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SIGMOD
2000
ACM
164views Database» more  SIGMOD 2000»
13 years 9 months ago
A Data Model and Data Structures for Moving Objects Databases
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...
Luca Forlizzi, Ralf Hartmut Güting, Enrico Na...
DEXA
2004
Springer
106views Database» more  DEXA 2004»
13 years 10 months ago
A Graph-Based Data Model to Represent Transaction Time in Semistructured Data
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...
Carlo Combi, Barbara Oliboni, Elisa Quintarelli
ICDE
2009
IEEE
160views Database» more  ICDE 2009»
13 years 2 months ago
Perm: Processing Provenance and Data on the Same Data Model through Query Rewriting
Data provenance is information that describes how a given data item was produced. The provenance includes source and intermediate data as well as the transformations involved in pr...
Boris Glavic, Gustavo Alonso
DMSN
2010
ACM
13 years 3 months ago
Facilitating fine grained data provenance using temporal data model
E-science applications use fine grained data provenance to maintain the reproducibility of scientific results, i.e., for each processed data tuple, the source data used to proce...
Mohammad Rezwanul Huq, Andreas Wombacher, Peter M....
INFORMATICALT
2002
82views more  INFORMATICALT 2002»
13 years 4 months ago
Data Aggregation Sets in Adaptive Data Model
This article presents the ways of identification, selection and transformation of the data into other structures. Relation selection and transformation may change data quantity and...
Petras Gailutis Adomenas, Algirdas Ciucelis