Browsing by Author "Kumar, Rahul"
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Item An analysis of the impact of foreign collaborations on production, exports and imports in India(1993) Kumar, Rahul; Yi, Kei-MuThis thesis examines at a micro-level the effect of foreign collaborations in India on trade and production. The data used is classified according to the Standard International Trade Classification (SITC). It is examined at both the one digit (sector) and the two digit (industry) levels. The results of the analysis are inconclusive. This is possibly due to the lack of availability of sufficient foreign collaborations data and the lack of sufficient disaggregation of data relating to domestic investment. With the availability of additional data on foreign collaborations and disaggregated data on domestic investment, it is hoped that this study would lead to stronger, more conclusive results under the adopted framework.Item Learning to Highlight Relevant Text in Binary Classified Documents(2013-12-16) Kumar, Rahul; Jermaine, Christopher M.; Kavraki, Lydia E.; Nakhleh, Luay K.Answering questions like “has this person ever been treated for breast cancer?” are critical for the success of tasks like clinical trial design, association analysis, documentation of mandatory discharge summary, etc. In this thesis, I argue that traditional machine learning approaches have had limited success addressing this problem and present a better approach to answering these questions. In order to address the above problem, I take a different approach which annotates key textual passages, which are then used in answering these questions. This approach is superior as it doesn’t involve going through the whole electronic medical record (EMR). This thesis is an attempt to understand how to model such annotations for an EMR. These annotations will help in answering questions which otherwise require reading the whole text. In this thesis I present efficient inference algorithm for existing “Word Label Regression” (WLR) model and extend it to extract more accurate key textual passages. The extended version of the algorithm explores one can use language features like punctuations to model annotations effectively.