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Observation of new excited ${B} ^0_{s} $ states
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In: Eur.Phys.J.C ; https://hal.archives-ouvertes.fr/hal-03010999 ; Eur.Phys.J.C, 2021, 81 (7), pp.601. ⟨10.1140/epjc/s10052-021-09305-3⟩ (2021)
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Detecting Geospatial Location Descriptions in Natural Language Text ...
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Detecting Geospatial Location Descriptions in Natural Language Text ...
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Reinforcement learning for query-based multi-document extractive summarisation
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Outcomes and experiences of dialectical behaviour therapy for individuals with intellectual disabilities
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| 7 |
Mapping Wildlife Species Distribution With Social Media: Augmenting Text Classification With Species Names (Short Paper)
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| 8 |
Screening of cognitive functions: analysis and development of neuropsychological test instruments
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| 9 |
Observation of $B^0_s\to\bar{D}^0 K^0_S$ and evidence for $B^0_s\to\bar{D}^{*0} K^0_S$ decays
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KneeTex: An ontology-driven system for information extraction from MRI reports
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Abstract:
Background. In the realm of knee pathology, magnetic resonance imaging (MRI) has the advantage of visualising all structures within the knee joint, which makes it a valuable tool for increasing diagnostic accuracy and planning surgical treatments. Therefore, clinical narratives found in MRI reports convey valuable diagnostic information. A range of studies have proven the feasibility of natural language processing for information extraction from clinical narratives. However, no study focused specifically on MRI reports in relation to knee pathology, possibly due to the complexity of knee anatomy and a wide range of conditions that may be associated with different anatomical entities. In this paper we describe KneeTex, an information extraction system that operates in this domain. Methods. As an ontology–driven information extraction system, KneeTex makes active use of an ontology to strongly guide and constrain text analysis. We used automatic term recognition to facilitate the development of a domain–specific ontology with sufficient detail and coverage for text mining applications. In combination with the ontology, high regularity of the sublanguage used in knee MRI reports allowed us to model its processing by a set of sophisticated lexico–semantic rules with minimal syntactic analysis. The main processing steps involve named entity recognition combined with coordination, enumeration, ambiguity and co–reference resolution, followed by text segmentation. Ontology–based semantic typing is then used to drive the template filling process. Results. We adopted an existing ontology, TRAK (Taxonomy for RehAbilitation of Knee conditions), for use within KneeTex. The original TRAK ontology expanded from 1,292 concepts, 1,720 synonyms and 518 relationship instances to 1,621 concepts, 2,550 synonyms and 560 relationship instances. This provided KneeTex with a very fine–grained lexico–semantic knowledge base, which is highly attuned to the given sublanguage. Information extraction results were evaluated on a test set of 100 MRI reports. A gold standard consisted of 1,259 filled template records with the following slots: finding, finding qualifier, negation, certainty, anatomy and anatomy qualifier. KneeTex extracted information with precision of 98.00%, recall of 97.63% and F–measure of 97.81%, the values of which are in line with human–like performance. Conclusions. KneeTex is an open–source, stand–alone application for information extraction from narrative reports that describe an MRI scan of the knee. Given an MRI report as input, the system outputs the corresponding clinical findings in the form of JavaScript Object Notation objects. The extracted information is mapped onto TRAK, an ontology that formally models knowledge relevant for the rehabilitation of knee conditions. As a result, formally structured and coded information allows for complex searches to be conducted efficiently over the original MRI reports, thereby effectively supporting epidemiologic studies of knee conditions.
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Keyword:
QA75 Electronic computers. Computer science; QA76 Computer software
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URL: http://orca.cf.ac.uk/75959/
https://doi.org/10.1186/s13326-015-0033-1
http://orca.cf.ac.uk/75959/1/Spasic%20et%20al%202015.pdf
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| 11 |
KneeTex: An ontology-driven system for information extraction from MRI reports
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| 12 |
Evaluating hearing aid handling skills: a systematic and descriptive review
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| 13 |
Impact of citing papers for summarisation of clinical documents
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| 14 |
Semantic and geometric enrichment of 3D geo-spatial models with captioned photos and labelled illustrations
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Semantic and geometric enrichment of 3D geo-spatial models with captioned photos and labelled illustrations
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Auditory-verbal therapy for promoting spoken language development in children with permanent hearing impairments
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| 17 |
Refocusing Intelligence: Keeping Intelligence Relevant Beyond the Global War on Terrorism
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