770 search results - page 25 / 154 » An Approach to Querying Multiple Object Databases |
CDB
2004
Springer
15 years 3 months ago
2004
Springer
Moving objects are currently represented in databases by means of an explicit representation of their trajectory. However from a physical point of view, or more specifically accor...
108
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ICDE
2005
IEEE
15 years 3 months ago
2005
IEEE
Many location-based applications require constant monitoring of k-nearest neighbor (k-NN) queries over moving objects within a geographic area. Existing approaches to this problem...
SIGMOD
2005
ACM
15 years 3 months ago
2005
ACM
One of the most powerful features of SQL is the use of nested queries. Most research work on the optimization of nested queries focuses on aggregate subqueries. However, the solut...
NGC
2000
Springer
14 years 9 months ago
2000
Springer
With the increasing popularity of the WWW, the main challenge in computer science has become content-based retrieval of multimedia objects. Access to multimedia objects in database...
114
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ISEMANTICS
2010
14 years 8 months ago
2010
The Web has evolved from a global information space of linked documents to a web of linked data. The Web of Data enables answering complex, structured queries that could not be an...