Ontology-based extraction and structuring of information from data-rich unstructured documents
Proceedings of the seventh international conference on Information and knowledge management
Maintaining knowledge about temporal intervals
Communications of the ACM
Timing Is Everything: Temporal Reasoning and Temporal Data Maintenance in Medicine
AIMDM '99 Proceedings of the Joint European Conference on Artificial Intelligence in Medicine and Medical Decision Making
A Probabilistic Extension to Ontology Language OWL
HICSS '04 Proceedings of the Proceedings of the 37th Annual Hawaii International Conference on System Sciences (HICSS'04) - Track 4 - Volume 4
A proposal for an owl rules language
Proceedings of the 13th international conference on World Wide Web
A temporal constraint structure for extracting temporal information from clinical narrative
Journal of Biomedical Informatics
A Fuzzy Semantics for the Resource Description Framework
Uncertainty Reasoning for the Semantic Web I
Applied Temporal RDF: Efficient Temporal Querying of RDF Data with SPARQL
ESWC 2009 Heraklion Proceedings of the 6th European Semantic Web Conference on The Semantic Web: Research and Applications
RuleML'05 Proceedings of the First international conference on Rules and Rule Markup Languages for the Semantic Web
Toward semantic web based knowledge representation and extraction from electronic health records
Proceedings of the first international workshop on Managing interoperability and complexity in health systems
Annotating and learning event durations in text
Computational Linguistics
Towards event sequence representation, reasoning and visualization for EHR data
Proceedings of the 2nd ACM SIGHIT International Health Informatics Symposium
Time-Related Patient Data Retrieval for the Case Studies from the Pharmacogenomics Research Network
Journal of Medical Systems
Incorporating semantic knowledge into dynamic data processing for smart power grids
ISWC'12 Proceedings of the 11th international conference on The Semantic Web - Volume Part II
Semantator: Semantic annotator for converting biomedical text to linked data
Journal of Biomedical Informatics
Towards generating a patient's timeline: Extracting temporal relationships from clinical notes
Journal of Biomedical Informatics
Temporal relation discovery between events and temporal expressions identified in clinical narrative
Journal of Biomedical Informatics
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The ability to answer temporal-oriented questions based on clinical narratives is essential to clinical research. The temporal dimension in medical data analysis enables clinical researches on many areas, such as, disease progress, individualized treatment, and decision support. The Semantic Web provides a suitable environment to represent the temporal dimension of the clinical data and reason about them. In this paper, we introduce a Semantic-Web based framework, which provides an API for querying temporal information from clinical narratives. The framework is centered by an OWL ontology called CNTRO (Clinical Narrative Temporal Relation Ontology), and contains three major components: time normalizer, SWRL based reasoner, and OWL-DL based reasoner. We also discuss how we adopted these three components in the clinical domain, their limitations, as well as extensions that we found necessary or desirable to archive the purposes of querying time-oriented data from real-world clinical narratives.