9842 search results - page 1551 / 1969 » Problem complexity |
299
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
The primary goal of data stream research is to develop space and time efficient solutions for answering continuous online summarization queries. Research efforts over the last dec...
265
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SIGMOD
2006
ACM
16 years 7 months ago
2006
ACM
Data streaming systems are becoming essential for monitoring applications such as financial analysis and network intrusion detection. These systems often have to process many simi...
187
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SIGMOD
2004
ACM
16 years 7 months ago
2004
ACM
Existing methods for prediction in spatio-temporal databases assume that objects move according to linear functions. This severely limits their applicability, since in practice mo...
234
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SIGMOD
2003
ACM
16 years 7 months ago
2003
ACM
We consider the problem of efficiently producing ranked results for keyword search queries over hyperlinked XML documents. Evaluating keyword search queries over hierarchical XML ...
196
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SIGMOD
2002
ACM
16 years 7 months ago
2002
ACM
Time-parameterized queries (TP queries for short) retrieve (i) the actual result at the time that the query is issued, (ii) the validity period of the result given the current mot...