958 search results - page 98 / 192 » Efficient data structures for range-aggregate queries on tre... |
DCC
2004
IEEE
15 years 9 months ago
2004
IEEE
We extend Ukkonen's online suffix tree construction algorithm to support frequency queries, by adding count fields to the internal nodes of the tree, as suggested in [8]. Thi...
158
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
Text documents often embed data that is structured in nature, and we can expose this structured data using information extraction technology. By processing a text database with inf...
VIS
2009
IEEE
15 years 11 months ago
2009
IEEE
We develop a new algorithm for isosurface extraction and view-dependent filtering from large time-varying fields, by using a novel Persistent Time-Octree (PTOT) indexing structure....
179
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ICDE
2005
IEEE
15 years 11 months ago
2005
IEEE
The ability to compute top-k matches to XML queries is gaining importance due to the increasing number of large XML repositories. The efficiency of top-k query evaluation relies o...
108
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SIGMOD
2004
ACM
15 years 10 months ago
2004
ACM
The rapid adoption of XML as the standard for data representation and exchange foreshadows a massive increase in the amounts of XML data collected, maintained, and queried over th...