Hwanjo Yu

2026

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On the Effectiveness of Integration Methods for Multimodal Dialogue Response Retrieval.
Seongbo Jang|Seonghyeon Lee|Dongha Lee|Hwanjo Yu
Proceedings of the 2026 International Conference on Multimedia Retrieval, ICMR 2026, Amsterdam, The Netherlands, June 16-19, 2026
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Capturing User Interests from Data Streams for Continual Sequential Recommendation.
Gyuseok Lee|Hyunsik Yoo|Junyoung Hwang|SeongKu Kang|Hwanjo Yu
Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026
doi dblp
Dynamic Multi-period Experts for Online Time Series Forecasting.
Seungha Hong|Sukang Chae|Suyeon Kim|Sanghwan Jang|Hwanjo Yu
Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.
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PairSem: LLM-Guided Pairwise Semantic Matching for Scientific Document Retrieval.
Wonbin Kweon|Runchu Tian|Seongku Kang|Pengcheng Jiang|Zhiyong Lu|Jiawei Han|Hwanjo Yu
Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

2025

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Federated Continual Recommendation.
Jaehyung Lim|Wonbin Kweon|Woojoo Kim|Junyoung Kim|Seongjin Choi|Dongha Kim|Hwanjo Yu
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
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Improving Scientific Document Retrieval with Concept Coverage-based Query Set Generation.
SeongKu Kang|Bowen Jin|Wonbin Kweon|Yu Zhang|Dongha Lee|Jiawei Han|Hwanjo Yu
Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, WSDM 2025, Hannover, Germany, March 10-14, 2025
doi dblp
Uncertainty Quantification and Decomposition for LLM-based Recommendation.
Wonbin Kweon|Sanghwan Jang|SeongKu Kang|Hwanjo Yu
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025
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Collaborative Diffusion Model for Recommender System.
Gyuseok Lee|Yaochen Zhu|Hwanjo Yu|Yao Zhou|Jundong Li
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

2024

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Multi-Domain Sequential Recommendation via Domain Space Learning.
Junyoung Hwang|Hyunjun Ju|SeongKu Kang|Sanghwan Jang|Hwanjo Yu
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
doi dblp
Improving Retrieval in Theme-specific Applications using a Corpus Topical Taxonomy.
SeongKu Kang|Shivam Agarwal|Bowen Jin|Dongha Lee|Hwanjo Yu|Jiawei Han
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024
doi dblp
Top-Personalized-K Recommendation.
Wonbin Kweon|SeongKu Kang|Sanghwan Jang|Hwanjo Yu
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024
doi dblp
Doubly Calibrated Estimator for Recommendation on Data Missing Not at Random.
Wonbin Kweon|Hwanjo Yu
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

2023

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Distillation from Heterogeneous Models for Top-K Recommendation.
SeongKu Kang|Wonbin Kweon|Dongha Lee|Jianxun Lian|Xing Xie|Hwanjo Yu
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

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Beyond Learning from Next Item: Sequential Recommendation via Personalized Interest Sustainability.
Dongmin Hyun|Chanyoung Park|Junsu Cho|Hwanjo Yu
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
Consensus Learning from Heterogeneous Objectives for One-Class Collaborative Filtering.
Seongku Kang|Dongha Lee|Wonbin Kweon|Junyoung Hwang|Hwanjo Yu
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022
doi dblp
TaxoCom: Topic Taxonomy Completion with Hierarchical Discovery of Novel Topic Clusters.
Dongha Lee|Jiaming Shen|Seongku Kang|Susik Yoon|Jiawei Han|Hwanjo Yu
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

2021

doi dblp
Unsupervised Proxy Selection for Session-based Recommender Systems.
Junsu Cho|SeongKu Kang|Dongmin Hyun|Hwanjo Yu
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
doi dblp
Bootstrapping User and Item Representations for One-Class Collaborative Filtering.
Dongha Lee|SeongKu Kang|Hyunjun Ju|Chanyoung Park|Hwanjo Yu
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
doi dblp
Learning Heterogeneous Temporal Patterns of User Preference for Timely Recommendation.
Junsu Cho|Dongmin Hyun|SeongKu Kang|Hwanjo Yu
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.
doi dblp
Bidirectional Distillation for Top-K Recommender System.
Wonbin Kweon|SeongKu Kang|Hwanjo Yu
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

2020

doi dblp
DE-RRD: A Knowledge Distillation Framework for Recommender System.
SeongKu Kang|Junyoung Hwang|Wonbin Kweon|Hwanjo Yu
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020
doi dblp
Deep Rating Elicitation for New Users in Collaborative Filtering.
Wonbin Kweon|SeongKu Kang|Junyoung Hwang|Hwanjo Yu
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

2019

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Semi-Supervised Learning for Cross-Domain Recommendation to Cold-Start Users.
SeongKu Kang|Junyoung Hwang|Dongha Lee|Hwanjo Yu
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019.
doi dblp
BHIN2vec: Balancing the Type of Relation in Heterogeneous Information Network.
Seonghyeon Lee|Chanyoung Park|Hwanjo Yu
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019.
doi dblp
Task-Guided Pair Embedding in Heterogeneous Network.
Chanyoung Park|Donghyun Kim|Qi Zhu|Jiawei Han|Hwanjo Yu
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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Disk-based Matrix Completion for Memory Limited Devices.
Dongha Lee|Jinoh Oh|Christos Faloutsos|Byungju Kim|Hwanjo Yu
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018
doi dblp
Review Sentiment-Guided Scalable Deep Recommender System.
Dongmin Hyun|Chanyoung Park|Min-Chul Yang|Ilhyeon Song|Jung-Tae Lee|Hwanjo Yu
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018

2017

doi dblp
DiagTree: Diagnostic Tree for Differential Diagnosis.
Yejin Kim|Jingyun Choi|Yosep Chong|Xiaoqian Jiang|Hwanjo Yu
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017
doi dblp
S-HOT: Scalable High-Order Tucker Decomposition.
Jinoh Oh|Kijung Shin|Evangelos E. Papalexakis|Christos Faloutsos|Hwanjo Yu
Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, WSDM 2017, Cambridge, United Kingdom, February 6-10, 2017
doi dblp
Do "Also-Viewed" Products Help User Rating Prediction?
Chanyoung Park|Donghyun Kim|Jinoh Oh|Hwanjo Yu
Proceedings of the 26th International Conference on World Wide Web, WWW 2017, Perth, Australia, April 3-7, 2017

2016

dblp
ISOFT-Team at NTCIR-12 QALab-2: Using Choice Verification.
Soonchoul Kwon|Seonyeong Park|Daehwan Nam|Kyusong Lee|Hwanjo Yu|Gary Geunbae Lee
Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, National Center of Sciences, Tokyo, Japan, June 7-10, 2016
doi dblp
TRecSo: Enhancing Top-k Recommendation With Social Information.
Chanyoung Park|Donghyun Kim|Jinoh Oh|Hwanjo Yu
Proceedings of the 25th International Conference on World Wide Web, WWW 2016, Montreal, Canada, April 11-15, 2016, Companion Volume

2015

doi dblp
Discovery of Prostate Specific Antigen Pattern to Predict Castration Resistant Prostate Cancer of Androgen Deprivation Therapy.
Yejin Kim|Yong Hyun Park|Zhitao Wang|Zhitao Wang|Yong Hyun Park|Ke Zhang|Ji Youl Lee|Yu Lei|In Young Choi|Donghyun Kim|Wenjie Li|Hwanjo Yu
Proceedings of the ACM Ninth International Workshop on Data and Text Mining in Biomedical Informatics, DTMBIO 2015, Melbourne, Australia, October 23, 2015

2014

doi dblp
Identifying Cancer Subtypes based on Somatic Mutation Profile.
Sungchul Kim|Lee Sael|Hwanjo Yu
Proceedings of the ACM 8th International Workshop on Data and Text Mining in Bioinformatics, DTMBIO@CIKM 2014, Shanghai, China, November 7, 2014

2013

doi dblp
Efficient local ligand-binding site search using landmark mds.
Sungchul Kim|Lee Sael|Hwanjo Yu
Proceeding of the 7rd International Workshop on Data and Text Mining in Bioinformatics, DTMBIO 2013, San Francisco, CA, USA, November 1, 2013
doi dblp
BoDBES: a boosted dictionary-based biomedical entity spotter.
Min Song|Wook-Shin Han|Hwanjo Yu|Weixing Tan|Hwanjo Yu|Weixing Tan
Proceeding of the 7rd International Workshop on Data and Text Mining in Bioinformatics, DTMBIO 2013, San Francisco, CA, USA, November 1, 2013

2012

doi dblp
iSampling: framework for developing sampling methods considering user's interest.
Jinoh Oh|Hwanjo Yu
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012
doi dblp
Indexing methods for efficient protein 3D surface search.
Leman Akoglu|Hwanjo Yu|Lee Sael|Dohyeon Lee|Sungchul Kim|Oana Balalau|Lee Sael|Dohyeon Lee|Hwanjo Yu|Leman Akoglu
Proceedings of the ACM sixth international workshop on Data and text mining in biomedical informatics, DTMBIO@CIKM 2012, Maui, Hawaii, USA, October 29, 2012

2011

doi dblp
Advertiser-centric approach to understand user click behavior in sponsored search.
Sungchul Kim|Tao Qin|Hwanjo Yu|Tie-Yan Liu
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011

2010

doi dblp
RankSVR: can preference data help regression?
Hwanjo Yu|Sungchul Kim|Seung-Hoon Na
Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010

2009

doi dblp
VRIFA: a nonlinear SVM visualization tool using nomogram and localized radial basis function (LRBF) kernels.
Ngo Anh Vien|Nguyen Hoang Viet|TaeChoong Chung|Hwanjo Yu|Sungchul Kim|Baek Hwan Cho
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009
doi dblp
RefMed: relevance feedback retrieval system fo PubMed.
Hwanjo Yu|Taehoon Kim|Jinoh Oh|Ilhwan Ko|Sungchul Kim
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009
doi dblp
Efficient feature weighting methods for ranking.
Hwanjo Yu|Brian Quanz|Jinoh Oh|Jun Huan|Jinoh Oh|Jun Huan|Wook-Shin Han
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009
doi dblp
Enabling multi-level relevance feedback on pubmed by integrating rank learning into DBMS.
Hwanjo Yu|Jinoh Oh|Masahiro Nomura|Taehoon Kim|Ilhwan Ko|Yuta Saito|Jinoh Oh|Masahiro Nomura|Ilhwan Ko|Yuta Saito|Sungchul Kim|Wook-Shin Han
Proceeding of the 3rd International Workshop on Data and Text Mining in Bioinformatics, DTMBIO 2009, Hong Kong, China, November 6, 2009

2003

doi dblp
Text classification from positive and unlabeled documents.
Hwanjo Yu|ChengXiang Zhai|Jiawei Han
Proceedings of the 2003 ACM CIKM International Conference on Information and Knowledge Management, New Orleans, Louisiana, USA, November 2-8, 2003