Sciweavers

EDBTW
2006
Springer
15 years 6 months ago
Window Specification over Data Streams
Several query languages have been proposed for managing data streams in modern monitoring applications. Continuous queries expressed in these languages usually employ windowing con...
Kostas Patroumpas, Timos K. Sellis
EDBTW
2006
Springer
15 years 6 months ago
Unsatisfiability Reasoning in ORM Conceptual Schemes
ORM (Object-Role Modeling) is a rich and well-known conceptual modeling method. As ORM has a formal semantics, reasoning tasks such as satisfiability checking of an ORM schema natu...
Mustafa Jarrar, Stijn Heymans
EDBTW
2006
Springer
15 years 6 months ago
Implementing a Linguistic Query Language for Historic Texts
Abstract. We describe design and implementation of the linguistic query language DDDquery. This language aims at querying a large linguistic database storing a corpus of richly ann...
Lukas Faulstich, Ulf Leser, Thorsten Vitt
EDBTW
2006
Springer
15 years 6 months ago
NaviMoz: Mining Navigational Patterns in Portal Catalogs
Abstract. Portal Catalogs is a popular means of searching for information on the Web. They provide querying and browsing capabilities on data organized in a hierarchy, on a categor...
Eleni G. Christodoulou, Theodore Dalamagas, Timos ...
EDBTW
2006
Springer
15 years 6 months ago
Hash-Based Structural Join Algorithms
Abstract. Algorithms for processing Structural Joins embody essential building blocks for XML query evaluation. Their design is a difficult task, because they have to satisfy many ...
Christian Mathis, Theo Härder