3269 search results - page 533 / 654 » Query Optimization for XML |
181
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ICDE
2007
IEEE
16 years 20 days ago
2007
IEEE
We consider the problem of semantic load shedding for continuous queries containing window joins on multiple data streams and propose a robust approach that is effective with the ...
195
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AH
2004
Springer
2004
Springer
The Personal Reader: Personalizing and Enriching Learning Resources Using Semantic Web Technologies.
15 years 11 months ago
Traditional adaptive hypermedia systems have focused on providing adaptation functionality on a closed corpus, while Web search interfaces have delivered non-personalized informati...
185
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HICSS
2002
IEEE
15 years 11 months ago
2002
IEEE
In this paper we consider a multipath extension to the dynamic source routing (DSR) protocol proposed by Johnson and Maltz, an on-demand routing protocol for ad hoc wireless netwo...
154
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SIGMOD
1994
ACM
15 years 10 months ago
1994
ACM
We describe an algorithm for estimating the number of page fetches for a partial or complete scan of a B-tree index. The algorithm obtains estimates for the number of page fetches ...
146
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GIS
1995
ACM
15 years 10 months ago
1995
ACM
Polygonal objects are characterized by the following well-known parameters: number of vertices, area, perimeter and so on. These parameters describe the data sets that are used in...