The papers in this volume are the refereed technical papers presented at AI-2007, the Twenty-seventh SGAI International Conference on Innovative Techniques and Applications of Artificial Intelligence, held in Cambridge in December 2007.

"The papers in this volume are the refereed technical papers presented at AI-2007, the Twenty-seventh SGAI International Conference on Innovative Techniques and Applications of Artificial Intelligence, held in Cambridge in December 2007.They present new and innovative developments in the field, divided into sections on Constraint Satisfaction, AI Techniques, Data Mining and Machine Learning, Multi-Agent Systems, Data Mining and Knowledge Acquisition and Management, followed by the text of short papers presented as posters at the conference.This is the twenty-fourth volume in the Research and Development series. The series is essential reading for those who wish to keep up to date with developments in this important field.The Application Stream papers are published as a companion volume under the title Applications and Innovations in Intelligent Systems XV."

Technical Keynote Address.- Adventures in Personalized Web Search.- Best Technical Paper.- An Evolutionary Algorithm-Based Approach to Robust Analog Circuit Design using Constrained Multi-Objective Optimization.- Constraint Satisfaction.- DisBO-wd: a Distributed Constraint Satisfaction Algorithm for Coarse-Grained Distributed Problems.- Construction of Heuristics for a Search-Based Approach to Solving Sudoku.- Escaping Local Optima: Constraint Weights vs. Value Penalties.- Dynamic Rule Mining for Argumentation Based Systems.- Ai Techniques.- Extending Jess to Handle Uncertainty.- Modelling Affective-based Music Compositional Intelligence with the Aid of ANS Analyses.- Supporting Temporal Information in Medical Care Planning.- Learning Sets of Sub-Models for Spatio-Temporal Prediction.- Data Mining And Machine Learning.- Frequent Set Meta Mining: Towards Multi-Agent Data Mining.- A Flexible Framework To Experiment With Ontology Learning Techniques.- Evolving a Dynamic Predictive Coding Mechanism for Novelty Detection.- Selecting Bi-Tags for Sentiment Analysis of Text.- Multi-Agent Systems.- Merging Intelligent Agency and the Semantic Web.- Can Agents Without Concepts Think? An Investigation Using a Knowledge Based System.- Effective Selection of Abstract Plans for Multi-Agent Systems.- Expressive security policy rules using Layered Conceptual Graphs.- Data Mining.- Relevance Feedback for Association Rules by Leveraging Concepts from Information Retrieval.- Visualization and Grouping of Graph Patterns in Molecular Databases.- A Classification Algorithm based on Concept Similarity.- Metrics for Mining Multisets.- Knowledge Acquisition And Management.- Knowledge Management for Evolving Products.- Recovery from Plan Failures in Partially Observable Environments.- Automatic Character Assignation.- Short Papers.- An Agent-Based Algorithm for Data Reduction.- Towards a Computationally Efficient Approach to Modular Classification Rule Induction.- Mobile Robots and EEG - A Review.- Studying Anticipation Behavior in ALife Simulator.- A Mereological Semantics of Contexts.- Spatial N-player Dilemmas in Changing Environments.- Training and Evaluating an E-tutor.- An Ambient Intelligence Application Integrating Agent and Service-Oriented Technologies.