Sumithra Velupillai attended the 13th International Conference on Intelligent Text Processing and Computational Linguistics (CICLing 2012) at the Indian Institute of Technology Delhi, New Delhi, India, March 11-17.
At CICLing 2012, Sumithra presented the paper Fine–grained Certainty Level Annotations Used for Coarser-grained E-health Scenarios — Certainty Classification of Diagnostic Statements in Swedish Clinical Text, co-written with Dr. Maria Kvist. In this paper, the certainty level annotations in the Stockholm EPR Diagnosis-Factuality Corpus are used for classifying real-world e-health scenarios: adverse event surveillance, decision support alerts and automatic summaries. Promising results are obtained, using simple local context features. Annotation discrepancies are analyzed qualitatively through manual corpus analysis. The main findings are that it is feasible to use a corpus of fine-grained certainty level annotations to build classifiers for coarser-grained real-world scenarios: 0.89, 0.91 and 0.8 F-score (overall average). The paper is published in the Springer LNCS-series.
The conference organized tours to Agra, Delhi and Jaipur, which was very nice!