5401 search results - page 149 / 1081 » Using Versions in GIS |
149
click to vote
GRID
2003
Springer
15 years 9 months ago
2003
Springer
We are developing a grid information service, RGIS, that is based on the relational data model. RGIS supports complex queries written in SQL that search for compositions (using jo...
112
click to vote
COMPGEOM
1996
ACM
15 years 8 months ago
1996
ACM
In this paper we show how to traverse a subdivision and to report all cells, edges and vertices, without making use of mark bits in the structure or a stack. We do this by perform...
176
click to vote
ATAL
2006
Springer
15 years 7 months ago
2006
Springer
In this paper, we describe an innovative infrastructure to support student participation and collaboration and help the instructor manage large or distance classrooms using multia...
118
Voted
COMAD
2008
15 years 5 months ago
2008
In existing database systems there is a strong need for searching data according to many attributes. In commercial database platforms, the standard search over multiple attributes...
136
click to vote
DAGSTUHL
2007
15 years 5 months ago
2007
Abstract. Moving objects produce trajectories, which are stored in databases by means of finite samples of time-stamped locations. When also speed limitations in these sample poin...