5799 search results - page 946 / 1160 » Health-OS: : a position paper |
278
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VLDB
2008
ACM
16 years 6 months ago
2008
ACM
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...
265
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Data lineage and data provenance are key to the management of scientific data. Not knowing the exact provenance and processing pipeline used to produce a derived data set often re...
273
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
Rapid advancements in positioning systems and wireless communications enable accurate tracking of continuously moving objects. This development poses new challenges to database te...
192
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
Recent years witnessed an increasing interest in researches in XML, partly due to the fact that XML has now become the de facto standard for data interchange over the internet. A ...
162
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
Sensor networks have been widely used to collect data about the environment. When analyzing data from these systems, people tend to ask exploratory questions--they want to find su...