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» Speculative Query Processing
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WIDM
2003
ACM
16 years 12 days ago
XPath query transformation based on XSLT stylesheets
Whenever XML data must be shared by heterogeneous applications, transformations between different applicationspecific XML formats are necessary. The state-of-the-art method transf...
Sven Groppe, Stefan Böttcher
SIGMOD
1997
ACM
134views Database» more  SIGMOD 1997»
15 years 11 months ago
Similarity-Based Queries for Time Series Data
We study similarity queries for time series data where similarity is defined in terms of a set of linear transformations on the Fourier series representation of a sequence. We ha...
Davood Rafiei, Alberto O. Mendelzon
EDBT
2009
ACM
131views Database» more  EDBT 2009»
15 years 10 months ago
Sample synopses for approximate answering of group-by queries
With the amount of data in current data warehouse databases growing steadily, random sampling is continuously gaining in importance. In particular, interactive analyses of large d...
Philipp Rösch, Wolfgang Lehner
IJCSA
2007
143views more  IJCSA 2007»
15 years 7 months ago
Incremental Trade-Off Management for Preference-Based Queries
Preference-based queries often referred to as skyline queries play an important role in cooperative query processing. However, their prohibitive result sizes pose a severe challen...
Wolf-Tilo Balke, Ulrich Güntzer, Christoph Lo...
SIGIR
2008
ACM
15 years 7 months ago
Automatically identifying localizable queries
Personalization of web search results as a technique for improving user satisfaction has received notable attention in the research community over the past decade. Much of this wo...
Michael J. Welch, Junghoo Cho