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Large language model (LLM) embeddings offer a promising new avenue for database query optimization. In this paper, we explore how pre-trained execution plan embeddings can guide SQL query execution without the need for additional model…

数据库 · 计算机科学 2025-07-08 Nikita Vasilenko , Alexander Demin , Vladimir Boorlakov

The capacity of large language models (LLMs) to generate honest, harmless, and helpful responses heavily relies on the quality of user prompts. However, these prompts often tend to be brief and vague, thereby significantly limiting the full…

计算与语言 · 计算机科学 2025-07-01 Xiaohua Wang , Zisu Huang , Feiran Zhang , Zhibo Xu , Cenyuan Zhang , Qi Qian , Xiaoqing Zheng , Xuanjing Huang

Recommender systems often struggle with data sparsity and cold-start scenarios, limiting their ability to provide accurate suggestions for new or infrequent users. This paper presents a Graph Attention Network (GAT) based Collaborative…

信息检索 · 计算机科学 2025-10-31 Danial Ebrat , Sepideh Ahmadian , Luis Rueda

Recommender systems have become an essential component of many online platforms, providing personalized recommendations to users. A crucial aspect is embedding techniques that convert the high-dimensional discrete features, such as user and…

Search systems are increasingly used for reasoning-intensive queries, where what makes a document relevant requires understanding or reasoning over the query-document relation rather than relying on surface vocabulary or topical similarity.…

信息检索 · 计算机科学 2026-05-27 Nilesh Gupta , Wei-Cheng Chang , Ngot Bui , Cho-Jui Hsieh , Inderjit S. Dhillon

Query understanding is essential in modern relevance systems, where user queries are often short, ambiguous, and highly context-dependent. Traditional approaches often rely on multiple task-specific Named Entity Recognition models to…

Web filtering systems rely on accurate web content classification to block cyber threats, prevent data exfiltration, and ensure compliance. However, classification is increasingly difficult due to the dynamic and rapidly evolving nature of…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Naeem Rehmat , Muhammad Saad Saeed , Ijaz Ul Haq , Khalid Malik

This work summarizes two ways to accomplish Time-Series (TS) tasks in today's Large Language Model (LLM) context: LLM-for-TS (model-centric) designs and trains a fundamental large model, or fine-tunes a pre-trained LLM for TS data;…

计算与语言 · 计算机科学 2024-02-23 Chenxi Sun , Hongyan Li , Yaliang Li , Shenda Hong

Large language models (LLMs) call for extension of context to handle many critical applications. However, the existing approaches are prone to expensive costs and inferior quality of context extension. In this work, we proposeExtensible…

计算与语言 · 计算机科学 2024-02-20 Kun Luo , Zheng Liu , Shitao Xiao , Kang Liu

Text embeddings from large language models (LLMs) have achieved excellent results in tasks such as information retrieval, semantic textual similarity, etc. In this work, we show an interesting finding: when feeding a text into the LLM-based…

计算与语言 · 计算机科学 2025-07-08 Zhijie Nie , Richong Zhang , Zhanyu Wu

Large language model (LLM) based task plans and corresponding human demonstrations for embodied AI may be noisy, with unnecessary actions, redundant navigation, and logical errors that reduce policy quality. We propose an iterative…

人工智能 · 计算机科学 2026-01-01 Ananth Hariharan , Vardhan Dongre , Dilek Hakkani-Tür , Gokhan Tur

In this work we focus on improving language models' understanding for asset maintenance to guide the engineer's decisions and minimize asset downtime. Given a set of tasks expressed in natural language for Industry 4.0 domain, each…

计算与语言 · 计算机科学 2025-06-17 Christodoulos Constantinides , Shuxin Lin , Dhaval Patel

Task embedding, a meta-learning technique that captures task-specific information, has gained popularity, especially in areas such as multi-task learning, model editing, and interpretability. However, it faces challenges with the emergence…

计算与语言 · 计算机科学 2024-07-15 Xinyu Wang , Hainiu Xu , Lin Gui , Yulan He

Using tools by Large Language Models (LLMs) is a promising avenue to extend their reach beyond language or conversational settings. The number of tools can scale to thousands as they enable accessing sensory information, fetching updated…

信息检索 · 计算机科学 2024-12-06 Mohammad Kachuee , Sarthak Ahuja , Vaibhav Kumar , Puyang Xu , Xiaohu Liu

Recent large language models (LLM) are leveraging human feedback to improve their generation quality. However, human feedback is costly to obtain, especially during inference. In this work, we propose LLMRefine, an inference time…

Traditional text embedding benchmarks primarily evaluate embedding models' capabilities to capture semantic similarity. However, more advanced NLP tasks require a deeper understanding of text, such as safety and factuality. These tasks…

计算与语言 · 计算机科学 2025-03-05 Simeng Han , Frank Palma Gomez , Tu Vu , Zefei Li , Daniel Cer , Hansi Zeng , Chris Tar , Arman Cohan , Gustavo Hernandez Abrego

Question-answering (QA) is an important application of Information Retrieval (IR) and language models, and the latest trend is toward pre-trained large neural networks with embedding parameters. Augmenting QA performances with these LLMs…

信息检索 · 计算机科学 2024-11-05 Lixiao Yang , Mengyang Xu , Weimao Ke

Large language models (LLMs) have achieved huge success in numerous natural language process (NLP) tasks. However, it faces the challenge of significant resource consumption during inference. In this paper, we aim to improve the inference…

计算与语言 · 计算机科学 2024-02-05 Hanlin Zhu , Banghua Zhu , Jiantao Jiao

With the booming of Large Language Models (LLMs), prompt-learning has become a promising method mainly researched in various research areas. Recently, many attempts based on prompt-learning have been made to improve the performance of text…

计算与语言 · 计算机科学 2024-06-07 Chun Liu , Hongguang Zhang , Kainan Zhao , Xinghai Ju , Lin Yang

The rapid expansion of multimedia content has made accurately retrieving relevant videos from large collections increasingly challenging. Recent advancements in text-video retrieval have focused on cross-modal interactions, large-scale…

计算与语言 · 计算机科学 2024-10-17 Donghoon Han , Eunhwan Park , Gisang Lee , Adam Lee , Nojun Kwak