92 search results - page 9 / 19 » Representing and Querying Changes in Semistructured Data |
DBVIS
1993
14 years 20 days ago
1993
In this paper, we present ideas how visualization technology can be used to improve the difficult process of querying very large databases. With our VisDB system, we try to provid...
SIGMOD
2003
ACM
14 years 8 months ago
2003
ACM
Traditional databases store sets of relatively static records with no pre-defined notion of time, unless timestamp attributes are explicitly added. While this model adequately rep...
HPDC
1998
IEEE
14 years 25 days ago
1998
IEEE
Conventional resource management systems use a system model to describe resources and a centralized scheduler to control their allocation. We argue that this paradigm does not ada...
SIGMOD
2000
ACM
14 years 28 days ago
2000
ACM
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...
WSDM
2010
ACM
14 years 6 months ago
2010
ACM
In web search, recency ranking refers to ranking documents by relevance which takes freshness into account. In this paper, we propose a retrieval system which automatically detect...