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VLDB
2004
ACM
15 years 3 months ago
2004
ACM
Relational OLAP tools and other database applications generate sequences of SQL statements that are sent to the database server as result of a single information request issued by...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
We investigate the problem of ranking answers to a database query when many tuples are returned. We adapt and apply principles of probabilistic models from Information Retrieval f...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
PIVOT and UNPIVOT, two operators on tabular data that exchange rows and columns, enable data transformations useful in data modeling, data analysis, and data presentation. They ca...
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VLDB
2004
ACM
15 years 3 months ago
2004
ACM
Detecting changes in a data stream is an important area of research with many applications. In this paper, we present a novel method for the detection and estimation of change. In...
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
The internal design of database systems has traditionally given primacy to the needs of transactional data. A radical re-evaluation of the internal design giving primacy to the ne...