SIGIR '93 Proceedings of the 16th annual international ACM SIGIR conference on Research and development in information retrieval
Query expansion using lexical-semantic relations
SIGIR '94 Proceedings of the 17th annual international ACM SIGIR conference on Research and development in information retrieval
OHSUMED: an interactive retrieval evaluation and new large test collection for research
SIGIR '94 Proceedings of the 17th annual international ACM SIGIR conference on Research and development in information retrieval
Overview of the second text retrieval conference (TREC-2)
TREC-2 Proceedings of the second conference on Text retrieval conference
Information Processing and Management: an International Journal - Special issue on history of information science
A task-oriented approach to information retrieval evaluation
Journal of the American Society for Information Science - Special issue: evaluation of information retrieval systems
Query expansion using local and global document analysis
SIGIR '96 Proceedings of the 19th annual international ACM SIGIR conference on Research and development in information retrieval
Improving automatic query expansion
Proceedings of the 21st annual international ACM SIGIR conference on Research and development in information retrieval
Introduction to Modern Information Retrieval
Introduction to Modern Information Retrieval
The SMART Retrieval System—Experiments in Automatic Document Processing
The SMART Retrieval System—Experiments in Automatic Document Processing
Argumentative feedback: a linguistically-motivated term expansion for information retrieval
COLING-ACL '06 Proceedings of the COLING/ACL on Main conference poster sessions
Taxonomy alignment for interoperability between heterogeneous virtual organizations
Expert Systems with Applications: An International Journal
A parametric linguistics based approach for cross-lingual web querying
Data & Knowledge Engineering
Managing Word Mismatch Problems in Information Retrieval: A Topic-Based Query Expansion Approach
Journal of Management Information Systems
Exploring criteria for successful query expansion in the genomic domain
Information Retrieval
Terminological cleansing for improved information retrieval based on ontological terms
Proceedings of the WSDM '09 Workshop on Exploiting Semantic Annotations in Information Retrieval
Semantic business process integration based on ontology alignment
Expert Systems with Applications: An International Journal
Context-based online medical terminology navigation
Expert Systems with Applications: An International Journal
Mining linguistic cues for query expansion: applications to drug interaction search
Proceedings of the 18th ACM conference on Information and knowledge management
Automatic indexing and retrieval of encounter-specific evidence for point-of-care support
Journal of Biomedical Informatics
Medical query generation by term-category correlation
Information Processing and Management: an International Journal
Concept-Based Information Retrieval Using Explicit Semantic Analysis
ACM Transactions on Information Systems (TOIS)
An HL7-Aware multi-agent system for efficiently handling query answering in an e-health context
ODBASE'06/OTM'06 Proceedings of the 2006 Confederated international conference on On the Move to Meaningful Internet Systems: CoopIS, DOA, GADA, and ODBASE - Volume Part I
Multi-lingual web querying: a parametric linguistics based approach
NLDB'06 Proceedings of the 11th international conference on Applications of Natural Language to Information Systems
Taxonomy alignment for interoperability between heterogeneous digital libraries
ICADL'06 Proceedings of the 9th international conference on Asian Digital Libraries: achievements, Challenges and Opportunities
Enhancing electronic medical record retrieval through semantic query expansion
Information Systems and e-Business Management
An Integrated Query Relaxation Approach Adopting Data Abstraction and Fuzzy Relation
Journal of Database Management
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In retrieving medical free text, users are often interested in answers relevant to certain scenarios, scenarios that correspond to common tasks in medical practice, e.g., "treatment" or "diagnosis" of a disease. Consequently, the queries they pose are often scenario-specific, e.g., "lung cancer, treatment." A fundamental challenge in handling such queries is that scenario terms in the query (e.g. "treatment") are too general to match specialized terms in relevant documents (e.g. "lung excision"). In this paper we propose a knowledge-based query expansion method that exploits the UMLS knowledge source to append the original query with additional terms that are specifically relevant to the query's scenario(s). We compare the proposed method with statistical expansion that only explores statistical term correlation and expands terms that are not necessarily scenario specific. Our study on the OHSUMED testbed shows that the knowledge-based method which results in scenario-specific expansion is able to improve more than 5% over the statistical method on average, and about 10% for queries that mention certain scenarios, such as "treatment of a disease" and "differential diagnosis of a symptom/disease."