Olga Vechtomova

2017

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Disambiguating context-dependent polarity of words: An information retrieval approach.
Olga Vechtomova
Information Processing and Management 2017 Volume 53 Issue 5

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
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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

2014

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A method for automatic extraction of multiword units representing business aspects from user reviews.
Olga Vechtomova
Journal of the Association for Information Science and Technology (JASIST) 2014 Volume 65 Issue 7
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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
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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

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
Information Processing and Management 2012 Volume 48 Issue 4

2010

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Facet-based opinion retrieval from blogs.
Olga Vechtomova
Information Processing and Management 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
Information Processing and Management 2008 Volume 44 Issue 4
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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
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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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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

2007

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

2006

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Elicitation and use of relevance feedback information.
Olga Vechtomova|Murat Karamuftuoglu
Information Processing and Management 2006 Volume 42 Issue 1
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Noun phrases in interactive query expansion and document ranking.
Olga Vechtomova
Discover Computing 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
Information Processing and Management 2006 Volume 42 Issue 5
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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
SIGIR Forum 2005 Volume 39 Issue 2
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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
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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

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
Discover Computing 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