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Yongfeng Zhang 0005

dblp:82/7829-5 · DBLP profile ↗
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2ranked-venue papers
1as first author
2since 2021 · last 2024
0000-0002-1243-1145ORCID · verified

Domains — the database's venue-derived domains; a paper can count in several

Databases, data management, data science and information retrieval · 2 · 1 first-author · 2 since 2021Artificial intelligence and machine learning · 1 · 1 first-author · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Databases, data mining, and information retrieval
1 paper
Recommender systems · 100%
Network and information security
1 paper
Security and privacy of machine learning · 100%
Artificial intelligence
1 paper
Trustworthy machine learning · 100%

Topics — the 5 heaviest of 6, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Recommender systems › explainable recommendation
counterfactual explanation
0.712023
The Dark Side of Explanations: Poisoning Recommender Systems with Counterfactual Examples · SIGIR 2023
Recommender systems
explainable recommendation
0.712023
The Dark Side of Explanations: Poisoning Recommender Systems with Counterfactual Examples · SIGIR 2023
Security and privacy of machine learning
poisoning attack
0.712023
The Dark Side of Explanations: Poisoning Recommender Systems with Counterfactual Examples · SIGIR 2023
Security and privacy of machine learning › model security
recommender system security
0.712023
The Dark Side of Explanations: Poisoning Recommender Systems with Counterfactual Examples · SIGIR 2023
Machine learning › Trustworthy machine learning
interpretability
0.212023
The Dark Side of Explanations: Poisoning Recommender Systems with Counterfactual Examples · SIGIR 2023

Methods — techniques the papers use, named apart from their topics

counterfactual explanation · 2.0
YearPublicationVenuePosition
2024 AI Agent for Information Retrieval: Generating and Ranking
abstract
The field of information retrieval has significantly transformed with the integration of AI technologies. AI agents, especially those leveraging LLMs and vast computational power, have revolutionized information retrieval, processing, and presentation. LLM agents, with advanced memory, reasoning, and planning capabilities, can perform complex tasks, engage in coherent conversations, and provide personalized responses. Despite these advancements, challenges such as ensuring relevance and accuracy, mitigating biases, providing real-time responses, and maintaining data security remain. This workshop aims to explore these challenges, share innovative solutions, and discuss future directions. It will provide a platform to bring together researchers, practitioners to discuss the latest theoretical advancements and practical implementations of AI agents in information retrieval. Topics include AI in search, recommendation, and personalization systems. By gathering a diverse group of experts, the workshop seeks to deepen the understanding of AI agents in information retrieval, advance the field, and enhance its societal impact. Participants will gain insights into cutting-edge research, emerging trends, and foster knowledge exchange and collaboration within the community.
Yongfeng Zhang 0005, Zhiwei Liu 0001, Qingsong Wen, Linsey Pang, Wei Liu 0007, Philip S. Yu
CIKM1
2023 The Dark Side of Explanations: Poisoning Recommender Systems with Counterfactual Examples
abstract
Deep learning-based recommender systems have become an integral part of several online platforms. However, their black-box nature emphasizes the need for explainable artificial intelligence (XAI) approaches to provide human-understandable reasons why a specific item gets recommended to a given user. One such method is counterfactual explanation (CF). While CFs can be highly beneficial for users and system designers, malicious actors may also exploit these explanations to undermine the system's security.
Ziheng Chen 0002, Fabrizio Silvestri, Jia Wang 0009, Yongfeng Zhang 0005, Gabriele Tolomei
SIGIR4