Large Language Models (LLMs) represent a significant advancement in artificial
intelligence, finding applications across various domains. However, their reliance on …

Tiptoe is a private web search engine that allows clients to search over hundreds of millions
of documents, while revealing no information about their search query to the search engine's …

Accurately learning from user data while providing quantifiable privacy guarantees provides
an opportunity to build better ML models while maintaining user trust. This paper presents a …

Personalized information retrieval is an effective tool to solve the problem of information
overload. Along with the rapid development of emerging network technologies such as …

In this article, aiming at a Chinese keyword-based book search service, from a technological
perspective, we propose to modify a user query sequence carefully to confuse the user …

This paper reviews a large number of research achievements relevant to user privacy
protection in an untrusted network environment, and then analyzes and evaluates their …

Recommending venues or points-of-interest (POIs) is a hot topic in recent years, especially
for tourism applications and mobile users. We propose and evaluate several suggestion …

With the advancement in ICT, web search engines have become a preferred source to find
health‐related information published over the Internet. Google alone receives more than …

Protecting the privacy of a user querying an Information Retrieval (IR) system is of utmost
importance. The problem is exacerbated when the IR system is not cooperative in satisfying …

Modern web search engines exploit users' search history to personalize search results, with
a goal of improving their service utility on a per-user basis. But it is this very dimension that …