314 search results - page 34 / 63 » Querying Imprecise Data in Moving Object Environments |
CIKM
2011
Springer
12 years 7 months ago
2011
Springer
A continuous top-k query retrieves the k most preferred objects in a data stream according to a given preference function. These queries are important for a broad spectrum of appl...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
We present our prototype system, OMCAT, which optimizes the reevaluation of a set of pending continuous spatio-temporal queries on trajectory data, when some of the trajectories a...
UIST
1997
ACM
13 years 11 months ago
1997
ACM
This paper proposes a new field of user interfaces called multi-computer direct manipulation and presents a pen-based direct manipulation technique that can be used for data trans...
ISCI
2008
13 years 7 months ago
2008
Monitoring the changes in data values obtained from the environment (e.g., locations of moving objects) is a primary concern in many fields, as for example in the pervasive comput...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
This paper introduces the problem of modeling urban transportation systems in a database where certain aspects of the data are probabilistic in nature. The transportation network ...