SOFSEM 2007: Theory and Practice of Computer Science 33nd Conference on Current Trends in Theory and Practice of Computer Science, Harrachov, Czech Republic, January 20-26, 2007, Proceedings

Invited Talks.- Graphs from Search Engine Queries.- Model-Checking Large Finite-State Systems and Beyond.- Interaction and Realizability.- A Short Introduction to Computational Social Choice.- Distributed Models and Algorithms for Mobile Robot Systems.- Point-to-Point Shortest Path Algorithms with Preprocessing.- Games, Time, and Probability: Graph Models for System Design and Analysis.- Agreement Technologies.- Automatic Testing of Object-Oriented Software.- Architecture-Based Reasoning About Performability in Component-Based Systems.- Multimedia Retrieval Algorithmics.- Foundations of Computer Science.- Size of Quantum Finite State Transducers.- Weighted Nearest Neighbor Algorithms for the Graph Exploration Problem on Cycles.- Straightening Drawings of Clustered Hierarchical Graphs.- Improved Upper Bounds for ?-Backbone Colorings Along Matchings and Stars.- About the Termination Detection in the Asynchronous Message Passing Model.- Fast Approximate Point Set Matching for Information Retrieval.- A Software Architecture for Shared Resource Management in Mobile Ad Hoc Networks.- Compressed Prefix Sums.- On Optimal Solutions for the Bottleneck Tower of Hanoi Problem.- Competitive Maintenance of Minimum Spanning Trees in Dynamic Graphs.- Exact Max 2-Sat: Easier and Faster.- Maximum Finding in the Symmetric Radio Networks with Collision Detection.- An Approach to Modelling and Verification of Component Based Systems.- Improved Undecidability Results on the Emptiness Problem of Probabilistic and Quantum Cut-Point Languages.- On the (High) Undecidability of Distributed Synthesis Problems.- Maximum Rigid Components as Means for Direction-Based Localization in Sensor Networks.- Online Service Management Algorithm for Cellular/WALN Multimedia Networks.- A Simple Algorithm for Stable Minimum Storage Merging.- Generating High Dimensional Data and Query Sets.- Partial vs. Complete Domination: t-Dominating Set.- Estimates of Data Complexity in Neural-Network Learning.- Concurrent and Located Synchronizations in ?-Calculus.- Efficient Group Key Agreement for Dynamic TETRA Networks.- Algorithmic Aspects of Minimum Energy Edge-Disjoint Paths in Wireless Networks.- The P k Partition Problem and Related Problems in Bipartite Graphs.- Spatial Selection of Sparse Pivots for Similarity Search in Metric Spaces.- A Model of an Amorphous Computer and Its Communication Protocol.- A Branch-and-Bound Algorithm to Solve Large Scale Integer Quadratic Multi-Knapsack Problems.- Indexing Factors with Gaps.- Information Efficiency.- Deterministic Simulation of a NFA with k–Symbol Lookahead.- Mobility Management Using Virtual Domain in IPv6-Based Cellular Networks.- Restarting Tree Automata.- A Polynomial Time Constructible Hitting Set for Restricted 1-Branching Programs of Width 3.- Formal Translation Directed by Parallel LLP Parsing.- Self-adaptive Lagrange Relaxation Algorithm for Aggregated Multicast.- A Language for Reliable Service Composition.- Operational Semantics of Framed Temporal Logic Programs.- Constraints for Argument Filterings.- Multi-agent Systems.- Performance Analysis of a Multiagent Architecture for Passenger Transportation.- Teacher-Directed Learning with Mixture of Experts for View-Independent Face Recognition.- FTTH-Enhanced Mini-System m TBCP-Based Overlay Construction and Evaluation.- On Efficient Resource Allocation in Communication Networks.- Protecting Agent from Attack in Grid ComputingIII.- Incremental Learning of Planning Operators in Stochastic Domains.- Competitive Contract Net Protocol.- Agent Oriented Methodology Construction and Customization with HDA.- Emerging Web Technologies.- Building an Ontological Base for Experimental Evaluation of Semantic Web Applications.- Semantic Web Approach in Designing a Collaborative E-Item Bank System.- A Hybrid Region Weighting Approach for Relevance Feedback in Region-Based Image Search on the Web.- Rapid Development of Web Interfaces to Heterogeneous Systems.- Enhancing Security by Embedding Biometric Data in IP Header.- Runtime-Efficient Approach for Multiple Continuous Filtering in XML Message Brokers.- A Semantic Peer-to-Peer Overlay for Web Services Discovery.- Multi-document Summarization Based on Cluster Using Non-negative Matrix Factorization.- A Program Slicing Based Method to Filter XML/DTD Documents.- A Hybrid Approach for XML Similarity.- Personalized Presentation in Web-Based Information Systems.- Immune-Inspired Online Method for Service Interactions Detection.- Dependable Software and Systems.- Separation of Concerns and Consistent Integration in Requirements Modelling.- Checking Interaction Consistency in MARMOT Component Refinements.- Towards a Versatile Contract Model to Organize Behavioral Specifications.- Improved Processing of Textual Use Cases: Deriving Behavior Specifications.- A Dialogue-Based NLIDB System in a Schedule Management Domain.- Experimental Assessment of the Practicality of a Fault-Tolerant System.- A Polynomial-Time Checkable Sufficient Condition for Deadlock-Freedom of Component-Based Systems.- Extracting Zing Models from C Source Code.- Parameterised Extra-Functional Prediction of Component-Based Control Systems – Industrial Experience.- Explicit Connectors in Component Based Software Engineering for Distributed Embedded Systems.