2022

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Beyond NED: Fast and Effective Search Space Reduction for Complex Question Answering over Knowledge Bases
Philipp Christmann | Rishiraj Saha Roy | Gerhard Weikum
WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022

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Conversational Question Answering on Heterogeneous Sources
Philipp Christmann | Rishiraj Saha Roy | Gerhard Weikum
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

2021

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Question Answering for the Curated Web: Tasks and Methods in QA over Knowledge Bases and Text Collections
Rishiraj Saha Roy | Avishek Anand
2021

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Counterfactual Explanations for Neural Recommenders
Khanh Hiep Tran | Azin Ghazimatin | Rishiraj Saha Roy
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

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Reinforcement Learning from Reformulations in Conversational Question Answering over Knowledge Graphs
Magdalena Kaiser | Rishiraj Saha Roy | Gerhard Weikum
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

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Complex Temporal Question Answering on Knowledge Graphs
Zhen Jia | Soumajit Pramanik | Rishiraj Saha Roy | Gerhard Weikum
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

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ELIXIR: Learning from User Feedback on Explanations to Improve Recommender Models
Azin Ghazimatin | Soumajit Pramanik | Rishiraj Saha Roy | Gerhard Weikum
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021

2020

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PRINCE: Provider-side Interpretability with Counterfactual Explanations in Recommender Systems
Azin Ghazimatin | Oana Balalau | Rishiraj Saha Roy | Gerhard Weikum
WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining, Houston, TX, USA, February 3-7, 2020

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Question Answering over Curated and Open Web Sources
Rishiraj Saha Roy | Avishek Anand
ICTIR '20: The 2020 ACM SIGIR International Conference on the Theory of Information Retrieval, Virtual Event, Norway, September 14-17, 2020

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Question Answering over Curated and Open Web Sources
Rishiraj Saha Roy | Avishek Anand
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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Conversational Question Answering over Passages by Leveraging Word Proximity Networks
Magdalena Kaiser | Rishiraj Saha Roy | Gerhard Weikum
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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Towards Query Logs for Privacy Studies: On Deriving Search Queries from Questions
Asia J. Biega | Jana Schmidt | Rishiraj Saha Roy
Advances in Information Retrieval - 42nd European Conference on IR Research, ECIR 2020, Lisbon, Portugal, April 14-17, 2020, Proceedings, Part II

2019

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FAIRY: A Framework for Understanding Relationships Between Users' Actions and their Social Feeds
Azin Ghazimatin | Rishiraj Saha Roy | Gerhard Weikum
Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining, WSDM 2019, Melbourne, VIC, Australia, February 11-15, 2019

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CROWN: Conversational Passage Ranking by Reasoning over Word Networks
Magdalena Kaiser | Rishiraj Saha Roy | Gerhard Weikum
Proceedings of the Twenty-Eighth Text REtrieval Conference, TREC 2019, Gaithersburg, Maryland, USA, November 13-15, 2019

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Answering Complex Questions by Joining Multi-Document Evidence with Quasi Knowledge Graphs
Xiaolu Lu | Soumajit Pramanik | Rishiraj Saha Roy | Abdalghani Abujabal | Yafang Wang | Gerhard Weikum
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019

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Look before you Hop: Conversational Question Answering over Knowledge Graphs Using Judicious Context Expansion
Philipp Christmann | Rishiraj Saha Roy | Abdalghani Abujabal | Jyotsna Singh | Gerhard Weikum
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019

2018

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TEQUILA: Temporal Question Answering over Knowledge Bases
Zhen Jia | Abdalghani Abujabal | Rishiraj Saha Roy | Jannik Strötgen | Gerhard Weikum
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018

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Never-Ending Learning for Open-Domain Question Answering over Knowledge Bases
Abdalghani Abujabal | Rishiraj Saha Roy | Mohamed Yahya | Gerhard Weikum
Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018

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TempQuestions: A Benchmark for Temporal Question Answering
Zhen Jia | Abdalghani Abujabal | Rishiraj Saha Roy | Jannik Strötgen | Gerhard Weikum
Companion of the The Web Conference 2018 on The Web Conference 2018, WWW 2018, Lyon , France, April 23-27, 2018

2017

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Privacy through Solidarity: A User-Utility-Preserving Framework to Counter Profiling
Joanna Asia Biega | Rishiraj Saha Roy | Gerhard Weikum
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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Privacy of Hidden Profiles: Utility-Preserving Profile Removal in Online Forums
Sedigheh Eslami | Asia J. Biega | Rishiraj Saha Roy | Gerhard Weikum
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017

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Leveraging Site Search Logs to Identify Missing Content on Enterprise Webpages
Harsh Jhamtani | Rishiraj Saha Roy | Niyati Chhaya | Eric Nyberg
Advances in Information Retrieval - 39th European Conference on IR Research, ECIR 2017, Aberdeen, UK, April 8-13, 2017, Proceedings

2016

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Syntactic complexity of Web search queries through the lenses of language models, networks and users
Rishiraj Saha Roy | Smith Agarwal | Niloy Ganguly | Monojit Choudhury
2016 Volume 52 Issue 5

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Improving Document Ranking for Long Queries with Nested Query Segmentation
Rishiraj Saha Roy | Anusha Suresh | Niloy Ganguly | Monojit Choudhury
Advances in Information Retrieval - 38th European Conference on IR Research, ECIR 2016, Padua, Italy, March 20-23, 2016. Proceedings

2015

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Probabilistic Deduplication of Anonymous Web Traffic
Rishiraj Saha Roy | Ritwik Sinha | Niyati Chhaya | Shiv Kumar Saini
Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume

2014

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Improving unsupervised query segmentation using parts-of-speech sequence information
Rishiraj Saha Roy | Yogarshi Vyas | Niloy Ganguly | Monojit Choudhury
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

2013

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Overview of the FIRE 2013 Track on Transliterated Search
Rishiraj Saha Roy | Monojit Choudhury | Prasenjit Majumder | Komal Agarwal
Proceedings of the 5th 2013 Forum on Information Retrieval Evaluation, FIRE '13, New Delhi, India, December 4-6, 2013

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Analyzing linguistic structure of web search queries
Rishiraj Saha Roy
22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013, Companion Volume

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Place value: word position shifts vital to search dynamics
Rishiraj Saha Roy | Anusha Suresh | Niloy Ganguly | Monojit Choudhury
22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013, Companion Volume

2012

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An IR-based evaluation framework for web search query segmentation
Rishiraj Saha Roy | Niloy Ganguly | Monojit Choudhury | Srivatsan Laxman
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

2011

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Unsupervised query segmentation using only query logs
Nikita Mishra | Rishiraj Saha Roy | Niloy Ganguly | Srivatsan Laxman | Monojit Choudhury
Proceedings of the 20th International Conference on World Wide Web, WWW 2011, Hyderabad, India, March 28 - April 1, 2011 (Companion Volume)

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