Academic Research Experience

2011-2014
Graduate Researcher, Multimodal Aspects of Discourse Research Lab, FedEx Inst. Of Tech., Memphis TN
  • Unsupervised learning of structural information in text using pattern mining and variable order Markov chains.
  • Using the structural information to discover thematic roles from a corpus.
  • Building distributional information based models to bootstrap grammatical information from natural text.
  • Built crime content analysis tool for Shelby County Sheriff’s Office.
  • Probabilistic retrieval of crime documents based on the content, geographic, and emotional information present in the report.
  • Analyzed electronic health records (EHR), for subjective and objective information present in chart notes.
  • Developed a web-based EHR system, which gives feedback to the doctors based on linguistic features such as emotion, stress, etc.
  • Developed N-grams based algorithms for detection of affective states, language markers, for content analysis in the text written in English.
  • Developed Line Break algorithm based on the difficulty of words present in the text. This algorithm is currently available in LineBreak iPhone application hosted by PNotion.
  • Predicting stock market from newspapers using Linguistic Enquiry and Word Count (LIWC) data.
  • Predicting billboard rank of songs, based on the language in lyrics.
  • Discovering relation between disease and symptoms based on higher order correlations.
  • Discovering the social network of characters based on language in the fictional text.
2013-2014
Student Researcher, IIS. FedEx Inst. Of Tech., Memphis TN.
  • Worked on Hidden Markov Model (HMM) models for capturing the interaction between tutor and student, in the agent-based online tutoring systems.
2010-2011
High Perf. Comp. and Networking Lab, Univ. of Memphis TN.
  • Worked on statistical models to predict the execution time of scientific workflows in the heterogeneous computational cloud environment.
  • Developed non-parametric regression models for scientific workflow optimization.
2009-2010
Game Theory for Comp. Security Lab., Univ. of Memphis TN.
  • Developed schemes for using Game theory for defense of existing computer networks, against DDoS (Distributed Denial of Service) attack
2006-2008
Cognitve Computing Research Group, FedEx Inst. Of Tech., Memphis TN.
  • Integrated Perceptual Associative Memory, Workspace, Procedural Memory of Learning Intelligent Distribution Agent (LIDA).
  • Analyzed the behavior of the animal in Tyrrell’s world simulator, where mind of a the animal is LIDA