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Recommender models excel at providing domain-specific item recommendations by leveraging extensive user behavior data. Despite their ability to act as lightweight domain experts, they struggle to perform versatile tasks such as providing…

信息检索 · 计算机科学 2024-01-31 Xu Huang , Jianxun Lian , Yuxuan Lei , Jing Yao , Defu Lian , Xing Xie

We introduce the Exemplar-Based Expository Text Generation task, aiming to generate an expository text on a new topic using an exemplar on a similar topic. Current methods fall short due to their reliance on extensive exemplar data,…

计算与语言 · 计算机科学 2025-05-27 Yuxiang Liu , Kevin Chen-Chuan Chang

Transformer-based pre-trained models have gained much advance in recent years, becoming one of the most important backbones in natural language processing. Recent work shows that the attention mechanism inside Transformer may not be…

计算与语言 · 计算机科学 2022-10-27 Yile Wang , Linyi Yang , Zhiyang Teng , Ming Zhou , Yue Zhang

Recent advancements in pre-trained Vision-Language Models (VLMs) have highlighted the significant potential of prompt tuning for adapting these models to a wide range of downstream tasks. However, existing prompt tuning methods typically…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Xinyang Wang , Yi Yang , Minfeng Zhu , Kecheng Zheng , Shi Liu , Wei Chen

Recent researches of large language models(LLM), which is pre-trained on massive general-purpose corpora, have achieved breakthroughs in responding human queries. However, these methods face challenges including limited data insufficiency…

计算与语言 · 计算机科学 2025-01-07 Yiming Zhang , Zheng Chang , Wentao Cai , MengXing Ren , Kang Yuan , Yining Sun , Zenghui Ding

Large transformer-based language models, e.g. BERT and GPT-3, outperform previous architectures on most natural language processing tasks. Such language models are first pre-trained on gigantic corpora of text and later used as base-model…

计算与语言 · 计算机科学 2022-11-16 Pieter Delobelle , Thomas Winters , Bettina Berendt

We address the challenge of building domain-specific knowledge models for industrial use cases, where labelled data and taxonomic information is initially scarce. Our focus is on inductive link prediction models as a basis for practical…

机器学习 · 计算机科学 2023-01-03 Felix Hamann , Adrian Ulges , Maurice Falk

This article presents a hybrid approach based on a Grounded Text Generation (GTG) model to building robust task bots at scale. GTG is a hybrid model which uses a large-scale Transformer neural network as its backbone, combined with…

人工智能 · 计算机科学 2020-09-09 Jianfeng Gao , Baolin Peng , Chunyuan Li , Jinchao Li , Shahin Shayandeh , Lars Liden , Heung-Yeung Shum

Large language models(LLMs), with their powerful language generation and reasoning capabilities, have already achieved notable success in many domains, e.g., math and code generation. However, they often fall short when tackling real-life…

人工智能 · 计算机科学 2025-06-03 Jie Feng , Tianhui Liu , Yuwei Du , Siqi Guo , Yuming Lin , Yong Li

Feature attribution methods highlight the important input tokens as explanations to model predictions, which have been widely applied to deep neural networks towards trustworthy AI. However, recent works show that explanations provided by…

计算与语言 · 计算机科学 2024-01-01 Dongfang Li , Baotian Hu , Qingcai Chen , Shan He

Multimodal Large Language Models (MLLMs) are widely regarded as crucial in the exploration of Artificial General Intelligence (AGI). The core of MLLMs lies in their capability to achieve cross-modal alignment. To attain this goal, current…

计算与语言 · 计算机科学 2024-11-26 Fei Zhao , Taotian Pang , Chunhui Li , Zhen Wu , Junjie Guo , Shangyu Xing , Xinyu Dai

With the prosperity of e-commerce and web applications, Recommender Systems (RecSys) have become an important component of our daily life, providing personalized suggestions that cater to user preferences. While Deep Neural Networks (DNNs)…

信息检索 · 计算机科学 2025-01-22 Zihuai Zhao , Wenqi Fan , Jiatong Li , Yunqing Liu , Xiaowei Mei , Yiqi Wang , Zhen Wen , Fei Wang , Xiangyu Zhao , Jiliang Tang , Qing Li

Existing pre-trained models for knowledge-graph-to-text (KG-to-text) generation simply fine-tune text-to-text pre-trained models such as BART or T5 on KG-to-text datasets, which largely ignore the graph structure during encoding and lack…

计算与语言 · 计算机科学 2021-06-22 Pei Ke , Haozhe Ji , Yu Ran , Xin Cui , Liwei Wang , Linfeng Song , Xiaoyan Zhu , Minlie Huang

Large language models (LLMs) open up new horizons for sequential recommendations, owing to their remarkable language comprehension and generation capabilities. However, there are still numerous challenges that should be addressed to…

信息检索 · 计算机科学 2024-03-29 Yuling Wang , Changxin Tian , Binbin Hu , Yanhua Yu , Ziqi Liu , Zhiqiang Zhang , Jun Zhou , Liang Pang , Xiao Wang

The rapid advancement of large language models, such as the Generative Pre-trained Transformer (GPT) series, has had significant implications across various disciplines. In this study, we investigate the potential of the state-of-the-art…

计算与语言 · 计算机科学 2023-09-06 Yunhao Yang , Anshul Tomar

Diffusion probabilistic models have shown great success in generating high-quality images controllably, and researchers have tried to utilize this controllability into text generation domain. Previous works on diffusion-based language…

计算与语言 · 计算机科学 2023-06-13 Yiwei Lyu , Tiange Luo , Jiacheng Shi , Todd C. Hollon , Honglak Lee

We present a novel approach for training small language models for reasoning-intensive document ranking that combines knowledge distillation with reinforcement learning optimization. While existing methods often rely on expensive human…

信息检索 · 计算机科学 2025-07-01 Chris Samarinas , Hamed Zamani

Aligning Large Language Models (LLMs) with human intentions and values is crucial yet challenging. Current methods primarily rely on human preferences, which are costly and insufficient in capturing nuanced feedback expressed in natural…

计算与语言 · 计算机科学 2024-06-12 Chi Hu , Yimin Hu , Hang Cao , Tong Xiao , Jingbo Zhu

We study the pre-train + fine-tune strategy for data-to-text tasks. Our experiments indicate that text-to-text pre-training in the form of T5, enables simple, end-to-end transformer based models to outperform pipelined neural architectures…

计算与语言 · 计算机科学 2021-07-12 Mihir Kale , Abhinav Rastogi

Language models have become increasingly popular in recent years for tasks like information retrieval. As use-cases become oriented toward specific domains, fine-tuning becomes default for standard performance. To fine-tune these models for…

计算与语言 · 计算机科学 2023-01-02 Pranjali Awasthi , David Recio-Mitter , Yosuke Kyle Sugi