Pengjie Ren

2026

doi dblp

Custom training data: Aligning model distribution via Prefix-Guided Preference Data Synthesis.

Zhe Chen|Feng Qiao|Hailong Chen|Wenzhen Zhang|Pengjie Ren|Sen Lin|Jie Sun|Yujun Li

Information Processing and Management 2026 Volume 63 Issue 2

doi dblp

Direct Retrieval-augmented Optimization: Synergizing Knowledge Selection and Language Models.

Zhengliang Shi|Lingyong Yan|Weiwei Sun|Yue Feng|Pengjie Ren|Xinyu Ma|Shuaiqiang Wang|Dawei Yin|Maarten de Rijke|Zhaochun Ren

ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 4

doi dblp

Beyond efficient fine-tuning: Efficient hybrid fine-tuning of CLIP models guided by explainable ViT attention.

Hui Ye|Xuri Ge|Junqi Wang|Junchen Fu|Xin Xin|Jiao Xue|Yao Chen|Pengjie Ren|Zhumin Chen

Information Processing and Management 2026 Volume 63 Issue 5

doi dblp

Conversational generative retrieval with contextual denoising.

Wenhao Zhang|Yuhan Wang|Yi Bai|Mengqi Zhang|Zhaochun Ren|Zhumin Chen|Pengjie Ren

Information Processing and Management 2026 Volume 63 Issue 5

doi dblp

Model Editing for New Document Integration in Generative Information Retrieval.

Zhen Zhang|Zihan Wang|Xinyu Ma|Shuaiqiang Wang|Dawei Yin|Xin Xin|Pengjie Ren|Maarten de Rijke|Zhaochun Ren

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

doi dblp

Learning Robust Sequential Recommenders through Confident Soft Labels.

Shiguang Wu|Xin Xin|Pengjie Ren|Zhumin Chen|Jun Ma|Maarten de Rijke|Zhaochun Ren

ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 1

doi dblp

Privacy-Preserving Sequential Recommendation with Collaborative Confusion.

Wei Wang|Yujie Lin|Pengjie Ren|Zhumin Chen|Tsunenori Mine|Jianli Zhao|Qiang Zhao|Moyan Zhang|Xianye Ben|Yujun Li

ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 2

doi dblp

Graph-Enhanced Prompt Learning for Cross-Domain Contract Element Extraction.

Zihan Wang|Hanbing Wang|Pengjie Ren|Zhumin Chen|Maarten de Rijke|Zhaochun Ren

ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 3

doi dblp

Medical Question-Physician Robustness Routing for Community Healthcare Services.

Wenchao Sun|Zhengliang Shi|Pengjie Ren|Jun Ma|Zhaochun Ren|Zhumin Chen

Information Retrieval - 31st China Conference, CCIR 2025, Shihezi, China, August 15-17, 2025, Revised Selected Papers

doi dblp

Malevolence Attacks Against Pretrained Dialogue Models.

Pengjie Ren|Ruiqi Li|Zhaochun Ren|Zhumin Chen|Maarten de Rijke|Yangjun Zhang

Advances in Information Retrieval - 47th European Conference on Information Retrieval, ECIR 2025, Lucca, Italy, April 6-10, 2025, Proceedings, Part I

doi dblp

Constrained Auto-Regressive Decoding Constrains Generative Retrieval.

Shiguang Wu|Zhaochun Ren|Xin Xin|Jiyuan Yang|Mengqi Zhang|Zhumin Chen|Maarten de Rijke|Pengjie Ren

Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

doi dblp

Triplet Contrastive Learning with Learnable Sequence Augmentation for Sequential Recommendation.

Wei Wang|Yujie Lin|Moyan Zhang|Hongyu Lu|Jianli Zhao|Jie Sun|Xianye Ben|Pengjie Ren|Yujun Li

Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

doi dblp

Replication and Exploration of Generative Retrieval over Dynamic Corpora.

Zhen Zhang|Xinyu Ma|Weiwei Sun|Pengjie Ren|Zhumin Chen|Shuaiqiang Wang|Dawei Yin|Maarten de Rijke|Zhaochun Ren

Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

doi dblp

Improving Sequential Recommenders through Counterfactual Augmentation of System Exposure.

Ziqi Zhao|Zhaochun Ren|Jiyuan Yang|Zuming Yan|Zihan Wang|Liu Yang|Pengjie Ren|Zhumin Chen|Maarten de Rijke|Xin Xin

Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

2024

doi dblp

Metaphorical User Simulators for Evaluating Task-oriented Dialogue Systems.

Weiwei Sun|Shuyu Guo|Shuo Zhang|Pengjie Ren|Zhumin Chen|Maarten de Rijke|Zhaochun Ren

ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 1

doi dblp

Center-retained fine-tuning for conversational question ranking through unsupervised center identification.

Zhongkun Liu|Zhumin Chen|Zhaochun Ren|Shen Gao|Jun Ma|Pengjie Ren

Information Processing and Management 2024 Volume 61 Issue 2

doi dblp

Diversifying Sequential Recommendation with Retrospective and Prospective Transformers.

Chaoyu Shi|Pengjie Ren|Dongjie Fu|Xin Xin|Shansong Yang|Fei Cai|Zhaochun Ren|Zhumin Chen

ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 5

doi dblp

Mixture-of-Languages Routing for Multilingual Dialogues.

Jiahuan Pei|Guojun Yan|Maarten de Rijke|Pengjie Ren

ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 6

doi dblp

Generative Retrieval as Multi-Vector Dense Retrieval.

Shiguang Wu|Wenda Wei|Mengqi Zhang|Zhumin Chen|Jun Ma|Zhaochun Ren|Maarten de Rijke|Pengjie Ren

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

On the Effectiveness of Unlearning in Session-Based Recommendation.

Xin Xin|Liu Yang|Ziqi Zhao|Pengjie Ren|Zhumin Chen|Jun Ma|Zhaochun Ren

Proceedings of the 17th ACM International Conference on Web Search and Data Mining, WSDM 2024, Merida, Mexico, March 4-8, 2024

doi dblp

Debiasing Sequential Recommenders through Distributionally Robust Optimization over System Exposure.

Jiyuan Yang|Yue Ding|Yidan Wang|Pengjie Ren|Zhumin Chen|Fei Cai|Jun Ma|Rui Zhang|Zhaochun Ren|Xin Xin

Proceedings of the 17th ACM International Conference on Web Search and Data Mining, WSDM 2024, Merida, Mexico, March 4-8, 2024

doi dblp

Generative News Recommendation.

Shen Gao|Jiabao Fang|Quan Tu|Zhitao Yao|Zhumin Chen|Pengjie Ren|Zhaochun Ren

Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

2023

doi dblp

On the User Behavior Leakage from Recommender System Exposure.

Xin Xin|Jiyuan Yang|Hanbing Wang|Jun Ma|Pengjie Ren|Hengliang Luo|Xinlei Shi|Zhumin Chen|Zhaochun Ren

ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 3

doi dblp

Improving Transformer-based Sequential Recommenders through Preference Editing.

Muyang Ma|Pengjie Ren|Zhumin Chen|Zhaochun Ren|Huasheng Liang|Jun Ma|Maarten de Rijke

ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 3

doi dblp

Iteratively Learning Representations for Unseen Entities with Inter-Rule Correlations.

Zihan Wang|Kai Zhao|Yongquan He|Zhumin Chen|Pengjie Ren|Maarten de Rijke|Zhaochun Ren

Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023

doi dblp

Improving Implicit Feedback-Based Recommendation through Multi-Behavior Alignment.

Xin Xin|Xiangyuan Liu|Hanbing Wang|Pengjie Ren|Zhumin Chen|Jiahuan Lei|Xinlei Shi|Hengliang Luo|Joemon M. Jose|Maarten de Rijke|Zhaochun Ren

Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023

doi dblp

Towards Explainable Conversational Recommender Systems.

Shuyu Guo|Shuo Zhang|Weiwei Sun|Pengjie Ren|Zhumin Chen|Zhaochun Ren

Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023

doi dblp

Contrastive State Augmentations for Reinforcement Learning-Based Recommender Systems.

Zhaochun Ren|Na Huang|Yidan Wang|Pengjie Ren|Jun Ma|Jiahuan Lei|Xinlei Shi|Hengliang Luo|Joemon M. Jose|Xin Xin

Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023

doi dblp

Variational Reasoning over Incomplete Knowledge Graphs for Conversational Recommendation.

Xiaoyu Zhang|Xin Xin|Dongdong Li|Wenxuan Liu|Pengjie Ren|Zhumin Chen|Jun Ma|Zhaochun Ren

Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, WSDM 2023, Singapore, 27 February 2023 - 3 March 2023.

doi dblp

A Self-Correcting Sequential Recommender.

Yujie Lin|Chenyang Wang|Zhumin Chen|Zhaochun Ren|Xin Xin|Qiang Yan|Maarten de Rijke|Xiuzhen Cheng|Pengjie Ren

Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

doi dblp

Multi-interest Diversification for End-to-end Sequential Recommendation.

Wanyu Chen|Pengjie Ren|Fei Cai|Fei Sun|Maarten de Rijke

ACM Transactions on Information Systems (TOIS) 2022 Volume 40 Issue 1

doi dblp

Improving legal judgment prediction through reinforced criminal element extraction.

Yougang Lyu|Zihan Wang|Zhaochun Ren|Pengjie Ren|Zhumin Chen|Xiaozhong Liu|Yujun Li|Hongsong Li|Hongye Song

Information Processing and Management 2022 Volume 59 Issue 1

doi dblp

Variational Reasoning about User Preferences for Conversational Recommendation.

Zhaochun Ren|Zhi Tian|Dongdong Li|Pengjie Ren|Liu Yang|Xin Xin|Huasheng Liang|Maarten de Rijke|Zhumin Chen

SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

doi dblp

Rethinking Reinforcement Learning for Recommendation: A Prompt Perspective.

Xin Xin|Tiago Pimentel|Alexandros Karatzoglou|Pengjie Ren|Konstantina Christakopoulou|Zhaochun Ren

SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

doi dblp

ReMeDi: Resources for Multi-domain, Multi-service, Medical Dialogues.

Guojun Yan|Jiahuan Pei|Pengjie Ren|Zhaochun Ren|Xin Xin|Huasheng Liang|Maarten de Rijke|Zhumin Chen

SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

doi dblp

Personalized Abstractive Opinion Tagging.

Mengxue Zhao|Yang Yang|Miao Li|Jingang Wang|Wei Wu|Pengjie Ren|Maarten de Rijke|Zhaochun Ren

SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

doi dblp

Improving Conversational Recommender Systems via Transformer-based Sequential Modelling.

Jie Zou|Evangelos Kanoulas|Pengjie Ren|Zhaochun Ren|Aixin Sun|Cheng Long

SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

2021

doi dblp

A taxonomy, data set, and benchmark for detecting and classifying malevolent dialogue responses.

Yangjun Zhang|Pengjie Ren|Maarten de Rijke

Journal of the Association for Information Science and Technology (JASIST) 2021 Volume 72 Issue 12

doi dblp

Conversations with Search Engines: SERP-based Conversational Response Generation.

Pengjie Ren|Zhumin Chen|Zhaochun Ren|Evangelos Kanoulas|Christof Monz|Maarten de Rijke

ACM Transactions on Information Systems (TOIS) 2021 Volume 39 Issue 4

doi dblp

Semi-Supervised Variational Reasoning for Medical Dialogue Generation.

Dongdong Li|Zhaochun Ren|Pengjie Ren|Zhumin Chen|Miao Fan|Jun Ma|Maarten de Rijke

SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

doi dblp

Initiative-Aware Self-Supervised Learning for Knowledge-Grounded Conversations.

Chuan Meng|Pengjie Ren|Zhumin Chen|Zhaochun Ren|Tengxiao Xi|Maarten de Rijke

SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

doi dblp

Wizard of Search Engine: Access to Information Through Conversations with Search Engines.

Pengjie Ren|Zhongkun Liu|Xiaomeng Song|Hongtao Tian|Zhumin Chen|Zhaochun Ren|Maarten de Rijke

SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

doi dblp

Simulating User Satisfaction for the Evaluation of Task-oriented Dialogue Systems.

Weiwei Sun|Shuo Zhang|Krisztian Balog|Zhaochun Ren|Pengjie Ren|Zhumin Chen|Maarten de Rijke

SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

doi dblp

Conversations Powered by Cross-Lingual Knowledge.

Weiwei Sun|Chuan Meng|Qi Meng|Zhaochun Ren|Pengjie Ren|Zhumin Chen|Maarten de Rijke

SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

doi dblp

Cross-Domain Contract Element Extraction with a Bi-directional Feedback Clause-Element Relation Network.

Zihan Wang|Hongye Song|Zhaochun Ren|Pengjie Ren|Zhumin Chen|Xiaozhong Liu|Hongsong Li|Maarten de Rijke

SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

doi dblp

Long Short-Term Session Search: Joint Personalized Reranking and Next Query Prediction.

Qiannan Cheng|Zhaochun Ren|Yujie Lin|Pengjie Ren|Zhumin Chen|Xiangyuan Liu|Maarten de Rijke

WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

doi dblp

A Cooperative Memory Network for Personalized Task-oriented Dialogue Systems with Incomplete User Profiles.

Jiahuan Pei|Pengjie Ren|Maarten de Rijke

WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

2020

doi dblp

Report on the international workshop on natural language processing for recommendations (NLP4REC 2020) workshop held at WSDM 2020.

Xiao Huang|Pengjie Ren|Zhaochun Ren|Fei Sun|Xiangnan He|Dawei Yin|Maarten de Rijke

SIGIR Forum 2020 Volume 54 Issue 1

doi dblp

Improving End-to-End Sequential Recommendations with Intent-aware Diversification.

Wanyu Chen|Pengjie Ren|Fei Cai|Fei Sun|Maarten de Rijke

CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020

doi dblp

AIIS: The SIGIR 2020 Workshop on Applied Interactive Information Systems.

Hongshen Chen|Zhaochun Ren|Pengjie Ren|Dawei Yin|Xiaodong He

Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

doi dblp

Meta Matrix Factorization for Federated Rating Predictions.

Yujie Lin|Pengjie Ren|Zhumin Chen|Zhaochun Ren|Dongxiao Yu|Jun Ma|Maarten de Rijke|Xiuzhen Cheng

Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

doi dblp

DukeNet: A Dual Knowledge Interaction Network for Knowledge-Grounded Conversation.

Chuan Meng|Pengjie Ren|Zhumin Chen|Weiwei Sun|Zhaochun Ren|Zhaopeng Tu|Maarten de Rijke

Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

doi dblp

Query Resolution for Conversational Search with Limited Supervision.

Nikos Voskarides|Dan Li|Pengjie Ren|Evangelos Kanoulas|Maarten de Rijke

Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

doi dblp

Coding Electronic Health Records with Adversarial Reinforcement Path Generation.

Shanshan Wang|Pengjie Ren|Zhumin Chen|Zhaochun Ren|Jian-Yun Nie|Jun Ma|Maarten de Rijke

Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

doi dblp

NLP4REC: The WSDM 2020 Workshop on Natural Language Processing for Recommendations.

Pengjie Ren|Zhaochun Ren|Fei Sun|Xiangnan He|Dawei Yin|Maarten de Rijke

WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining, Houston, TX, USA, February 3-7, 2020

2019

doi dblp

Order-free Medicine Combination Prediction with Graph Convolutional Reinforcement Learning.

Shanshan Wang|Pengjie Ren|Zhumin Chen|Zhaochun Ren|Jun Ma|Maarten de Rijke

Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019.

doi dblp

Bayesian Personalized Feature Interaction Selection for Factorization Machines.

Yifan Chen|Pengjie Ren|Yang Wang|Maarten de Rijke

Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019.

doi dblp

π-Net: A Parallel Information-sharing Network for Shared-account Cross-domain Sequential Recommendations.

Muyang Ma|Pengjie Ren|Yujie Lin|Zhumin Chen|Jun Ma|Maarten de Rijke

Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019.

doi dblp

A Collaborative Session-based Recommendation Approach with Parallel Memory Modules.

Meirui Wang|Pengjie Ren|Lei Mei|Zhumin Chen|Jun Ma|Maarten de Rijke

Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019.

dblp

ILPS at TREC 2019 Conversational Assistant Track.

Nikos Voskarides|Dan Li|Andreas Panteli|Pengjie Ren

Proceedings of the Twenty-Eighth Text REtrieval Conference, TREC 2019, Gaithersburg, Maryland, USA, November 13-15, 2019.

doi dblp

Improving Neural Response Diversity with Frequency-Aware Cross-Entropy Loss.

Shaojie Jiang|Pengjie Ren|Christof Monz|Maarten de Rijke

The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

doi dblp

Improving Outfit Recommendation with Co-supervision of Fashion Generation.

Yujie Lin|Pengjie Ren|Zhumin Chen|Zhaochun Ren|Jun Ma|Maarten de Rijke

The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

2018

doi dblp

Sentence Relations for Extractive Summarization with Deep Neural Networks.

Pengjie Ren|Zhumin Chen|Zhaochun Ren|Furu Wei|Liqiang Nie|Jun Ma|Maarten de Rijke

ACM Transactions on Information Systems (TOIS) 2018 Volume 36 Issue 4

doi dblp

An Attentive Interaction Network for Context-aware Recommendations.

Lei Mei|Pengjie Ren|Zhumin Chen|Liqiang Nie|Jun Ma|Jian-Yun Nie

Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018

2017

doi dblp

Detecting temporal patterns of user queries.

Pengjie Ren|Zhumin Chen|Jun Ma|Zhiwei Zhang|Luo Si|Shuaiqiang Wang

Journal of the Association for Information Science and Technology (JASIST) 2017 Volume 68 Issue 1

doi dblp

Neural Attentive Session-based Recommendation.

Jing Li|Pengjie Ren|Zhumin Chen|Zhaochun Ren|Tao Lian|Jun Ma

Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017

doi dblp

Leveraging Contextual Sentence Relations for Extractive Summarization Using a Neural Attention Model.

Pengjie Ren|Zhumin Chen|Zhaochun Ren|Furu Wei|Jun Ma|Maarten de Rijke

Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

2016

doi dblp

Supervised Local Contexts Aggregation for Effective Session Search.

Zhiwei Zhang|Jingang Wang|Tao Wu|Pengjie Ren|Zhumin Chen|Luo Si

Advances in Information Retrieval - 38th European Conference on IR Research, ECIR 2016, Padua, Italy, March 20-23, 2016. Proceedings

2015

doi dblp

Mining and ranking users' intents behind queries.

Pengjie Ren|Zhumin Chen|Jun Ma|Shuaiqiang Wang|Zhiwei Zhang|Zhaochun Ren

Discover Computing 2015 Volume 18 Issue 6