Olga Vechtomova


2017

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Disambiguating context-dependent polarity of words: An information retrieval approach
Olga Vechtomova
2017 Volume 53 Issue 5

2016

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Optimizing Nugget Annotations with Active Learning
Gaurav Baruah | Haotian Zhang | Rakesh Guttikonda | Jimmy Lin | Mark D. Smucker | Olga Vechtomova
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016

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Knowledge Graphs versus Hierarchies: An Analysis of User Behaviours and Perspectives in Information Seeking
Bahareh Sarrafzadeh | Alexandra Vtyurina | Edward Lank | Olga Vechtomova
Proceedings of the 2016 ACM Conference on Human Information Interaction and Retrieval, CHIIR 2016, Carrboro, North Carolina, USA, March 13-17, 2016

2014

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A method for automatic extraction of multiword units representing business aspects from user reviews
Olga Vechtomova
2014 Volume 65 Issue 7

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Combining document retrieval with knowledge graphs for exploratory search
Bahareh Sarrafzadeh | Olga Vechtomova
Fifth Information Interaction in Context Symposium, IIiX '14, Regensburg, Germany, August 26-29, 2014

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Exploring knowledge graphs for exploratory search
Bahareh Sarrafzadeh | Olga Vechtomova | Vlado Jokic
Fifth Information Interaction in Context Symposium, IIiX '14, Regensburg, Germany, August 26-29, 2014

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An Information Retrieval-Based Approach to Determining Contextual Opinion Polarity of Words
Olga Vechtomova | Kaheer Suleman | Jack Thomas
Advances in Information Retrieval - 36th European Conference on IR Research, ECIR 2014, Amsterdam, The Netherlands, April 13-16, 2014. Proceedings

2013

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University of Waterloo at the TREC 2013 Temporal Summarization Track
Gaurav Baruah | Rakesh Guttikonda | Adam Roegiest | Olga Vechtomova
Proceedings of The Twenty-Second Text REtrieval Conference, TREC 2013, Gaithersburg, Maryland, USA, November 19-22, 2013

2012

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A domain-independent approach to finding related entities
Olga Vechtomova | Stephen E. Robertson
2012 Volume 48 Issue 4

2010

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Facet-based opinion retrieval from blogs
Olga Vechtomova
2010 Volume 46 Issue 1

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University of Waterloo at TREC 2010: Legal Interactive
Mark D. Smucker | Charles L. A. Clarke | Gordon V. Cormack | Olga Vechtomova
Proceedings of The Nineteenth Text REtrieval Conference, TREC 2010, Gaithersburg, Maryland, USA, November 16-19, 2010

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Related Entity Finding: University of Waterloo at TREC 2010 Entity Track
Olga Vechtomova
Proceedings of The Nineteenth Text REtrieval Conference, TREC 2010, Gaithersburg, Maryland, USA, November 16-19, 2010

2009

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An Effectiveness Measure for Ambiguous and Underspecified Queries
Charles L. A. Clarke | Maheedhar Kolla | Olga Vechtomova
Advances in Information Retrieval Theory, Second International Conference on the Theory of Information Retrieval, ICTIR 2009, Cambridge, UK, September 10-12, 2009, Proceedings

2008

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Lexical cohesion and term proximity in document ranking
Olga Vechtomova | Murat Karamuftuoglu
2008 Volume 44 Issue 4

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University of Waterloo at TREC 2008 Blog Track
Olga Vechtomova
Proceedings of The Seventeenth Text REtrieval Conference, TREC 2008, Gaithersburg, Maryland, USA, November 18-21, 2008

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Novelty and diversity in information retrieval evaluation
Charles L. A. Clarke | Maheedhar Kolla | Gordon V. Cormack | Olga Vechtomova | Azin Ashkan | Stefan Büttcher | Ian MacKinnon
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008

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Improving Complex Interactive Question Answering with Wikipedia Anchor Text
Ian MacKinnon | Olga Vechtomova
Advances in Information Retrieval , 30th European Conference on IR Research, ECIR 2008, Glasgow, UK, March 30-April 3, 2008. Proceedings

2007

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Query expansion with terms selected using lexical cohesion analysis of documents
Olga Vechtomova | Murat Karamuftuoglu
2007 Volume 43 Issue 4

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Using Subjective Adjectives in Opinion Retrieval from Blogs
Olga Vechtomova
Proceedings of The Sixteenth Text REtrieval Conference, TREC 2007, Gaithersburg, Maryland, USA, November 5-9, 2007

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Enterprise Search: Identifying Relevant Sentences and Using Them for Query Expansion
Maheedhar Kolla | Olga Vechtomova
Proceedings of The Sixteenth Text REtrieval Conference, TREC 2007, Gaithersburg, Maryland, USA, November 5-9, 2007

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Complex Interactive Question Answering Enhanced with Wikipedia
Ian MacKinnon | Olga Vechtomova
Proceedings of The Sixteenth Text REtrieval Conference, TREC 2007, Gaithersburg, Maryland, USA, November 5-9, 2007

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Retrieval of discussions from enterprise mailing lists
Maheedhar Kolla | Olga Vechtomova
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007

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Ad Hoc Retrieval of Documents with Topical Opinion
Jason Skomorowski | Olga Vechtomova
Advances in Information Retrieval, 29th European Conference on IR Research, ECIR 2007, Rome, Italy, April 2-5, 2007, Proceedings

2006

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Noun phrases in interactive query expansion and document ranking
Olga Vechtomova
2006 Volume 9 Issue 4

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On document relevance and lexical cohesion between query terms
Olga Vechtomova | Murat Karamuftuoglu | Stephen E. Robertson
2006 Volume 42 Issue 5

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Elicitation and use of relevance feedback information
Olga Vechtomova | Murat Karamuftuoglu
2006 Volume 42 Issue 1

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In Enterprise Search: Methods to Identify Argumentative Discussions and to Find Topical Experts
Maheedhar Kolla | Olga Vechtomova
Proceedings of the Fifteenth Text REtrieval Conference, TREC 2006, Gaithersburg, Maryland, USA, November 14-17, 2006

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Identifying Relationships Between Entities in Text for Complex Interactive Question Answering Task
Olga Vechtomova | Murat Karamuftuoglu
Proceedings of the Fifteenth Text REtrieval Conference, TREC 2006, Gaithersburg, Maryland, USA, November 14-17, 2006

2005

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Report on the ACM International Workshop on Methodologies and Evaluation of Lexical Cohesion Techniques in Real-World Applications (ELECTRA 2005) held at SIGIR 2005
Olga Vechtomova | Rosie Jones | Gaël Dias
2005 Volume 39 Issue 2

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Experiments for HARD and Enterprise Tracks
Olga Vechtomova | Maheedhar Kolla | Murat Karamuftuoglu
Proceedings of the Fourteenth Text REtrieval Conference, TREC 2005, Gaithersburg, Maryland, USA, November 15-18, 2005

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The Role of Multi-word Units in Interactive Information Retrieval
Olga Vechtomova
Advances in Information Retrieval, 27th European Conference on IR Research, ECIR 2005, Santiago de Compostela, Spain, March 21-23, 2005, Proceedings

2004

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Approaches to High Accuracy Retrieval: Phrase-Based Search Experiments in the HARD Track
Olga Vechtomova | Murat Karamuftuoglu
Proceedings of the Thirteenth Text REtrieval Conference, TREC 2004, Gaithersburg, Maryland, USA, November 16-19, 2004

2003

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Query Expansion with Long-Span Collocates
Olga Vechtomova | Stephen E. Robertson | Susan Jones
2003 Volume 6 Issue 2

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Interactive Search Refinement Techniques for HARD Tasks
Olga Vechtomova | Eric Lam | Murat Karamuftuoglu
Proceedings of The Twelfth Text REtrieval Conference, TREC 2003, Gaithersburg, Maryland, USA, November 18-21, 2003