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In search engines, query expansion (QE) is a crucial technique to improve search experience. Previous studies often rely on long-term search log mining, which leads to slow updates and is sub-optimal for time-sensitive news searches. In…

Information Retrieval · Computer Science 2023-05-31 Yanan Zhang , Weijie Cui , Yangfan Zhang , Xiaoling Bai , Zhe Zhang , Jin Ma , Xiang Chen , Tianhua Zhou

Information-seeking conversation system aims at satisfying the information needs of users through conversations. Text matching between a user query and a pre-collected question is an important part of the information-seeking conversation in…

Computation and Language · Computer Science 2019-11-11 Zhenxin Fu , Feng Ji , Wenpeng Hu , Wei Zhou , Dongyan Zhao , Haiqing Chen , Rui Yan

Production recommendation systems rely on embedding methods to represent various features. An impeding challenge in practice is that the large embedding matrix incurs substantial memory footprint in serving as the number of features grows…

Information Retrieval · Computer Science 2019-03-04 Xiaorui Wu , Hong Xu , Honglin Zhang , Huaming Chen , Jian Wang

This paper presents a novel approach for using clickthrough data to learn ranked retrieval functions for web search results. We observe that users searching the web often perform a sequence, or chain, of queries with a similar information…

Machine Learning · Computer Science 2007-05-23 Filip Radlinski , Thorsten Joachims

The rapid growth of Internet services and mobile devices provides an excellent opportunity to satisfy the strong demand for the personalized item or product recommendation. However, with the tremendous increase of users and items,…

Information Retrieval · Computer Science 2018-12-10 Chen Ma , Peng Kang , Bin Wu , Qinglong Wang , Xue Liu

The proliferation of video content on platforms like YouTube and Vimeo presents significant challenges in efficiently locating relevant information. Automatic video summarization aims to address this by extracting and presenting key content…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Jia-Hong Huang

Originally implemented by Google, QUIC gathers a growing interest by providing, on top of UDP, the same service as the classical TCP/TLS/HTTP/2 stack. The IETF will finalise the QUIC specification in 2019. A key feature of QUIC is that…

Networking and Internet Architecture · Computer Science 2019-04-26 François Michel , Quentin De Coninck , Olivier Bonaventure

We describe a modern deep learning system that automatically identifies informative contextual examples (\qu{contexts}) for first language vocabulary instruction for high school student. Our paper compares three modeling approaches: (i) an…

Computation and Language · Computer Science 2026-02-23 Tao Wu , Adam Kapelner

Nowadays e-commerce search has become an integral part of many people's shopping routines. One critical challenge in today's e-commerce search is the semantic matching problem where the relevant items may not contain the exact terms in the…

Information Retrieval · Computer Science 2021-05-31 Yiming Qiu , Kang Zhang , Han Zhang , Songlin Wang , Sulong Xu , Yun Xiao , Bo Long , Wen-Yun Yang

Large language models (LLMs) excel at generating contextually relevant content. However, tailoring these outputs to individual users for effective personalization is a significant challenge. While rich user-specific information often exists…

Keyphrase extraction from a given document is the task of automatically extracting salient phrases that best describe the document. This paper proposes a novel unsupervised graph-based ranking method to extract high-quality phrases from a…

Information Retrieval · Computer Science 2022-01-27 Venktesh V , Mukesh Mohania , Vikram Goyal

Providing model-generated explanations in recommender systems is important to user experience. State-of-the-art recommendation algorithms - especially collaborative filtering (CF)-based approaches with shallow or deep models - usually work…

Information Retrieval · Computer Science 2019-01-23 Qingyao Ai , Vahid Azizi , Xu Chen , Yongfeng Zhang

Machine reading comprehension is a task to model relationship between passage and query. In terms of deep learning framework, most of state-of-the-art models simply concatenate word and character level representations, which has been shown…

Computation and Language · Computer Science 2021-01-08 Zhuosheng Zhang , Yafang Huang , Pengfei Zhu , Hai Zhao

Large Language Models (LLMs) excel at tackling various natural language tasks. However, due to the significant costs involved in re-training or fine-tuning them, they remain largely static and difficult to personalize. Nevertheless, a…

Information Retrieval · Computer Science 2024-02-20 Jinheon Baek , Nirupama Chandrasekaran , Silviu Cucerzan , Allen herring , Sujay Kumar Jauhar

Enterprises grapple with the significant challenge of managing proprietary unstructured data, hindering efficient information retrieval. This has led to the emergence of AI-driven information retrieval solutions, designed to adeptly extract…

Manifold ranking has been successfully applied in query-oriented multi-document summarization. It not only makes use of the relationships among the sentences, but also the relationships between the given query and the sentences. However,…

Information Retrieval · Computer Science 2021-08-30 Quanye Jia , Rui Liu , Jianying Lin

Large, heterogeneous datasets are characterized by missing or even erroneous information. This is more evident when they are the product of community effort or automatic fact extraction methods from external sources, such as text. A special…

Databases · Computer Science 2021-02-24 Ruud van Bakel , Teodor Aleksiev , Daniel Daza , Dimitrios Alivanistos , Michael Cochez

StackOverflow has become an emerging resource for talent recognition in recent years. While users exploit technical language on StackOverflow, recruiters try to find the relevant candidates for jobs using their own terminology. This…

Information Retrieval · Computer Science 2019-07-17 Arash Dargahi Nobari , Mahmood Neshati , Sajad Sotudeh Gharebagh

Large language models (LLMs) excel at capturing semantic nuances and therefore show impressive relevance ranking performance in modern recommendation and search systems. However, they suffer from high computational overhead under industrial…

We address the problem of tuning word embeddings for specific use cases and domains. We propose a new method that automatically combines multiple domain-specific embeddings, selected from a wide range of pre-trained domain-specific…

Computation and Language · Computer Science 2019-09-06 Laura Rettig , Julien Audiffren , Philippe Cudré-Mauroux