archived in data warehouses or those that arrive online as streams typically have attributes which take values from multiple hierarchies (e.g., time and geographic loca...
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