Information extraction and text summarization using linguistic knowledge acquisition
Information Processing and Management: an International Journal
Query expansion using lexical-semantic relations
SIGIR '94 Proceedings of the 17th annual international ACM SIGIR conference on Research and development in information retrieval
Toward principles for the design of ontologies used for knowledge sharing
International Journal of Human-Computer Studies - Special issue: the role of formal ontology in the information technology
WordNet: a lexical database for English
Communications of the ACM
Evaluating evaluation measure stability
SIGIR '00 Proceedings of the 23rd annual international ACM SIGIR conference on Research and development in information retrieval
Conceptual linking: ontology-based open hypermedia
Proceedings of the 10th international conference on World Wide Web
Design and evaluation of a content-based image retrieval system
Design and management of multimedia information systems
Automatic Ontology-Based Knowledge Extraction from Web Documents
IEEE Intelligent Systems
CLEF '00 Revised Papers from the Workshop of Cross-Language Evaluation Forum on Cross-Language Information Retrieval and Evaluation
Methods in biomedical ontology
Journal of Biomedical Informatics - Special issue: Biomedical ontologies
A review of ontology based query expansion
Information Processing and Management: an International Journal
Overview of the ImageCLEFmed 2006 medical retrieval and medical annotation tasks
CLEF'06 Proceedings of the 7th international conference on Cross-Language Evaluation Forum: evaluation of multilingual and multi-modal information retrieval
CLEF'06 Proceedings of the 7th international conference on Cross-Language Evaluation Forum: evaluation of multilingual and multi-modal information retrieval
Using MeSH to expand queries in medical image retrieval
MCBR-CDS'11 Proceedings of the Second MICCAI international conference on Medical Content-Based Retrieval for Clinical Decision Support
Generating web-based corpora for video transcripts categorization
Expert Systems with Applications: An International Journal
Improving context-based medical image retrieval by incorporating semantic-based retrieval
Proceedings of the 4th International Conference on Internet Multimedia Computing and Service
Semantic query reformulation: the NIF experience
Proceedings of the 25th International Conference on Scientific and Statistical Database Management
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Searching biomedical information in a large collection of medical data is a complex task. The use of tools and biomedical resources could ease the retrieval of the information desired. In this paper, we use the medical ontology MeSH to improve a Multimodal Information Retrieval System by expanding the user's query with medical terms. In order to accomplish our experiments, we have used the dataset provided by ImageCLEFmed task organizers for years 2005 and 2006. This dataset is composed of a multimodal collection (images and text) of clinical cases, a list of queries for each year, and a list of relevance judgments for each query to evaluate the results. The results from the experiments show that the use of a medical ontology to expand the queries greatly improves the results.