3678 search results - page 217 / 736 » Personalization of Queries in Database Systems |
197
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SIGMOD
2010
ACM
15 years 11 months ago
2010
ACM
In this paper, we propose an online aggregation system called COSMOS (Continuous Sampling for Multiple queries in an Online aggregation System), to process multiple aggregate quer...
273
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GIS
2004
ACM
16 years 7 months ago
2004
ACM
Motivated by the increasing need to handle complex multidimensional data in location-based data warehouses, this paper proposes a powerful data model that is able to capture the c...
165
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WISE
2002
Springer
15 years 11 months ago
2002
Springer
Applying meta search systems is a suitable method to support the user if there are many different retrieval services available in the Web. Due to information splitting strategies ...
264
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
In order to enable extensibility, modern query optimizers typically leverage a transformation rule based framework. Testing individual rule correctness as well as correctness of r...
267
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Text documents often embed data that is structured in nature. This structured data is increasingly exposed using information extraction systems, which generate structured relation...