168 search results - page 21 / 34 » Optimized Index Structures for Querying RDF from the Web |
112
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VLDB
2012
ACM
13 years 8 months ago
2012
ACM
In the last decade, spatio-temporal database research focuses on the design of effective and efficient indexing structures in support of location-based queries such as predictive...
113
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EDBTW
2010
Springer
14 years 11 months ago
2010
Springer
Due to the growing importance of the World Wide Web, archiving it has become crucial for preserving useful source of information. To maintain a web archive up-to-date, crawlers ha...
103
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COOPIS
1998
IEEE
15 years 4 months ago
1998
IEEE
There is an increase in the number of data sources that can be queried across the WWW. Such sources typically support HTML forms-based interfaces and search engines query collecti...
100
Voted
VIS
2009
IEEE
16 years 1 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....
117
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SIGMOD
2003
ACM
16 years 17 days ago
2003
ACM
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...