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Olga Medvedeva
Researcher at University of Pittsburgh
Publications - 18
Citations - 557
Olga Medvedeva is an academic researcher from University of Pittsburgh. The author has contributed to research in topics: Intelligent tutoring system & Metacognition. The author has an hindex of 12, co-authored 17 publications receiving 478 citations.
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Journal ArticleDOI
An intelligent tutoring system for visual classification problem solving
TL;DR: Using the general visual classification tutor, SlideTutor is created, a tutoring system for microscopic diagnosis of inflammatory diseases of skin.
Journal ArticleDOI
DeepPhe: A Natural Language Processing System for Extracting Cancer Phenotypes from Clinical Records
Guergana Savova,Eugene Tseytlin,Sean Finan,Melissa Castine,Timothy A. Miller,Timothy A. Miller,Olga Medvedeva,David J. Harris,Harry Hochheiser,Chen Lin,Girish Chavan,Rebecca S. Jacobson +11 more
TL;DR: The DeepPhe software enables automated extraction of detailed phenotype information from electronic medical records of cancer patients, and provides critical and missing computational methods for computational phenotyping that will further accelerate the transition to precision cancer treatment.
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Automated annotation and classification of BI-RADS assessment from radiology reports
Sergio M. Castro,Eugene Tseytlin,Olga Medvedeva,Kevin J. Mitchell,Shyam Visweswaran,Tanja Bekhuis,Rebecca S. Jacobson +6 more
TL;DR: A natural language processing (NLP) system that is able to annotate and classify all BI-RADS mentions present in a single radiology report and can serve as the foundation for future studies that will leverage automated BI- RADS annotation to provide feedback to radiologists as part of a learning health system loop.
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TCGA Expedition: A Data Acquisition and Management System for TCGA Data
Uma R. Chandran,Olga Medvedeva,M. Michael Barmada,Philip D. Blood,Anish Chakka,Soumya Luthra,Antonio Ferreira,Kim F. Wong,Adrian V. Lee,Zhihui Zhang,Robert Budden,J. Ray Scott,Annerose Berndt,Jeremy M Berg,Rebecca S. Jacobson +14 more
TL;DR: The open-source, freely available TCGA Expedition software can be used to create a local collaborative infrastructure for acquiring, managing, and analyzing TCGA data and other large public datasets.
Journal ArticleDOI
Factors Affecting Feeling-of-knowing in a Medical Intelligent Tutoring System – the role of Immediate Feedback as a Metacognitive Scaffold
Gilan M. El Saadawi,Roger Azevedo,Melissa Castine,Velma L. Payne,Olga Medvedeva,Eugene Tseytlin,Elizabeth Legowski,Drazen M. Jukic,Rebecca S. Crowley +8 more
TL;DR: Results showed that immediate feedback in an intelligent tutoring system had a statistically significant positive effect on learning gains, G and discrimination, and this decline was not prevented when students used a version of the tutors system that provided other metacognitive scaffolds.