Rishiraj Saha Roy

According to our database, Rishiraj Saha Roy authored at least 49 papers between 2009 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Robust Training for Conversational Question Answering Models with Reinforced Reformulation Generation.

Magdalena Kaiser, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the 17th ACM International Conference on Web Search and Data Mining, 2024

2023

CompMix: A Benchmark for Heterogeneous Question Answering.

Philipp Christmann, Rishiraj Saha Roy, Gerhard Weikum

CoRR, 2023

Explainable Conversational Question Answering over Heterogeneous Sources via Iterative Graph Neural Networks.

Philipp Christmann, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2023

CLOCQ: A Toolkit for Fast and Easy Access to Knowledge Bases.

Philipp Christmann, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the Datenbanksysteme für Business, 2023

2022

Beyond NED: Fast and Effective Search Space Reduction for Complex Question Answering over Knowledge Bases.

Philipp Christmann, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21, 2022

Conversational Question Answering on Heterogeneous Sources.

Philipp Christmann, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11, 2022

Question Entity and Relation Linking to Knowledge Bases via CLOCQ (full paper).

Philipp Christmann, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the Joint Proceedings of SemREC 2022 and SMART 2022 co-located with 21st International Semantic Web Conference (ISWC 2022), 2022

2021

Question Answering for the Curated Web: Tasks and Methods in QA over Knowledge Bases and Text Collections

Rishiraj Saha Roy, Avishek Anand

Synthesis Lectures on Information Concepts, Retrieval, and Services, Morgan & Claypool Publishers, ISBN: 978-3-031-79512-1, 2021

UNIQORN: Unified Question Answering over RDF Knowledge Graphs and Natural Language Text.

Soumajit Pramanik, Jesujoba Alabi, Rishiraj Saha Roy, Gerhard Weikum

CoRR, 2021

Efficient Contextualization using Top-k Operators for Question Answering over Knowledge Graphs.

Philipp Christmann, Rishiraj Saha Roy, Gerhard Weikum

CoRR, 2021

ELIXIR: Learning from User Feedback on Explanations to Improve Recommender Models.

Azin Ghazimatin, Soumajit Pramanik, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the WWW '21: The Web Conference 2021, 2021

Counterfactual Explanations for Neural Recommenders.

Khanh Hiep Tran, Azin Ghazimatin, Rishiraj Saha Roy

Proceedings of the SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2021

Reinforcement Learning from Reformulations in Conversational Question Answering over Knowledge Graphs.

Magdalena Kaiser, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2021

Complex Temporal Question Answering on Knowledge Graphs.

Zhen Jia, Soumajit Pramanik, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1, 2021

2020

PRINCE: Provider-side Interpretability with Counterfactual Explanations in Recommender Systems.

Azin Ghazimatin, Oana Balalau, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining, 2020

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, 2020

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, 2020

Towards Query Logs for Privacy Studies: On Deriving Search Queries from Questions.

Asia J. Biega, Jana Schmidt, Rishiraj Saha Roy

Proceedings of the Advances in Information Retrieval, 2020

2019

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, 2019

CROWN: Conversational Passage Ranking by Reasoning over Word Networks.

Magdalena Kaiser, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the Twenty-Eighth Text REtrieval Conference, 2019

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, 2019

ComQA: A Community-sourced Dataset for Complex Factoid Question Answering with Paraphrase Clusters.

Abdalghani Abujabal, Rishiraj Saha Roy, Mohamed Yahya, Gerhard Weikum

Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, 2019

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, 2019

2018

TempQuestions: A Benchmark for Temporal Question Answering.

Zhen Jia, Abdalghani Abujabal, Rishiraj Saha Roy, Jannik Strötgen, Gerhard Weikum

Proceedings of the Companion of the The Web Conference 2018 on The Web Conference 2018, 2018

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, 2018

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, 2018

2017

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, 2017

Efficiency-aware Answering of Compositional Questions using Answer Type Prediction.

David Ziegler, Abdalghani Abujabal, Rishiraj Saha Roy, Gerhard Weikum

Proceedings of the Eighth International Joint Conference on Natural Language Processing, 2017

Automatic Assignment of Topical Icons to Documents for Faster File Navigation.

Rishiraj Saha Roy, Abhijeet Singh, Prashant Chawla, Shubham Saxena, Atanu R. Sinha

Proceedings of the 14th IAPR International Conference on Document Analysis and Recognition, 2017

QUINT: Interpretable Question Answering over Knowledge Bases.

Abdalghani Abujabal, Rishiraj Saha Roy, Mohamed Yahya, Gerhard Weikum

Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing, 2017

Leveraging Site Search Logs to Identify Missing Content on Enterprise Webpages.

Harsh Jhamtani, Rishiraj Saha Roy, Niyati Chhaya, Eric Nyberg

Proceedings of the Advances in Information Retrieval, 2017

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, 2017

2016

Syntactic complexity of Web search queries through the lenses of language models, networks and users.

Rishiraj Saha Roy, Smith Agarwal, Niloy Ganguly, Monojit Choudhury

Inf. Process. Manag., 2016

Improving Document Ranking for Long Queries with Nested Query Segmentation.

Rishiraj Saha Roy, Anusha Suresh, Niloy Ganguly, Monojit Choudhury

Proceedings of the Advances in Information Retrieval, 2016

2015

Discovering and understanding word level user intent in Web search queries.

Rishiraj Saha Roy, Rahul Katare, Niloy Ganguly, Srivatsan Laxman, Monojit Choudhury

J. Web Semant., 2015

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, 2015

Automated Linguistic Personalization of Targeted Marketing Messages Mining User-Generated Text on Social Media.

Rishiraj Saha Roy, Aishwarya Padmakumar, Guna Prasaad Jeganathan, Ponnurangam Kumaraguru

Proceedings of the Computational Linguistics and Intelligent Text Processing, 2015

2014

Improving unsupervised query segmentation using parts-of-speech sequence information.

Rishiraj Saha Roy, Yogarshi Vyas, Niloy Ganguly, Monojit Choudhury

Proceedings of the 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, 2014

Preference Mapping for Automated Recommendation of Product Attributes for Designing Marketing Content.

Moumita Sinha, Rishiraj Saha Roy

Proceedings of the 1st Workshop on New Trends in Content-based Recommender Systems co-located with the 8th ACM Conference on Recommender Systems, 2014

Automatic Discovery of Adposition Typology.

Rishiraj Saha Roy, Rahul Katare, Niloy Ganguly, Monojit Choudhury

Proceedings of the COLING 2014, 2014

2013

Place value: word position shifts vital to search dynamics.

Rishiraj Saha Roy, Anusha Suresh, Niloy Ganguly, Monojit Choudhury

Proceedings of the 22nd International World Wide Web Conference, 2013

Analyzing linguistic structure of web search queries.

Rishiraj Saha Roy

Proceedings of the 22nd International World Wide Web Conference, 2013

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, 2013

Crowd Prefers the Middle Path: A New IAA Metric for Crowdsourcing Reveals Turker Biases in Query Segmentation.

Rohan Ramanath, Monojit Choudhury, Kalika Bali, Rishiraj Saha Roy

Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics, 2013

2012

An IR-based evaluation framework for web search query segmentation.

Rishiraj Saha Roy, Niloy Ganguly, Monojit Choudhury, Srivatsan Laxman

Proceedings of the 35th International ACM SIGIR conference on research and development in Information Retrieval, 2012

2011

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, 2011

2010

Shape pattern matching: A tool to cluster unstructured text documents.

Durga Toshniwal, Rishiraj Saha Roy

J. Comput. Methods Sci. Eng., 2010

2009

Using Shape Patterns for Clustering Unstructured Text Documents.

Durga Toshniwal, Rishiraj Saha Roy

Proceedings of the 18th International Conference on Software Engineering and Data Engineering (SEDE-2009), 2009

A Hierarchical Clustering Scheme for Unstructured Text Data.

Durga Toshniwal, Rishiraj Saha Roy

Proceedings of the 2009 International Conference on Information & Knowledge Engineering, 2009