中文
相关论文

相关论文: Cost-Aware Contrastive Routing for LLMs

200 篇论文

With the growing use of Retrieval-Augmented Generation (RAG), training large language models (LLMs) for context-sensitive reasoning and faithfulness is increasingly important. Existing RAG-oriented reinforcement learning (RL) methods rely…

计算与语言 · 计算机科学 2026-03-06 Zhehao Tan , Yihan Jiao , Dan Yang , Junjie Wang , Duolin Sun , Jie Feng , Xidong Wang , Lei Liu , Yue Shen , Jian Wang , Jinjie Gu

Large language models excel at many tasks but often incur high inference costs during deployment. To mitigate hallucination, many systems use a knowledge graph to enhance retrieval-augmented generation (KG-RAG). However, the large amount of…

信息检索 · 计算机科学 2025-10-14 Hairu Wang , Yuan Feng , Yukun Cao , Xike Xie , S Kevin Zhou

Graph representation learning (GRL) makes considerable progress recently, which encodes graphs with topological structures into low-dimensional embeddings. Meanwhile, the time-consuming and costly process of annotating graph labels manually…

机器学习 · 计算机科学 2024-02-28 Haojun Jiang , Jiawei Sun , Jie Li , Chentao Wu

Context, the embedding of previous collected trajectories, is a powerful construct for Meta-Reinforcement Learning (Meta-RL) algorithms. By conditioning on an effective context, Meta-RL policies can easily generalize to new tasks within a…

机器学习 · 计算机科学 2020-12-16 Haotian Fu , Hongyao Tang , Jianye Hao , Chen Chen , Xidong Feng , Dong Li , Wulong Liu

Recent advancements in machine learning (ML), natural language processing (NLP), and foundational models have shown promise for real-life applications in critical, albeit compute-constrainted fields like healthcare. In such areas, combining…

机器学习 · 计算机科学 2025-02-05 Georgios Margaritis , Periklis Petridis , Dimitris J. Bertsimas

Large language Model (LLM)-assisted algorithm discovery is an iterative, black-box optimization process over programs to approximatively solve a target task, where an LLM proposes candidate programs and an external evaluator provides task…

机器学习 · 计算机科学 2026-02-04 Timothee Leleu , Sudeera Gunathilaka , Federico Ghimenti , Surya Ganguli

Large language models (LLMs) can perform recommendation tasks by taking prompts written in natural language as input. Compared to traditional methods such as collaborative filtering, LLM-based recommendation offers advantages in handling…

信息检索 · 计算机科学 2025-07-21 Genki Kusano , Kosuke Akimoto , Kunihiro Takeoka

Most of the existing neural-based models for keyword spotting (KWS) in smart devices require thousands of training samples to learn a decent audio representation. However, with the rising demand for smart devices to become more…

Recent works show that assembling multiple off-the-shelf large language models (LLMs) can harness their complementary abilities. To achieve this, routing is a promising method, which learns a router to select the most suitable LLM for each…

机器学习 · 计算机科学 2024-10-01 Shuhao Chen , Weisen Jiang , Baijiong Lin , James T. Kwok , Yu Zhang

Contrastive learning has achieved remarkable success on various high-level tasks, but there are fewer contrastive learning-based methods proposed for low-level tasks. It is challenging to adopt vanilla contrastive learning technologies…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Gang Wu , Junjun Jiang , Xianming Liu

Click-through rate (CTR) prediction is a crucial task in the context of an online on-demand food delivery (OFD) platform for precisely estimating the probability of a user clicking on food items. Unlike universal e-commerce platforms such…

信息检索 · 计算机科学 2023-08-17 Guyu Jiang , Xiaoyun Li , Rongrong Jing , Ruoqi Zhao , Xingliang Ni , Guodong Cao , Ning Hu

Automated log analysis is crucial to ensure high availability and reliability of complex systems. The advent of LLMs in NLP has ushered in a new era of language model-driven automated log analysis, garnering significant interest. Within…

软件工程 · 计算机科学 2025-01-22 Lipeng Ma , Weidong Yang , Yixuan Li , Ben Fei , Mingjie Zhou , Shuhao Li , Sihang Jiang , Bo Xu , Yanghua Xiao

Contrastive learning (CL) has become a ubiquitous approach for several natural language processing (NLP) downstream tasks, especially for question answering (QA). However, the major challenge, how to efficiently train the knowledge…

计算与语言 · 计算机科学 2022-03-31 Wenshen Xu , Mieradilijiang Maimaiti , Yuanhang Zheng , Xin Tang , Ji Zhang

Improving sample efficiency is a key research problem in reinforcement learning (RL), and CURL, which uses contrastive learning to extract high-level features from raw pixels of individual video frames, is an efficient…

机器学习 · 计算机科学 2020-10-16 Jinhua Zhu , Yingce Xia , Lijun Wu , Jiajun Deng , Wengang Zhou , Tao Qin , Houqiang Li

Language identification (LID) is a critical step in curating multilingual LLM pretraining corpora from web crawls. While many studies on LID model training focus on collecting diverse training data to improve performance, low-resource…

计算与语言 · 计算机科学 2026-03-11 Negar Foroutan , Jakhongir Saydaliev , Ye Eun Kim , Antoine Bosselut

Continual video instance segmentation demands both the plasticity to absorb new object categories and the stability to retain previously learned ones, all while preserving temporal consistency across frames. In this work, we introduce…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Baichen Liu , Qi Lyu , Xudong Wang , Jiahua Dong , Lianqing Liu , Zhi Han

This study investigates the use of NeuralUCB for cost-aware large language model (LLM) routing. Existing routing approaches can be broadly grouped into supervised routing methods and partial-feedback methods, each with different tradeoffs…

机器学习 · 计算机科学 2026-04-01 Ming-Hua Tsai , Phat Tran

In large language models (LLM)-based recommendation systems (LLM-RSs), accurately predicting user preferences by leveraging the general knowledge of LLMs is possible without requiring extensive training data. By converting recommendation…

信息检索 · 计算机科学 2024-12-20 Genki Kusano , Kosuke Akimoto , Kunihiro Takeoka

Self-supervised learning (SSL) leverages large amounts of unlabelled data to learn rich speech representations, fostering improvements in automatic speech recognition (ASR), even when only a small amount of labelled data is available for…

音频与语音处理 · 电气工程与系统科学 2025-08-28 Carlos Carvalho , Alberto Abad

Modern LLM deployments confront a widening cost-performance spectrum: premium models deliver strong reasoning but are expensive, while lightweight models are economical yet brittle on complex tasks. Static escalation rules and keyword…