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Column matching is a central task in reconciling schemas for data integration. Column names and descriptions are valuable for this task. LLMs can leverage such natural-language schema metadata. However, in many datasets, correct matching…

Databases · Computer Science 2026-05-05 Houming Chen , Zhe Zhang , H. V. Jagadish

E-commerce search engines often rely solely on product titles as input for ranking models with latency constraints. However, this approach can result in suboptimal relevance predictions, as product titles often lack sufficient detail to…

Information Retrieval · Computer Science 2025-08-13 Nitin Yadav , Changsung Kang , Hongwei Shang , Ming Sun

Large Language Models (LLMs) have shown remarkable prowess in text generation, yet producing long-form, factual documents grounded in extensive external knowledge bases remains a significant challenge. Existing "top-down" methods, which…

Computation and Language · Computer Science 2025-09-17 Binquan Ji , Jiaqi Wang , Ruiting Li , Xingchen Han , Yiyang Qi , Shichao Wang , Yifei Lu , Yuantao Han , Feiliang Ren

With the growing success of Large Language models (LLMs) in information-seeking scenarios, search engines are now adopting generative approaches to provide answers along with in-line citations as attribution. While existing work focuses…

Information Retrieval · Computer Science 2024-09-13 Hanane Djeddal , Pierre Erbacher , Raouf Toukal , Laure Soulier , Karen Pinel-Sauvagnat , Sophia Katrenko , Lynda Tamine

Cross-Domain Sequential Recommendation (CDSR) aims to mine and transfer users' sequential preferences across different domains to alleviate the long-standing cold-start issue. Traditional CDSR models capture collaborative information…

Machine Learning · Computer Science 2024-06-06 Tingjia Shen , Hao Wang , Jiaqing Zhang , Sirui Zhao , Liangyue Li , Zulong Chen , Defu Lian , Enhong Chen

Repository summarization is a crucial research question in development and maintenance for software engineering. Existing repository summarization techniques primarily focus on summarizing code according to the directory tree, which is…

Software Engineering · Computer Science 2025-10-14 Yifeng Zhu , Xianlin Zhao , Xutian Li , Yanzhen Zou , Haizhuo Yuan , Yue Wang , Bing Xie

Despite their high predictive accuracies, current machine learning systems often exhibit systematic biases stemming from annotation artifacts or insufficient support for certain classes in the dataset. Recent work proposes automatic methods…

Computation and Language · Computer Science 2024-10-30 Rakesh R. Menon , Shashank Srivastava

Multimodal documents contain diverse elements, such as tables, figures, and layouts, which can complicate retrieval tasks. While current approaches typically combine dense visual embedding models with supervised rerankers to achieve…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Ruofan Hu , Menghui Zhu , Jieming Zhu , Bo Chen , Shengyang Xu , Minjie Hong , Xiaoda Yang , Sashuai Zhou , Li Tang , Tao Jin , Zhou Zhao

Model-free data-driven computational mechanics (DDCM) is a new paradigm for simulations in solid mechanics. The modeling step associated to the definition of a material constitutive law is circumvented through the introduction of an…

Materials Science · Physics 2023-10-23 Sacha Wattel , Jean-François Molinari , Michael Ortiz , Joaquin Garcia-Suarez

Feature selection is a crucial step in building machine learning models. This process is often achieved with accuracy as an objective, and can be cumbersome and computationally expensive for large-scale datasets. Several additional model…

Machine Learning · Computer Science 2024-03-15 Shubham Sharma , Sanghamitra Dutta , Emanuele Albini , Freddy Lecue , Daniele Magazzeni , Manuela Veloso

Using Large Language Models (LLMs) to generate semantic features has been demonstrated as a powerful paradigm for enhancing Sequential Recommender Systems (SRS). This typically involves three stages: processing item text, extracting…

Information Retrieval · Computer Science 2026-01-29 Kainan Shi , Peilin Zhou , Ge Wang , Han Ding , Fei Wang

Ranking consistently emerges as a primary focus in information retrieval research. Retrieval and ranking models serve as the foundation for numerous applications, including web search, open domain QA, enterprise domain QA, and text-based…

Information Retrieval · Computer Science 2024-12-16 Hansa Meghwani

The exponential growth of textual data has created a crucial need for tools that assist users in extracting meaningful insights. Traditional document summarization approaches often fail to meet individual user requirements and lack…

Information Retrieval · Computer Science 2023-07-13 Samira Ghodratnama , Amin Beheshti , Mehrdad Zakershahrak

Query rewriting aims to generate a new query that can complement the original query to improve the information retrieval system. Recent studies on query rewriting, such as query2doc, query2expand and querey2cot, rely on the internal…

Computation and Language · Computer Science 2024-08-27 Ingeol Baek , Jimin Lee , Joonho Yang , Hwanhee Lee

Relevance and diversity are both crucial criteria for an effective search system. In this paper, we propose a unified learning framework for simultaneously optimizing both relevance and diversity. Specifically, the problem is formalized as…

Information Retrieval · Computer Science 2015-04-21 Yadong Zhu , Yanyan Lan , Jiafeng Guo , Xueqi Cheng

Many real world systems need to operate on heterogeneous information networks that consist of numerous interacting components of different types. Examples include systems that perform data analysis on biological information networks; social…

Artificial Intelligence · Computer Science 2017-07-26 Parisa Kordjamshidi , Sameer Singh , Daniel Khashabi , Christos Christodoulopoulos , Mark Summons , Saurabh Sinha , Dan Roth

Large Language Models (LLMs) have revolutionized natural language processing with their remarkable capabilities in text generation and reasoning. However, these models face critical challenges when deployed in real-world applications,…

Computation and Language · Computer Science 2025-09-16 Pengcheng Jiang , Siru Ouyang , Yizhu Jiao , Ming Zhong , Runchu Tian , Jiawei Han

Document summarization is a task to shorten texts into concise and informative summaries. This paper introduces a novel dataset designed for summarizing multiple scientific articles into a section of a survey. Our contributions are: (1)…

Feature selection aims to identify the optimal feature subset for enhancing downstream models. Effective feature selection can remove redundant features, save computational resources, accelerate the model learning process, and improve the…

Machine Learning · Computer Science 2024-12-19 Nanxu Gong , Wangyang Ying , Dongjie Wang , Yanjie Fu

Commonsense generation is a challenging task of generating a plausible sentence describing an everyday scenario using provided concepts. Its requirement of reasoning over commonsense knowledge and compositional generalization ability even…

Computation and Language · Computer Science 2021-05-25 Han Wang , Yang Liu , Chenguang Zhu , Linjun Shou , Ming Gong , Yichong Xu , Michael Zeng