Research Interests

• Machine Translation and Related techniques
• Information Retrieval and Mining
• Machine Learning Applications
• Digital Libraries
• Software Engineering - Process, Architecture and Assurance

Downloads

• Rule Transduction toolkit

Current Research Projects

• Machine Translation - Combining Statistical and Transfer based approaches
  • English to Hindi
  • English to Telugu
• Universal Library Project Million Book Project, Digital Library of India
• Universal Dictionary Project (conceived by Dr.Michael Shamos ) , An online version
• Cross Lingual IR European languages prototype , Indian languages prototype
• Autovita

Publications

• Alon Lavie, Alok Parlikar, Vamshi Ambati: Syntax-driven Learning of Sub-sentential Translation Equivalents and Translation Rules from Parsed Parallel Corpora: In Proceedings of Syntax and Structure in Statistical Translation (SSST ) Workshop at ACL 2008. (pdf)
• Christian Monson, Ariadna Font Llitj, Vamshi Ambati, Lori Levin Alon Lavie Alison Alvarez, Roberto Aranovich, Jaime Carbonell, Robert Frederking, Erik Peterson, Katharina Probst: Linguistic Structure and Bilingual Informants Help Induce Machine Translation of Lesser-Resourced Languages. In Poster Proceedings of LREC 2008 (pdf)
• Rohini U, Vamshi Ambati and Vasudeva Varma: Statistical Machine Translational Models for Personalized Search. Accepted at International Joint Conference on Natural Language Processing (IJCNLP 2008)
• Vamshi Ambati and Rohini U: A Hybrid Approach to Example based Machine Translation for Indian Languages. (Poster Paper) Accepted at 5th International Conference on Natural Language Processing (ICON 2007)
• Vamshi Ambati and Rohini U: Using Monolingual Clickthrough data to build Cross Lingual Search Systems. Accepted at New Directions in Multilingual Information Access, Workshop held at SIGIR 2006.
• Rohini.U and Vamshi Ambati: Improving Search Results using Collaborative Filtering, In the Proceedings of 4th ITWP, Workshop held at AAAI 2006.
  ** This paper has also been accepted at the Asia Information Retrieval Symposium (AIRS) 2006
• Rohini U and Vamshi Ambati: A Collaborative Filtering based Re-ranking Strategy for search in Digital Libraries.  In the proceedings of 8th ICADL - 2005, Bangkok (pdf)
• Akshar Bharati, Sriram V, Vamshi Krishna A, Rajeev Sangal and Sushma Bendre: An Algorithm for Aligning Sentences in Bilingual Corpora Using Lexical Information. In Proceedings of ICON-2002, Bombay. (pdf)

Digital Libraries

• Rohini U and Vamshi Ambati: Extracting Keyphrases from books using language modeling approaches. In Proceedings of the 3rd ICUDL November 2007, Pittsburgh, USA.
• Vamshi Ambati, Rohini U, Pramod P, Balakrishnan N, Raj Reddy: Multilingual Information Access in a Digital Library : Information Retrieval and Translation Accepted at the 2nd ICUDL November 2006, Alexandria
• Padmasree Lam, Vamshi Ambati, Anand Chandulal Jasthi and Sreenivasa Rao Meda: Signature based duplicate detection in Digital Libraries Accepted at the 2nd ICUDL November 2006, Alexandria
• N.Balakrishnan, Raj Reddy, Madhavi Ganapathiraju and Vamshi Ambati : Digital Library of India: A Test Bed for Indian Language Research In the Proceedings of the IEEE Technical Committee on Digital Libraries(TCDL) Bulletin - 2006 (html)
• Vamshi Ambati, N.Balakrishnan, Raj Reddy, Lakshmi Pratha, C V Jawahar: The Digital Library of India Project: Process, Policies and Architecture,  Accepted for publication in the 2nd ICDL ,2007 New Delhi (pdf)
• Chetan Jakkoju, Sreekanth Vempati, Rakesh Bodla, Vamshi Ambati, C.V Jawahar : Book Reader Interface: Image Processing Issues Accepted at the 2nd ICUDL, November 2006, Alexandria
• C.V Jawahar, Pramod Sankar, Vamshi Ambati: Digitizing Million Books: Challenges for Document Analysis Accepted for publication at 7th IAPR Workshop on Document Analysis Systems
• Vamshi Ambati, Pramod Sankar, Lakshmi Pratha, C.V. Jawahar: Quality Management in Digital Libraries, Accepted for publication in the 1st ICUDL - 2005, Hangzhou, China (pdf)
• Lakshmi Pratha, Vamshi Ambati and Pramod Sankar: Content Development for Digital Libraries: Regional Mega Scanning Centre Hyderabad  , Digital Libraries Special issue, VishwaBharati July'05 Magazine TDIL, Government of India. (pdf)

• Lakshmi Pratha, Manjunath Mattam, Vamshi Ambati, Raj Reddy : Multimedia Digital Library: Performance and Scalability Issues Accepted at the 2nd ICUDL, November 2006, Alexandria
• Vamshi Ambati and Raj Reddy: Towards a Self healing Information System for Digital Libraries In the proceedings of the 1st ICUDL - 2005, Hangzhou, China (Also appears in the Journal of Zhejiang University SCIENCE - JZUS) (pdf)
• Vamshi Ambati and S.P. Kishore: How can Academic Software Research and Open Source Software Engineering help each other?, Positional Paper at the fourth International Workshop on Open Source Software Engineering, at the ICSE-2004, Scotland. (pdf)

Reports/Talks

• Vamshi Ambati : Dependency Structure Trees in Syntax Based Machine Translation
  11-734 Spring 2008, Survey Report (pdf)
• Vamshi Ambati and Wei Chen: Cross-Lingual Syntax Projection for Resource-poor Languages
  11-762 Fall 2007, Survey Report (pdf)
• Vamshi Ambati: Occurence Based Statistics in Machine Translation
  11-731 Spring 2007, Project Report (pdf)
• Vamshi Ambati, Rohini U, Nazeer Hussain and Raj Reddy : Autovita: A 360 degree view of Person Related Information on the WWW
  Unpublished Report (pdf)
• International User Interfaces: A Design Challenge
  Presentation at CMU towards 17-763 Methods: Deciding what to design?, Fall 2005
• Dynamism in Software Architecture: A Survey
  Report towards 17-765 Architectures for Software Systems, Spring 2004 (pdf)

Click here to view the list of projects I worked/working on.

Click here to view my CV