3071 search results - page 556 / 615 » Explanatory Design Theory |
192
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SIGMOD
2009
ACM
15 years 12 months ago
2009
ACM
Research has investigated mappings among data sources under two perspectives. On one side, there are studies of practical tools for schema mapping generation; these focus on algor...
175
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SIGMOD
2009
ACM
15 years 12 months ago
2009
ACM
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
180
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SIGMOD
2009
ACM
15 years 12 months ago
2009
ACM
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
155
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SIGMOD
2008
ACM
15 years 11 months ago
2008
ACM
A primary challenge to large-scale data integration is creating semantic equivalences between elements from different data sources that correspond to the same real-world entity or...
168
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SIGMOD
2008
ACM
15 years 11 months ago
2008
ACM
Pattern matching over event streams is increasingly being employed in many areas including financial services, RFIDbased inventory management, click stream analysis, and electroni...