My main research interests are: information retrieval, data mining, interactive systems, and statistical modeling.
I investigate users' behavior through user studies and by studying large-scale data logs. I use machine learning techniques to derive patterns and to model users' interaction behavior.
And My Thoughts........
I completed my PhD from School of Computing Science in University of Glasgow , Scotland in 2012. I was a member of
Information Retrieval Group, and I was supervised by Mounia Lalmas and Joemon Jose.
I was part of a research project with Yahoo! Research Alliance, Barcelona, Spain.
In the course of my doctoral studies I focused on aggregated web search, specifically, the result presentation issues related to aggregated search interfaces and the dynamics of user behavior in aggregated search paradigms. I investigated the influence of different interface related factors on user click-behavior and the evolution of user search behavior in an aggregated scenario. My work also investigated various design issues and challenges within an aggregated interface.
In my past research work I have been involved in projects related to:
Artificial Intelligence, Case Based Reasoning, Fuzzy Logic, Multi- criteria Decision Making and Document Image Processing.
"Two roads diverged in a wood, and I took the one less traveled by.......and that made all the difference" !!! (Robert Frost)
PhD: "A Study of Result Presentation and Interaction in Aggregated Search"
College of Science and Engineering, School of Computing Science, University of Glasgow, UK.
Bachelors of Engineering in Computer Science, North Maharashtra University, India. (2000 - 2004)
1. Visiting Research Scholar: University of California, Los Angeles, March 2012 - March 2013.
During my stay at UCLA I had the opportunity to explore ways to define and implement measures for estimating prior collaborations among authors within, and across organizations. The goal was to identify factors (features), which influence collaboration among authors, for which, a collection of 25 million journal articles, was analyzed. Finally, a regression model was built using the selected features to predict the future collaboration.
2. Researcher: University of Glasgow, UK, 2007-2012.
My graduate research was about the presentation of results from search when the search occurs across multiple physical sources or servers, each of them containing documents and media of a specific type (e.g., video, image, text). This is not specific to aggregated search, but a very important aspect of aggregated search. Such situation also arises in other web contexts, such as in digital libraries, where results from various sources and of different media can also be retrieved and thus need to be put together to form answers. This research contributes to the understanding of result presentation in the context of aggregated search. For this purpose, I looked at various aspects of aggregated search, depending on the area of investigation. For instance, for the interface related investigations, the effect of position of different types of results such as: image, video, and news on users' click-behavior was analyzed. Whereas, when determining suitable selection of sources, the relevance of the physical sources was taken into account. The understanding came partly from conducting user studies and, from analyzing search engine log data.
3. Project Associate
, Indian Institute of Technology, Delhi, India, 2004-2007.
In this project a multi criteria fuzzy case-based decision making system for terrain model selection was developed.
The shell was designed to guide pilots during landing in an unknown terrain. The fuzzy multi- criterion decision tool was provided as the part of the shell for post- processing the output of the case based reasoner.
- Evaluation Methods: Parametric (T-Tests, Anova) and Non-Parametric (Wilcoxon rank-sum test).
- Statistical Methods: Language Modeling, Regression (Linear and Logistic), Text Classification.
- Programming Languages: Java, C++, visual c++ (prior experience), JSP, HTML, SQL.
- Statistical and Machine Learning tools/software: R and Octave.
- Opertaing Systems: Linux, Unix, Mac, Windows.
Awards and Scholarships:
- Student travel award by Microsoft, given to top ten best student papers at CIKM 2010.
- Recipient of School of Computing Science Funding, University of Glasgow (2010-2011).
- Recipient of FIMS Faculty Postgraduate Scholarship, University of Glasgow (2008-2010).
- Recipient of Queen Mary Studentship, University of London (2007-2008).
- Best Poster Award, PG Conference Queen Mary, London.
- Best Poster Design Award in Poster design competition, Queen Mary, London.
- Advance Database Systems
- Database Management Systems
- Procedural Programming
- Python Programming
- Human Computer Interaction and Professional Issues
Room G173, Sir Alwyn Williams Building,
Information Retrieval Group,
Computing Science Department,
University of Glasgow
Scotland, G12 8RZ