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EDBTW
2006
Springer
13 years 11 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
13 years 11 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
13 years 11 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
13 years 11 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
13 years 11 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
EDBTW
2006
Springer
13 years 11 months ago
Context Consistency Management Using Ontology Based Model
Abstract. Inconsistent contexts are death-wounds which usually result in contextaware applications' incongruous behaviors and users' perplexed feelings, therefore the ben...
Yingyi Bu, Shaxun Chen, Jun Li, XianPing Tao, Jian...
EDBTW
2006
Springer
13 years 11 months ago
Twelve Theses on Reactive Rules for the Web
Reactivity, the ability to detect and react to events, is an essential functionality in many information systems. In particular, Web systems such as online marketplaces, adaptive (...
François Bry, Michael Eckert
EDBTW
2006
Springer
13 years 11 months ago
Semantically Correct Query Answers in the Presence of Null Values
For several reasons a database may not satisfy a given set of integrity constraints (ICs), but most likely most of the information in it is still consistent with those ICs; and cou...
Loreto Bravo, Leopoldo E. Bertossi
EDBTW
2006
Springer
13 years 11 months ago
ActiveXQBE: A Visual Paradigm for Triggers over XML Data
Abstract. While XQuery is becoming a standard, the W3C is currently discussing the features of an update language for XML, and its requirements. Therefore, time is ripe for designi...
Daniele Braga, Alessandro Campi, Davide Martinengh...
EDBTW
2006
Springer
13 years 11 months ago
Using Temporal Semantics for Live Media Stream Queries
Querying live media streams is a challenging problem that becomes an essential requirement in a growing number of applications. We address the problem of evaluating continuous quer...
Bin Liu, Amarnath Gupta, Ramesh Jain