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DEXA
2009
Springer
127views Database» more  DEXA 2009»
13 years 11 months ago
The Real Performance Drivers behind XML Lock Protocols
Abstract. Fine-grained lock protocols should allow for highly concurrent transaction processing on XML document trees, which is addressed by the taDOM lock protocol family enabling...
Sebastian Bächle, Theo Härder
DEXA
2009
Springer
119views Database» more  DEXA 2009»
13 years 11 months ago
Discovering Sentinel Rules for Business Intelligence
Morten Middelfart, Torben Bach Pedersen
DEXA
2009
Springer
109views Database» more  DEXA 2009»
13 years 11 months ago
Inclusion Dependencies in XML: Extending Relational Semantics
In this article we define a new type of integrity constraint in XML, called an XML inclusion constraint (XIND), and show that it extends the semantics of a relational inclusion de...
Michael Karlinger, Millist W. Vincent, Michael Sch...
DEXA
2009
Springer
124views Database» more  DEXA 2009»
13 years 11 months ago
VisiNav: Visual Web Data Search and Navigation
Semantic Web technologies facilitate data integration over a large number of sources with decentralised and loose coordination, ideally leading to interlinked datasets which descri...
Andreas Harth
DEXA
2009
Springer
175views Database» more  DEXA 2009»
13 years 11 months ago
RoK: Roll-Up with the K-Means Clustering Method for Recommending OLAP Queries
Dimension hierarchies represent a substantial part of the data warehouse model. Indeed they allow decision makers to examine data at different levels of detail with On-Line Analyt...
Fadila Bentayeb, Cécile Favre
DEXA
2009
Springer
70views Database» more  DEXA 2009»
13 years 11 months ago
On the Termination Problem for Declarative XML Message Processing
Abstract. We define a formal syntax and semantics for the Rule Definition Language (RDL) of DemaqLite, which is a fragment of the declarative XML message processing system Demaq....
Tadeusz Litak, Sven Helmer
DEXA
2009
Springer
173views Database» more  DEXA 2009»
13 years 11 months ago
Incremental Ontology-Based Extraction and Alignment in Semi-structured Documents
SHIRI 1 is an ontology-based system for integration of semistructured documents related to a specific domain. The system’s purpose is to allow users to access to relevant parts ...
Mouhamadou Thiam, Nacéra Bennacer, Nathalie...
DEXA
2009
Springer
177views Database» more  DEXA 2009»
13 years 11 months ago
Querying XML Data with SPARQL
SPARQL is today the standard access language for Semantic Web data. In the recent years XML databases have also acquired industrial importance due to the widespread applicability o...
Nikos Bikakis, Nektarios Gioldasis, Chrisa Tsinara...
DEXA
2009
Springer
151views Database» more  DEXA 2009»
13 years 11 months ago
Automatic Extraction of Ontologies Wrapping Relational Data Sources
Describing relational data sources (i.e. databases) by means of ontologies constitutes the foundation of most of the semantic based approaches to data access and integration. In sp...
Lina Lubyte, Sergio Tessaris
DEXA
2009
Springer
138views Database» more  DEXA 2009»
13 years 11 months ago
Evaluating Non-In-Place Update Techniques for Flash-Based Transaction Processing Systems
Recently, flash memory is emerging as the storage device. With price sliding fast, the cost per capacity is approaching to that of SATA disk drives. So far flash memory has been ...
Yongkun Wang, Kazuo Goda, Masaru Kitsuregawa