1 Introduction: Theory and Methodology in Legal Ontology Engineering: Experiences and Future Directions&Pompeu Casanovas, Giovanni Sartor, Maria Angela Biasiotti, and Meritxell Fernandez-Barrera 1
2 The Legal Theory Perspective: Doctrinal Conceptual Systems vs. Computational Ontologies&Merilxell Fernandez-Barrera and Giovanni Sartor 15
3 Empirically Grounded Developments of Legal Ontologies: A Socio-Legal Perspective&Pompeu Casanovas, Nuria Casellas, and Joan-Josep Vallbe 49
4 A Cognitive Science Perspective on Legal Ontologies&Joost Breuker and Rinke Hoekstra 69
5 Social Ontology and Documentality&Maurizio Ferraris 83
6 The Case-Based Reasoning Approach: Ontologies for Analogical Legal Argument&Kevin D. Ashley 99
7 A Complex-System Approach: Legal Knowledge, Ontology, Information and Networks&Pierre Mazzega, Daniele Bourcier, Paul Bourgine, Nadia Nadah, and Romain Boulet 117
8 The Multi-Layered Legal Information Perspective&Guido Boella and PierCarlo Rossi 133
9 Legal Ontologies: The Linguistic Perspective&Maria Angela Biasiotti and Daniela Tiscornia 143
10 A Legal Document Ontology: The Missing Layer in Legal Document Modelling&Monica Palmirani, Luca Cervone, and Fabio Vitali 167
11 From Thesaurus Towards Ontologies in Large Legal Databases&Angel Sancho Ferrer, Carlos Fernandez Hernandez, and Jose Manuel Mateo Rivero 179
12 The Computational Ontology Perspective: Design Patterns for Web Ontologies&Aldo Gangemi, Valentina Presutti, and Eva Blomqvist 201
13 A Learning Approach for Knowledge Acquisition in the Legal Domain&Enrico Francesconi 219
14 Towards an Ontological Foundation for Services Science: The Legal Perspective&Roberta Ferrario, Nicola Guarino, and Meritxell Fernandez-Barrera 235
15 Legal Multimedia Ontologies and Semantic Annotation for Search and Retrieval&Jorge Gonzalez-Conejero 259
Author Index 273
Concepts Index 277