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We demonstrate the complementary natures of neural knowledge graph embedding, fine-grain entity type prediction, and neural language modeling. We show that a language model-inspired knowledge graph embedding approach yields both improved…

计算与语言 · 计算机科学 2020-10-13 Rajat Patel , Francis Ferraro

The generalization problem on KBQA has drawn considerable attention. Existing research suffers from the generalization issue brought by the entanglement in the coarse-grained modeling of the logical expression, or inexecutability issues due…

人工智能 · 计算机科学 2023-06-27 Lingxi Zhang , Jing Zhang , Yanling Wang , Shulin Cao , Xinmei Huang , Cuiping Li , Hong Chen , Juanzi Li

Multiscale molecular modeling is widely applied in scientific research of molecular properties over large time and length scales. Two specific challenges are commonly present in multiscale modeling, provided that information between the…

计算物理 · 物理学 2024-07-23 Jun Zhang , Xiaohan Lin , Weinan E , Yi Qin Gao

Multi-hop reading comprehension focuses on one type of factoid question, where a system needs to properly integrate multiple pieces of evidence to correctly answer a question. Previous work approximates global evidence with local…

计算与语言 · 计算机科学 2018-09-07 Linfeng Song , Zhiguo Wang , Mo Yu , Yue Zhang , Radu Florian , Daniel Gildea

Multimodal information processing has become increasingly important for enhancing image classification performance. However, the intricate and implicit dependencies across different modalities often hinder conventional methods from…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Yang Qiao , Xiaoyu Zhong , Xiaofeng Gu , Zhiguo Yu

A fundamental trade-off between effectiveness and efficiency needs to be balanced when designing an online question answering system. Effectiveness comes from sophisticated functions such as extractive machine reading comprehension (MRC),…

计算与语言 · 计算机科学 2019-08-14 Ming Yan , Jiangnan Xia , Chen Wu , Bin Bi , Zhongzhou Zhao , Ji Zhang , Luo Si , Rui Wang , Wei Wang , Haiqing Chen

The impressive performance of Large Language Model (LLM) has prompted researchers to develop Multi-modal LLM (MLLM), which has shown great potential for various multi-modal tasks. However, current MLLM often struggles to effectively address…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Yeyuan Wang , Dehong Gao , Bin Li , Rujiao Long , Lei Yi , Xiaoyan Cai , Libin Yang , Jinxia Zhang , Shanqing Yu , Qi Xuan

We address jointly two important tasks for Question Answering in community forums: given a new question, (i) find related existing questions, and (ii) find relevant answers to this new question. We further use an auxiliary task to…

计算与语言 · 计算机科学 2018-09-25 Shafiq Joty , Lluis Marquez , Preslav Nakov

Video Question Answering (VideoQA) is a very attractive and challenging research direction aiming to understand complex semantics of heterogeneous data from two domains, i.e., the spatio-temporal video content and the word sequence in…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Chengxiang Yin , Zhengping Che , Kun Wu , Zhiyuan Xu , Qinru Qiu , Jian Tang

Most work on natural language question answering today focuses on answer selection: given a candidate list of sentences, determine which contains the answer. Although important, answer selection is only one stage in a standard end-to-end…

信息检索 · 计算机科学 2017-07-26 Royal Sequiera , Gaurav Baruah , Zhucheng Tu , Salman Mohammed , Jinfeng Rao , Haotian Zhang , Jimmy Lin

Deep learning algorithms have recently gained significant attention due to their impressive performance. However, their high complexity and un-interpretable mode of operation hinders their confident deployment in real-world safety-critical…

机器学习 · 计算机科学 2024-06-28 Konstantinos P. Panousis , Dino Ienco , Diego Marcos

Recently, several studies have explored methods for using KG embedding to answer logical queries. These approaches either treat embedding learning and query answering as two separated learning tasks, or fail to deal with the variability of…

机器学习 · 计算机科学 2019-10-02 Gengchen Mai , Krzysztof Janowicz , Bo Yan , Rui Zhu , Ling Cai , Ni Lao

Conventional deep networks rely on one-way backpropagation that overlooks reconciling high-level predictions with lower-level representations. We propose \emph{Contextual Feedback Loops} (CFLs), a lightweight mechanism that re-injects…

机器学习 · 计算机科学 2025-04-30 Jacob Fein-Ashley , Rajgopal Kannan , Viktor Prasanna

Visual Commonsense Reasoning (VCR), deemed as one challenging extension of the Visual Question Answering (VQA), endeavors to pursue a more high-level visual comprehension. It is composed of two indispensable processes: question answering…

计算机视觉与模式识别 · 计算机科学 2023-07-26 Zhenyang Li , Yangyang Guo , Kejie Wang , Yinwei Wei , Liqiang Nie , Mohan Kankanhalli

We propose a novel representation for dense pixel-wise estimation tasks using CNNs that boosts accuracy and reduces training time, by explicitly exploiting joint coarse-and-fine reasoning. The coarse reasoning is performed over a discrete…

计算机视觉与模式识别 · 计算机科学 2018-08-23 Victor Vaquero , German Ros , Francesc Moreno-Noguer , Antonio M. Lopez , Alberto Sanfeliu

Machine reading comprehension (MRC) on real web data usually requires the machine to answer a question by analyzing multiple passages retrieved by search engine. Compared with MRC on a single passage, multi-passage MRC is more challenging,…

计算与语言 · 计算机科学 2018-05-11 Yizhong Wang , Kai Liu , Jing Liu , Wei He , Yajuan Lyu , Hua Wu , Sujian Li , Haifeng Wang

Several deep learning models have been proposed for question answering. However, due to their single-pass nature, they have no way to recover from local maxima corresponding to incorrect answers. To address this problem, we introduce the…

计算与语言 · 计算机科学 2018-03-08 Caiming Xiong , Victor Zhong , Richard Socher

Coreference resolution aims to identify in a text all mentions that refer to the same real-world entity. The state-of-the-art end-to-end neural coreference model considers all text spans in a document as potential mentions and learns to…

计算与语言 · 计算机科学 2018-05-15 Rui Zhang , Cicero Nogueira dos Santos , Michihiro Yasunaga , Bing Xiang , Dragomir Radev

Image-text retrieval is a widely studied topic in the field of computer vision due to the exponential growth of multimedia data, whose core concept is to measure the similarity between images and text. However, most existing retrieval…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Yang Zhang

This paper presents a novel Chunking-Free In-Context (CFIC) retrieval approach, specifically tailored for Retrieval-Augmented Generation (RAG) systems. Traditional RAG systems often struggle with grounding responses using precise evidence…

计算与语言 · 计算机科学 2024-02-16 Hongjin Qian , Zheng Liu , Kelong Mao , Yujia Zhou , Zhicheng Dou