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» Transformations for semi-continuous data
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KDD
2004
ACM
182views Data Mining» more  KDD 2004»
16 years 4 months ago
Rotation invariant distance measures for trajectories
For the discovery of similar patterns in 1D time-series, it is very typical to perform a normalization of the data (for example a transformation so that the data follow a zero mea...
Michail Vlachos, Dimitrios Gunopulos, Gautam Das
CISIS
2009
IEEE
15 years 11 months ago
Creating Visualizations through Ontology Mapping
We explore how to support the creation of customized visualizations of ontology instance data through the specification of ontology mappings. We combine technologies from the dis...
Sean M. Falconer, R. Ian Bull, Lars Grammel, Marga...
SIGMOD
2005
ACM
117views Database» more  SIGMOD 2005»
16 years 4 months ago
Relational data mapping in MIQIS
We demonstrate a prototype of the relational data mapping module of MIQIS, a formal framework for investigating information flow in peer-to-peer database management systems. Data ...
George H. L. Fletcher, Catharine M. Wyss
DAWAK
2005
Springer
15 years 9 months ago
A Tree Comparison Approach to Detect Changes in Data Warehouse Structures
Abstract. We present a technique for discovering and representing changes between versions of data warehouse structures. We select a tree comparison algorithm, adapt it for the par...
Johann Eder, Christian Koncilia, Karl Wiggisser
VISUAL
1999
Springer
15 years 8 months ago
Querying Multimedia Data Sources and Databases
To support the retrieval and fusion of multimedia information from multiple sources and databases, a spatial/temporal query language called ΣQL is proposed. ΣQL is based upon th...
Shi-Kuo Chang, Gennaro Costagliola, Erland Jungert