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SOFSEM
2004
Springer
12 years 1 months ago
Tree Signatures and Unordered XML Pattern Matching
We propose an efficient approach for finding relevant XML data twigs defined by unordered query tree specifications. We use the tree signatures as the index structure and find...
Pavel Zezula, Federica Mandreoli, Riccardo Martogl...
SOFSEM
2004
Springer
12 years 1 months ago
Avoiding Forbidden Submatrices by Row Deletions
We initiate a systematic study of the Row Deletion(B) problem on matrices: For a fixed “forbidden submatrix” B, the question is, given an input matrix A (both A and B have ent...
Sebastian Wernicke, Jochen Alber, Jens Gramm, Jion...
SOFSEM
2004
Springer
12 years 1 months ago
Fuzzy Group Models for Adaptation in Cooperative Information Retrieval Contexts
Cooperation in information retrieval contexts can be used to share query results inside groups of individuals with common objectives, provided that all of them are aware of each ot...
Miguel Ángel Sicilia Urbán, Elena Ga...
SOFSEM
2004
Springer
12 years 1 months ago
Processing XPath Expressions in Relational Databases
Abstract. Research on processing XML documents gained much activity in recent times. XML query languages are mostly based on XPath expressions, which are used to select parts of XM...
Tadeusz Pankowski
SOFSEM
2004
Springer
12 years 1 months ago
Discovery of Lexical Entries for Non-taxonomic Relations in Ontology Learning
Ontology learning from texts has recently been proposed as a new technology helping ontology designers in the modelling process. Discovery of non–taxonomic relations is understoo...
Martin Kavalec, Alexander Maedche, Vojtech Sv&aacu...
SOFSEM
2004
Springer
12 years 1 months ago
Approaches Based on Markovian Architectural Bias in Recurrent Neural Networks
Recent studies show that state-space dynamics of randomly initialized recurrent neural network (RNN) has interesting and potentially useful properties even without training. More p...
Matej Makula, Michal Cernanský, Lubica Benu...
SOFSEM
2004
Springer
12 years 1 months ago
Flexibility through Multiagent Systems: Solution or Illusion?
Multiagent software systems are known to exhibit a system-level behavior that rarely can be predicted from the description of individual agents but must be observed in simulation o...
Peter C. Lockemann, Jens Nimis
SOFSEM
2004
Springer
12 years 1 months ago
Measures of Intrinsic Hardness for Constraint Satisfaction Problem Instances
Our aim is to investigate the factors which determine the intrinsic hardness of constructing a solution to any particular constraint satisfaction problem instance, regardless of th...
George Boukeas, Constantinos Halatsis, Vassilis Zi...
SOFSEM
2004
Springer
12 years 1 months ago
Clustered Level Planarity
Michael Forster, Christian Bachmaier
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