JurisConsulto: retrieval in jurisprudencial text bases using juridical terminology
ICAIL '99 Proceedings of the 7th international conference on Artificial intelligence and law
A Probabilistic Analysis of the Rocchio Algorithm with TFIDF for Text Categorization
ICML '97 Proceedings of the Fourteenth International Conference on Machine Learning
prefuse: a toolkit for interactive information visualization
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Enriching an ontology with multilingual information
ESWC'08 Proceedings of the 5th European semantic web conference on The semantic web: research and applications
Evaluating the effectiveness of a knowledge representation based on ontology in ontoweb system
FQAS'06 Proceedings of the 7th international conference on Flexible Query Answering Systems
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These research studies compare two methods for ontology creation and their corresponding tools. The main objective of this work is the building of a graphical editor for ontology construction, based on software usability criteria. This comparison shows which methods used in previous tools will remains in the new editor, and what new tools can be developed for enhancing the ontology management made using the old one. The use of graphics and diagrams helps in the discovery of new knowledge, from information received from various sources, being the Internet or databases. This new type of editor improves the visualization of relations between the terms of ontologies and thereby improves the efficiency of its construction for commercial application systems. In addition, this form of information representation, based on these diagrams, will allow information systems based on ontologies to identify - automatically -concepts, hidden elements, the flow time between the events of cause and consequences and the meaning of relations between the captured information. The Ontojuris project has the purpose given above, and it is described on this paper. The project consists of a multilingual information system for legal information retrieval associated with an ontology editor, called Knowledge Engineering Suite. The system accepts queries in one language, and allows information retrieval based on similarity of documents, written in one of several languages. The multilingual ontology editor works with the concept of Universal Words (UW's). The UWs are universal representations of things and objects, and it is developed inside the UNL Project (being UNL an acronym for Universal Networking Language) and allows the query expansion in a multilingual way. Query expansion can improve searching process, required by user, by including additional terms which have similar meaning to the original query. In this study, we proposed a new expansion method which is based on domain ontology and UWs, to achieve better performance for a multilingual information retrieval. So, the Ontojuris project aims to facilitate access to information on legislation in the area of Intellectual Property Law, Consumer Rights and Electronic Law in the consortium formed by researches in Brazil, Chile, Spain and Argentina.