605 search results - page 59 / 121 » Aggregate Functions in DLV |
DAWAK
2009
Springer
14 years 1 months ago
2009
Springer
Abstract. In the last years, extending OLAP (On-Line Analytical Processing) systems with spatial and temporal features has attracted the attention of of the GIS (Geographic Informa...
SSDBM
1998
IEEE
14 years 29 days ago
1998
IEEE
On-Line Analytical Processing (OLAP) is a trend in database technology, which was recently introduced and has attracted the interest of a lot of research work. OLAP is based on th...
ECML
2006
Springer
14 years 12 days ago
2006
Springer
Label ranking studies the problem of learning a mapping from instances to rankings over a predefined set of labels. We approach this setting from a case-based perspective and propo...
HYBRID
2009
Springer
13 years 12 months ago
2009
Springer
This paper proposes a distributed coordination algorithm for robotic sensor networks to detect boundaries that separate areas of abrupt change of spatial phenomena. We consider an ...
DBPL
2005
Springer
13 years 10 months ago
2005
Springer
XQuery is known to be a powerful XML query language with many bells and whistles. For many common queries we do not need all the expressive power of XQuery. We investigate the eff...