344 search results - page 12 / 69 » A Conceptual Model for Dynamic Clustering in Object Database... |
65
Voted
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
The ObjectRank system applies authority-based ranking to keyword search in databases modeled as labeled graphs. Conceptually, authority originates at the nodes (objects) containin...
IDEAS
1997
IEEE
15 years 1 months ago
1997
IEEE
We are concerned by schema evolution in Object Oriented Databases (OODB) that is processed by a modification on the classes on the schema. We present a new categorization of the d...
155
Voted
SIGMOD
2006
ACM
15 years 9 months ago
2006
ACM
In this paper, we propose a methodological approach for the model driven development of secure XML databases (DB). This proposal is within the framework of MIDAS, a model driven m...
VLDB
1994
ACM
15 years 1 months ago
1994
ACM
Global clustering has rarely been investigated in the area of spatial database systems although dramatic performance improvements can be achieved by using suitable techniques. In ...
82
Voted
EDBT
2004
ACM
15 years 3 months ago
2004
ACM
Abstract. We present a cost-based adaptive clustering method to improve average performance of spatial queries (intersection, containment, enclosure queries) over large collections...