1611 search results - page 120 / 323 » Queries Independent of Updates |
173
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GIS
2007
ACM
15 years 11 months ago
2007
ACM
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...
SIGMOD
2003
ACM
15 years 10 months ago
2003
ACM
To facilitate queries over semi-structured data, various structural summaries have been proposed. Structural summaries are derived directly from the data and serve as indices for ...
83
Voted
ICDE
2007
IEEE
15 years 4 months ago
2007
IEEE
Adaptive query processing is of utmost importance for the scalability of data stream processing systems due to the long-running queries and fluctuating stream characteristics. An...
BTW
2007
Springer
15 years 4 months ago
2007
Springer
B-tree and index into two layers of abstraction. In addition, this paper provides algorithms for (i) concurrency control and recovery including locking of individual keys and of co...
80
Voted
VLDB
1998
ACM
15 years 2 months ago
1998
ACM
Semistructured data is not strictly typed like relational or object-oriented data and may be irregular or incomplete. It often arises in practice, e.g., when heterogeneous data so...