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Modern text-to-vision generative models often hallucinate when the prompt describing the scene to be generated is underspecified. In large language models (LLMs), a prevalent strategy to reduce hallucinations is to retrieve factual…

计算机视觉与模式识别 · 计算机科学 2024-11-06 Jinqi Luo , Kwan Ho Ryan Chan , Dimitris Dimos , René Vidal

This paper explores the impact of context selection on the efficiency of Large Language Models (LLMs) in generating Artificial Intelligence (AI) research leaderboards, a task defined as the extraction of (Task, Dataset, Metric, Score)…

计算与语言 · 计算机科学 2024-07-03 Salomon Kabongo , Jennifer D'Souza , Sören Auer

Failure mode and effects analysis (FMEA) is an essential tool for mitigating potential failures, particularly during the ramp-up phases of new products. However, its effectiveness is often limited by the reasoning capabilities of the FMEA…

信息检索 · 计算机科学 2025-04-01 Lukas Bahr , Christoph Wehner , Judith Wewerka , José Bittencourt , Ute Schmid , Rüdiger Daub

Retrieval-augmented generation improves large language models by grounding outputs in external knowledge sources, reducing hallucinations and addressing knowledge cutoffs. However, standard embedding-based retrieval fails to capture the…

信息检索 · 计算机科学 2025-12-23 Markus Ekvall , Ludvig Bergenstråhle , Patrick Truong , Ben Murrell , Joakim Lundeberg

Fine-grained entity type classification (FETC) is the task of classifying an entity mention to a broad set of types. Distant supervision paradigm is extensively used to generate training data for this task. However, generated training data…

计算与语言 · 计算机科学 2017-02-23 Abhishek , Ashish Anand , Amit Awekar

Terms are linguistic signifiers of domain-specific concepts. Automated recognition of multi-word terms (MWT) in free text is a sequence labelling problem, which is commonly addressed using supervised machine learning methods. Their need for…

计算与语言 · 计算机科学 2021-11-08 Irena Spasic

Search engines often follow a two-phase paradigm where in the first stage (the retrieval stage) an initial set of documents is retrieved and in the second stage (the re-ranking stage) the documents are re-ranked to obtain the final result…

信息检索 · 计算机科学 2020-10-06 Saar Kuzi , Mingyang Zhang , Cheng Li , Michael Bendersky , Marc Najork

Novel contexts may often arise in complex querying scenarios such as in evidence-based medicine (EBM) involving biomedical literature, that may not explicitly refer to entities or canonical concept forms occurring in any fact- or rule-based…

计算与语言 · 计算机科学 2019-11-12 Manirupa Das , Juanxi Li , Eric Fosler-Lussier , Simon Lin , Soheil Moosavinasab , Steve Rust , Yungui Huang , Rajiv Ramnath

Recent successes in natural language processing have led to the proliferation of large language models (LLMs) by multiple providers. Each LLM offering has different inference accuracy, monetary cost, and latency, and their accuracy further…

计算与语言 · 计算机科学 2024-11-21 Xuechen Zhang , Zijian Huang , Ege Onur Taga , Carlee Joe-Wong , Samet Oymak , Jiasi Chen

Although deep pre-trained language models have shown promising benefit in a large set of industrial scenarios, including Click-Through-Rate (CTR) prediction, how to integrate pre-trained language models that handle only textual signals into…

计算与语言 · 计算机科学 2023-08-23 Dong Wang , Kavé Salamatian , Yunqing Xia , Weiwei Deng , Qi Zhiang

Segmentation-based methods are widely used for scene text detection due to their superiority in describing arbitrary-shaped text instances. However, two major problems still exist: 1) current label generation techniques are mostly empirical…

计算机视觉与模式识别 · 计算机科学 2021-03-17 Chenwei Cui , Liangfu Lu , Zhiyuan Tan , Amir Hussain

Recent advancements in large language models (LLMs) and multi-modal LLMs have been remarkable. However, these models still rely solely on their parametric knowledge, which limits their ability to generate up-to-date information and…

人工智能 · 计算机科学 2025-04-22 Zihan Ling , Zhiyao Guo , Yixuan Huang , Yi An , Shuai Xiao , Jinsong Lan , Xiaoyong Zhu , Bo Zheng

Recently, doc2vec has achieved excellent results in different tasks. In this paper, we present a context aware variant of doc2vec. We introduce a novel weight estimating mechanism that generates weights for each word occurrence according to…

计算与语言 · 计算机科学 2017-07-07 Zhaocheng Zhu , Junfeng Hu

Memes are one of the most popular types of content used to spread information online. They can influence a large number of people through rhetorical and psychological techniques. The task, Detection of Persuasion Techniques in Texts and…

计算与语言 · 计算机科学 2021-06-02 Kshitij Gupta , Devansh Gautam , Radhika Mamidi

The integration of Retrieval-Augmented Generation (RAG) with Multimodal Large Language Models (MLLMs) has revolutionized information retrieval and expanded the practical applications of AI. However, current systems struggle in accurately…

计算与语言 · 计算机科学 2025-03-24 Dongyoung Go , Taesun Whang , Chanhee Lee , Hwa-Yeon Kim , Sunghoon Park , Seunghwan Ji , Jinho Kim , Dongchan Kim , Young-Bum Kim

Knowledge-intensive analytical applications retrieve context from both structured tabular data and unstructured, text-free documents for effective decision-making. Large language models (LLMs) have made it significantly easier to prototype…

数据库 · 计算机科学 2026-04-28 Anas Dorbani , Sunny Yasser , Jimmy Lin , Amine Mhedhbi

Previous works on emotion recognition in conversation (ERC) follow a two-step paradigm, which can be summarized as first producing context-independent features via fine-tuning pretrained language models (PLMs) and then analyzing contextual…

计算与语言 · 计算机科学 2023-01-18 Xiangyu Qin , Zhiyu Wu , Jinshi Cui , Tingting Zhang , Yanran Li , Jian Luan , Bin Wang , Li Wang

We address the challenging task of cross-modal moment retrieval, which aims to localize a temporal segment from an untrimmed video described by a natural language query. It poses great challenges over the proper semantic alignment between…

计算机视觉与模式识别 · 计算机科学 2022-08-22 Kun Liu , Huadong Ma , Chuang Gan

Continual learning (CL) aims to extend deep models from static and enclosed environments to dynamic and complex scenarios, enabling systems to continuously acquire new knowledge of novel categories without forgetting previously learned…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Sunyuan Qiang , Xuxin Lin , Yanyan Liang , Jun Wan , Du Zhang

Large Language Models (LLMs) are increasingly expected to operate over long contexts, yet standard softmax attention incurs a KV cache that grows linearly with sequence length, quickly becoming the bottleneck for long context inference. A…

计算与语言 · 计算机科学 2026-05-26 Xintong Yang , Hao Gu , Binxing Xu , Lujun Li , Bei Liu , Jiacheng Liu , Qiyuan Zhu , Sirui Han , Yike Guo
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