6274 search results - page 280 / 1255 » From query complexity to computational complexity |
130
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RTSS
2006
IEEE
15 years 11 months ago
2006
IEEE
A real-time database is composed of real-time objects whose values remain valid only within their validity intervals. Each object in the database models a real world entity. The f...
132
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IPPS
2008
IEEE
15 years 11 months ago
2008
IEEE
—Hybrid P2P systems rely on the assumption that sufficient objects exist nearby in order to make the unstructured search component efficient. This availability depends on the o...
248
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SIGMOD
2009
ACM
16 years 5 months ago
2009
ACM
Schema evolution poses serious challenges in historical data management. Traditionally historical data have been archived either by (i) migrating them into the current schema vers...
136
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CIKM
2005
Springer
15 years 10 months ago
2005
Springer
Document-centric XML is a mixture of text and structure. With the increased availability of document-centric XML content comes a need for query facilities in which both structural...
154
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SSD
2005
Springer
15 years 10 months ago
2005
Springer
Most recent research on querying and managing data streams has concentrated on traditional data models where the data come in the form of tuples or XML data. Complex types of strea...