750 search results - page 101 / 150 » Aggregates in Possibilistic Databases |
DOLAP
2006
ACM
14 years 3 months ago
2006
ACM
Decision support systems (DSS) may be enhanced qualitatively if they are able to also deal with spatial dimensions and measures. Regardless the evident importance of using data wa...
SIGMOD
2012
ACM
12 years 11 days ago
2012
ACM
Big data is the tar sands of the data world: vast reserves of raw gritty data whose valuable information content can only be extracted at great cost. MapReduce is a popular parall...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
Several recent papers have focused on OLAP over imprecise data, where each fact can be a region, instead of a point, in a multidimensional space. They have provided a multiple-wor...
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
Ranking is an important property that needs to be fully supported by current relational query engines. Recently, several rank-join query operators have been proposed based on rank...
ICPR
2008
IEEE
14 years 11 months ago
2008
IEEE
Querying any information system requires the knowledge of some formal language, making it inaccessible to computer-na?ve potential users. We propose a new intuitive querying mecha...