Term-weighting approaches in automatic text retrieval
Information Processing and Management: an International Journal
Exploring the use of concept spaces to improve medical information retrieval
Decision Support Systems
Formal Concept Analysis: Mathematical Foundations
Formal Concept Analysis: Mathematical Foundations
Modern Information Retrieval
Learning to Classify Text Using Support Vector Machines: Methods, Theory and Algorithms
Learning to Classify Text Using Support Vector Machines: Methods, Theory and Algorithms
Introduction to Modern Information Retrieval
Introduction to Modern Information Retrieval
The Semantics of Relationships: An Interdisciplinary Perspective
The Semantics of Relationships: An Interdisciplinary Perspective
Automatic Fuzzy Ontology Generation for Semantic Web
IEEE Transactions on Knowledge and Data Engineering
Text retrieval with more realistic concept matching and reinforcement learning
Information Processing and Management: an International Journal
On the universality of rank distributions of website popularity
Computer Networks: The International Journal of Computer and Telecommunications Networking
Fast factorization by similarity in formal concept analysis of data with fuzzy attributes
Journal of Computer and System Sciences
Experimental perspectives on learning from imbalanced data
Proceedings of the 24th international conference on Machine learning
A citation-based document retrieval system for finding research expertise
Information Processing and Management: an International Journal
Editorial: Introduction to the special issue on decision support in medicine
Decision Support Systems
The class imbalance problem: A systematic study
Intelligent Data Analysis
Formalizing ICD coding rules using Formal Concept Analysis
Journal of Biomedical Informatics
Formal concept analysis in information science
Annual Review of Information Science and Technology
The automatic creation of literature abstracts
IBM Journal of Research and Development
Ontology-based concept similarity in Formal Concept Analysis
Information Sciences: an International Journal
Selecting fuzzy if-then rules for classification problems using genetic algorithms
IEEE Transactions on Fuzzy Systems
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Objective: With the non-stop increases in medical treatment fees, the economic survival of a hospital in Taiwan relies on the reimbursements received from the Bureau of National Health Insurance, which in turn depend on the accuracy and completeness of the content of the discharge summaries as well as the correctness of their International Classification of Diseases (ICD) codes. The purpose of this research is to enforce the entire disease classification framework by supporting disease classification specialists in the coding process. Methodology: This study developed an ICD code advisory system (ICD-AS) that performed knowledge discovery from discharge summaries and suggested ICD codes. Natural language processing and information retrieval techniques based on Zipf's Law were applied to process the content of discharge summaries, and fuzzy formal concept analysis was used to analyze and represent the relationships between the medical terms identified by MeSH. In addition, a certainty factor used as reference during the coding process was calculated to account for uncertainty and strengthen the credibility of the outcome. Results: Two sets of 360 and 2579 textual discharge summaries of patients suffering from cerebrovascular disease was processed to build up ICD-AS and to evaluate the prediction performance. A number of experiments were conducted to investigate the impact of system parameters on accuracy and compare the proposed model to traditional classification techniques including linear-kernel support vector machines. The comparison results showed that the proposed system achieves the better overall performance in terms of several measures. In addition, some useful implication rules were obtained, which improve comprehension of the field of cerebrovascular disease and give insights to the relationships between relevant medical terms. Conclusion: Our system contributes valuable guidance to disease classification specialists in the process of coding discharge summaries, which consequently brings benefits in aspects of patient, hospital, and healthcare system.