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309
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SIGMOD
2008
ACM
16 years 7 months ago
2008
ACM
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
293
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SIGMOD
2008
ACM
16 years 7 months ago
2008
ACM
Sampling is a popular method of data collection when it is impossible or too costly to reach the entire population. For example, television show ratings in the United States are g...
277
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
In this report, we provide a summary1 of the First Int'l VLDB Workshop on Clean Databases (CleanDB 2006), which took place at Seoul, Korea, on September 11, 2006, in conjunct...
251
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
To compensate for the inherent impedance mismatch between the relational data model (tables of tuples) and XML (ordered, unranked trees), tree join algorithms have become the prev...
207
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SIGMOD
2004
ACM
16 years 7 months ago
2004
ACM
Graph has become increasingly important in modelling complicated structures and schemaless data such as proteins, chemical compounds, and XML documents. Given a graph query, it is...