2674 search results - page 39 / 535 » Data Models and Query Languages for Spatial Databases |
ADBIS
2007
Springer
13 years 9 months ago
2007
Springer
This paper provides an answer-oriented multidimensional analysis environment. The approach is based on a conceptual point of view. We define a conceptual model that represents data...
SIGMOD
2010
ACM
14 years 12 days ago
2010
ACM
Large-scale websites are increasingly moving from relational databases to distributed key-value stores for high request rate, low latency workloads. Often this move is motivated n...
IFIP
2004
Springer
14 years 29 days ago
2004
Springer
In this paper we study the complexity of the model-checking problem for the tree logic introduced as the basis for the query language TQL [Cardelli and Ghelli, 2001]. We define tw...
DOLAP
2010
ACM
13 years 5 months ago
2010
ACM
Relational database systems have been the dominating technology to manage and analyze large data warehouses. Moreover, the ER model, the standard in database design, has a close r...
PODS
1999
ACM
13 years 12 months ago
1999
ACM
Semistructured data occur in situations where information lacks a homogeneous structure and is incomplete. Yet, up to now the incompleteness of information has not been re ected b...