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DATESO
2010
148views Database» more  DATESO 2010»
13 years 9 months ago
Using Spectral Clustering for Finding Students' Patterns of Behavior in Social Networks
Abstract. The high dimensionality of the data generated by social networks has been a big challenge for researchers. In order to solve the problems associated with this phenomenon,...
Gamila Obadi, Pavla Drázdilová, Jan ...
DATESO
2010
150views Database» more  DATESO 2010»
13 years 9 months ago
Modeling and Verification of Priority Assignment in Real-Time Databases Using Uppaal
Abstract. Real-time database management systems (RTDBMS) are recently subject of an intensive research. Model checking algorithms and verification tools are of great concern as wel...
Martin Kot
DATESO
2010
141views Database» more  DATESO 2010»
13 years 9 months ago
Reverse-engineering of XML Schemas: A Survey
As approaches to conceptual modeling of XML data become more popular, a need arises to reverse-engineer existing schemas to the conceptual models. They make the management of XML s...
Jakub Klímek, Martin Necasky
DATESO
2010
131views Database» more  DATESO 2010»
13 years 9 months ago
Testing Quasigroup Identities using Product of Sequence
Non-associative quasigroups are well known combinatorial designs with many different applications. Many cryptographic algorithms based on quasigroups primitives have been published...
Eliska Ochodkova, Jiri Dvorský, Václ...
DATESO
2010
153views Database» more  DATESO 2010»
13 years 9 months ago
Answering Metric Skyline Queries by PM-tree
Abstract. The task of similarity search in multimedia databases is usually accomplished by range or k nearest neighbor queries. However, the expressing power of these "single-...
Tomás Skopal, Jakub Lokoc
DATESO
2010
132views Database» more  DATESO 2010»
13 years 9 months ago
Two-step Modified SOM for Parallel Calculation
This paper presents a simple modification of classic Kohonen network (SOM), which allows parallel processing of input data vectors or partitioning the problem in case of insufficie...
Petr Gajdos, Pavel Moravec
DATESO
2010
233views Database» more  DATESO 2010»
13 years 9 months ago
Efficient Implementation of XPath Processor on Multi-Core CPUs
Abstract. Current XPath processors use direct approach to query evaluation which is quite inefficient in some cases and usually implemented serially. This may be a problem in case ...
Martin Krulis, Jakub Yaghob
DATESO
2010
369views Database» more  DATESO 2010»
13 years 9 months ago
Database Trends and Directions: Current Challenges and Opportunities
Database management has undergone more than four decades of evolution producing vast range of research and extensive array of technology solutions. The database research community ...
George Feuerlicht
DATESO
2010
286views Database» more  DATESO 2010»
13 years 9 months ago
Fast Fibonacci Encoding Algorithm
Abstract. Data compression has been widely applied in many data processing areas. Compression methods use variable-length codes with the shorter codes assigned to symbols or groups...
Jirí Walder, Michal Krátký, J...
DATESO
2010
96views Database» more  DATESO 2010»
13 years 9 months ago
A Framework for Efficient Design, Maintaining, and Evolution of a System of XML Applications
Abstract. The today's applications usually form a system of sub-applications, each being responsible for a particular functionality. Hence, the design and maintenance of such ...
Martin Necaský, Irena Mlýnková...