21 search results - page 1 / 5 » A Graph-Based Data Model to Represent Transaction Time in Se... |
DEXA
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. In this paper we propose the Graphical sEmistructured teMporal data model (GEM), which is based on labeled graphs and allows one to represent in a uniform way semistructu...
APCCM
2006
13 years 6 months ago
2006
Data Warehouses (DWs) use an omnipresent time dimension for keeping track of changes in measure values. However, this dimension cannot be used to model changes in other dimensions...
APWEB
2007
Springer
13 years 8 months ago
2007
Springer
Abstract. XML provides a natural mechanism for representing semistructured and unstructured data. It becomes the basis for encoding a large variety of information, for example, the...
EDBT
2006
ACM
14 years 4 months ago
2006
ACM
Abstract. We present in this paper a new model for representing probabilistic information in a semi-structured (XML) database, based on the use of probabilistic event variables. Th...
CORR
2007
Springer
13 years 4 months ago
2007
Springer
In a data warehousing process, the data preparation phase is crucial. Mastering this phase allows substantial gains in terms of time and performance when performing a multidimensio...