3514 search results - page 239 / 703 » On Moving Object Queries |
245
click to vote
VLDB
2008
ACM
16 years 6 months ago
2008
ACM
This paper studies aggregate search in transaction time databases. Specifically, each object in such a database can be modeled as a horizontal segment, whose y-projection is its s...
177
click to vote
MDM
2005
Springer
16 years 23 hour ago
2005
Springer
The ever-increasing popularity of mobile applications coupled with the prevalence of spatial data has created the need for efficient processing of spatial queries in mobile enviro...
293
click to vote
ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
Authority flow is an effective ranking mechanism for answering queries on a broad class of data. Systems have been developed to apply this principle on the Web (PageRank and topic ...
170
click to vote
ADBIS
2003
Springer
15 years 11 months ago
2003
Springer
Let a tuple of n objects obeying a query graph (QG) be called the n-tuple. The “Ddistance-value” of this n-tuple is the value of a linear function of distances of the n objects...
158
click to vote
SSD
1993
Springer
15 years 10 months ago
1993
Springer
: Due to the high complexity of objects and queries and also due to extremely large data volumes, geographic database systems impose stringent requirements on their storage and acc...