3969 search results - page 351 / 794 » Query Processing Using Ontologies |
239
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ICDE
2007
IEEE
16 years 6 months ago
2007
IEEE
Position updates and query re-evaluations are two predominant, costly components of processing location-based, continual queries (CQs) in mobile systems. To obtain high-quality qu...
122
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ICALT
2007
IEEE
15 years 8 months ago
2007
IEEE
Technology Supported Learning Systems have proved to be useful in many learning situations. However, the development of such systems is still a hard task. Ontologies and Learning ...
134
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DOLAP
2009
ACM
15 years 11 months ago
2009
ACM
The current commercial and academic OLAP tools do not process XML data that make use of XLink. To develop OLAP systems for helping in the analysis of such data, this paper propose...
273
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ICDE
2005
IEEE
16 years 6 months ago
2005
IEEE
Query processing in traditional information management systems has moved from an exact match model to more flexible paradigms allowing cooperative retrieval by aggregating the dat...
249
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ICDE
2008
IEEE
16 years 6 months ago
2008
IEEE
We introduce a convoy query that retrieves all convoys from historical trajectories, each of which consists of a set of objects that travelled closely during a certain time period....