87 search results - page 3 / 18 » Experience in Extending Query Engine for Continuous Analytic... |
TKDE
2011
13 years 2 months ago
2011
Given a positive value r, a distance based range query returns the objects that lie within the distance r of the query location.
In this paper, we focus on the distance based rang...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
In this paper, we identify and solve a new type of spatial queries, called continuous visible nearest neighbor (CVNN) search. Given a data set P, an obstacle set O, and a query li...
ADC
2009
Springer
14 years 2 months ago
2009
Springer
Efficient XML filtering has been a fundamental technique in recent Web service and XML publish/subscribe applications. In this paper, we consider the problem of filtering a contin...
BDA
2007
14 years 9 days ago
2007
Pervasive information systems give an overview of what digital environments should look like in the future. From a data-centric point of view, traditional databases have to be use...
SIGMOD
2006
ACM
14 years 11 months ago
2006
ACM
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...