110 search results - page 12 / 22 » Maintaining Data Cubes under Dimension Updates |
ICALP
2009
Springer
14 years 8 months ago
2009
Springer
Abstract. We study the problem of maintaining a dynamic tree succinctly, in 2n + o(n) bits, under updates of the following form: insertion or deletion of a leaf, insertion of a nod...
SMA
2009
ACM
14 years 2 months ago
2009
ACM
We present the “Dynamic Packing Grid” (DPG) data structure along with details of our implementation and performance results, for maintaining and manipulating flexible molecul...
ICDM
2009
IEEE
13 years 5 months ago
2009
IEEE
Clustering streaming data requires algorithms which are capable of updating clustering results for the incoming data. As data is constantly arriving, time for processing is limited...
COMAD
2008
13 years 9 months ago
2008
Role-based access control (RBAC) has attracted considerable research interest. However, the computational issues of RBAC models are yet to be thoroughly studied. In this paper, we...
GIS
2003
ACM
14 years 8 months ago
2003
ACM
Moving object databases store and process data for objects that change location frequently. Materialized views maintained over time must be updated to reflect changes due to the m...