2674 search results - page 344 / 535 » Data Models and Query Languages for Spatial Databases |
206
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DNIS
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. This work proposes LEASE, a novel Mobile-P2P lease-based economic incentive model, in which data requestors need to pay the price (in virtual currency) of their requested...
160
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DEXAW
2000
IEEE
15 years 11 months ago
2000
IEEE
Spatio-temporal databases have been the focus of considerable research activity over a significant period. However, there are as of yet very few prototypes of complete systems, f...
188
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SSD
2001
Springer
15 years 11 months ago
2001
Springer
Recently there is much interest in moving objects databases, and data models and query languages have been proposed offering data types such as moving point and moving region toge...
154
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DEXA
1999
Springer
15 years 10 months ago
1999
Springer
: In an extensible database system, evaluation of a query plan is done in cooperation between a collection of operator implementation functions and a component of the DBMS that we ...
190
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IDEAS
2005
IEEE
16 years 4 days ago
2005
IEEE
The XML data is order-sensitive. The order problem, that is how ordered XML documents and order-sensitive queries over it can be efficiently supported when mapped into the unorde...