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ICDE
2005
IEEE
14 years 1 months ago
2005
IEEE
Numerous researchers have proposed to use relational databases to store and query XML documents. One important component of such systems is the XML subtree reconstruction, which r...
WWW
2005
ACM
14 years 8 months ago
2005
ACM
Large web search engines have to answer thousands of queries per second with interactive response times. Due to the sizes of the data sets involved, often in the range of multiple...
PODS
2009
ACM
14 years 8 months ago
2009
ACM
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
EUROPAR
2001
Springer
14 years 3 days ago
2001
Springer
Distributed-system observation tools require an efficient data structure to store and query the partial-order of execution. Such data structures typically use vector timestamps to...
SIGMOD
2008
ACM
14 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...