Alexander Kotov

2026

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Conversational Entity Retrieval from a Knowledge Graph using Aggregation of Fine-grained Relevance Signals with Graph Convolutions and Self-Attention.
Mona Zamiri|Alexander Kotov
Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026

2024

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Benchmark and Neural Architecture for Conversational Entity Retrieval from a Knowledge Graph.
Mona Zamiri|Yao Qiang|Fedor Nikolaev|Dongxiao Zhu|Alexander Kotov
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

2020

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Joint Word and Entity Embeddings for Entity Retrieval from a Knowledge Graph.
Fedor Nikolaev|Alexander Kotov
Advances in Information Retrieval - 42nd European Conference on IR Research, ECIR 2020, Lisbon, Portugal, April 14-17, 2020, Proceedings, Part I

2018

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Attentive Neural Architecture for Ad-hoc Structured Document Retrieval.
Saeid Balaneshinkordan|Alexander Kotov|Fedor Nikolaev
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018
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Utilizing Knowledge Graphs for Text-Centric Information Retrieval.
Laura Dietz|Alexander Kotov|Edgar Meij
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018
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Deep Neural Architecture for Multi-Modal Retrieval based on Joint Embedding Space for Text and Images.
Saeid Balaneshin Kordan|Alexander Kotov
Proceedings of the Eleventh ACM International Conference on Web Search and Data Mining, WSDM 2018, Marina Del Rey, CA, USA, February 5-9, 2018

2017

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Sentence Retrieval with Sentiment-specific Topical Anchoring for Review Summarization.
Jiaxing Tan|Alexander Kotov|Rojiar Pir Mohammadiani|Yumei Huo
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017
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Embedding-based Query Expansion for Weighted Sequential Dependence Retrieval Model.
Saeid Balaneshinkordan|Alexander Kotov
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017
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DBpedia-Entity v2: A Test Collection for Entity Search.
Faegheh Hasibi|Fedor Nikolaev|Chenyan Xiong|Krisztian Balog|Svein Erik Bratsberg|Alexander Kotov|Jamie Callan
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017
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Utilizing Knowledge Graphs in Text-centricInformation Retrieval.
Laura Dietz|Alexander Kotov|Edgar Meij
Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, WSDM 2017, Cambridge, United Kingdom, February 6-10, 2017
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Probabilistic Social Sequential Model for Tour Recommendation.
Vineeth Rakesh|Niranjan Jadhav|Alexander Kotov|Chandan K. Reddy
Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, WSDM 2017, Cambridge, United Kingdom, February 6-10, 2017

2016

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10th Russian Summer School in Information Retrieval (RuSSIR 2016).
Alexander Kotov|Elena Treshcheva|Leonid Bessonov|Dmitry I. Ignatov|Yana Volkovich|Maria Eskevich|Pavel Braslavski
SIGIR Forum 2016 Volume 50 Issue 2
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Sequential Query Expansion using Concept Graph.
Saeid Balaneshinkordan|Alexander Kotov
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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A Comparative Study of Query-biased and Non-redundant Snippets for Structured Search on Mobile Devices.
Nikita V. Spirin|Alexander S. Kotov|Karrie G. Karahalios|Vassil Mladenov|Pavel A. Izhutov
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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An Empirical Comparison of Term Association and Knowledge Graphs for Query Expansion.
Saeid Balaneshinkordan|Alexander Kotov
Advances in Information Retrieval - 38th European Conference on IR Research, ECIR 2016, Padua, Italy, March 20-23, 2016. Proceedings
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Feedback or Research: Separating Pre-purchase from Post-purchase Consumer Reviews.
Mehedi Hasan|Alexander Kotov|Aravind Mohan|Shiyong Lu|Paul M. Stieg
Advances in Information Retrieval - 38th European Conference on IR Research, ECIR 2016, Padua, Italy, March 20-23, 2016. Proceedings
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A Study of Document Expansion using Translation Models and Dimensionality Reduction Methods.
Saeid Balaneshinkordan|Alexander Kotov
Proceedings of the 2016 ACM on International Conference on the Theory of Information Retrieval, ICTIR 2016, Newark, DE, USA, September 12- 6, 2016
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Optimization Method for Weighting Explicit and Latent Concepts in Clinical Decision Support Queries.
Saeid Balaneshinkordan|Alexander Kotov
Proceedings of the 2016 ACM on International Conference on the Theory of Information Retrieval, ICTIR 2016, Newark, DE, USA, September 12- 6, 2016
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Utilizing Knowledge Bases in Text-centric Information Retrieval.
Laura Dietz|Alexander Kotov|Edgar Meij
Proceedings of the 2016 ACM on International Conference on the Theory of Information Retrieval, ICTIR 2016, Newark, DE, USA, September 12- 6, 2016
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Parameterized Fielded Term Dependence Models for Ad-hoc Entity Retrieval from Knowledge Graph.
Fedor Nikolaev|Alexander Kotov|Nikita Zhiltsov
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

2015

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Improving Difficult Queries by Leveraging Clusters in Term Graph.
Rajul Anand|Alexander Kotov
Information Retrieval Technology - 11th Asia Information Retrieval Societies Conference, AIRS 2015, Brisbane, QLD, Australia, December 2-4, 2015. Proceedings
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Geographical Latent Variable Models for Microblog Retrieval.
Alexander Kotov|Vineeth Rakesh|Eugene Agichtein|Chandan K. Reddy
Advances in Information Retrieval - 37th European Conference on IR Research, ECIR 2015, Vienna, Austria, March 29 - April 2, 2015. Proceedings
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An Empirical Comparison of Statistical Term Association Graphs with DBpedia and ConceptNet for Query Expansion.
Rajul Anand|Alexander Kotov
Proceedings of the 7th Forum for Information Retrieval Evaluation, FIRE 2015, Gandhinagar, India, December 4-6, 2015
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Parametric and Non-parametric User-aware Sentiment Topic Models.
Zaihan Yang|Alexander Kotov|Aravind Mohan|Shiyong Lu
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015
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Fielded Sequential Dependence Model for Ad-Hoc Entity Retrieval in the Web of Data.
Nikita Zhiltsov|Alexander Kotov|Fedor Nikolaev
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015
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WSU-IR at TREC 2015 Clinical Decision Support Track: Joint Weighting of Explicit and Latent Medical Query Concepts from Diverse Sources.
Saeid Balaneshinkordan|Alexander Kotov|Railan Xisto
Proceedings of The Twenty-Fourth Text REtrieval Conference, TREC 2015, Gaithersburg, Maryland, USA, November 17-20, 2015

2013

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The importance of being socially-savvy: quantifying the influence of social networks on microblog retrieval.
Alexander Kotov|Eugene Agichtein
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013
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Leveraging geographical metadata to improve search over social media.
Alexander Kotov|Yu Wang|Eugene Agichtein
22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013, Companion Volume

2012

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Tapping into knowledge base for concept feedback: leveraging conceptnet to improve search results for difficult queries.
Alexander Kotov|ChengXiang Zhai
Proceedings of the Fifth International Conference on Web Search and Web Data Mining, WSDM 2012, Seattle, WA, USA, February 8-12, 2012

2011

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Interactive sense feedback for difficult queries.
Alexander Kotov|ChengXiang Zhai
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011
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Modeling and analysis of cross-session search tasks.
Alexander Kotov|Paul N. Bennett|Ryen W. White|Susan T. Dumais|Jaime Teevan
Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011
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Mining named entities with temporally correlated bursts from multilingual web news streams.
Alexander Kotov|ChengXiang Zhai|Richard Sproat
Proceedings of the Forth International Conference on Web Search and Web Data Mining, WSDM 2011, Hong Kong, China, February 9-12, 2011

2010

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Temporal query log profiling to improve web search ranking.
Alexander Kotov|Pranam Kolari|Lei Duan|Yi Chang
Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010
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Towards natural question guided search.
Alexander Kotov|ChengXiang Zhai
Proceedings of the 19th International Conference on World Wide Web, WWW 2010, Raleigh, North Carolina, USA, April 26-30, 2010