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Hashing that projects data into binary codes has shown extraordinary talents in cross-modal retrieval due to its low storage usage and high query speed. Despite their empirical success on some scenarios, existing cross-modal hashing methods…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Yufeng Shi , Xinge You , Jiamiao Xu , Feng Zheng , Qinmu Peng , Weihua Ou

Multi-source multi-hop question answering (QA) represents a challenging task in natural language processing due to the need for dynamic integration of heterogeneous knowledge sources and multi-step reasoning. Existing methods often suffer…

Computation and Language · Computer Science 2025-02-11 Jackson Coleman , Isaiah Lawrence , Benjamin Turner

We study the coarse-grained selection module in retrieval-based chatbot. Coarse-grained selection is a basic module in a retrieval-based chatbot, which constructs a rough candidate set from the whole database to speed up the interaction…

Computation and Language · Computer Science 2020-12-21 Tian Lan , Xian-Ling Mao , Xiaoyan Gao , Wei Wei , Heyan Huang

Dense retrieval has become the new paradigm in passage retrieval. Despite its effectiveness on typo-free queries, it is not robust when dealing with queries that contain typos. Current works on improving the typo-robustness of dense…

Information Retrieval · Computer Science 2024-03-19 Georgios Sidiropoulos , Evangelos Kanoulas

The burgeoning volume of multi-modal data necessitates advanced retrieval paradigms beyond unimodal and cross-modal approaches. Composed Multi-modal Retrieval (CMR) emerges as a pivotal next-generation technology, enabling users to query…

Information Retrieval · Computer Science 2025-07-22 Kun Zhang , Jingyu Li , Zhe Li , Jingjing Zhang , Fan Li , Yandong Liu , Rui Yan , Zihang Jiang , Nan Chen , Lei Zhang , Yongdong Zhang , Zhendong Mao , S. Kevin Zhou

The Retrieval-Augmented Generation (RAG) approach enhances question-answering systems and dialogue generation tasks by integrating information retrieval (IR) technologies with large language models (LLMs). This strategy, which retrieves…

Computation and Language · Computer Science 2025-09-15 Duolin Sun , Dan Yang , Yue Shen , Yihan Jiao , Zhehao Tan , Jie Feng , Lianzhen Zhong , Jian Wang , Peng Wei , Jinjie Gu

Retrieval-augmented language models can better adapt to changes in world state and incorporate long-tail knowledge. However, most existing methods retrieve only short contiguous chunks from a retrieval corpus, limiting holistic…

Computation and Language · Computer Science 2024-02-01 Parth Sarthi , Salman Abdullah , Aditi Tuli , Shubh Khanna , Anna Goldie , Christopher D. Manning

We consider the task of answering complex multi-hop questions using a corpus as a virtual knowledge base (KB). In particular, we describe a neural module, DrKIT, that traverses textual data like a KB, softly following paths of relations…

Computation and Language · Computer Science 2020-02-26 Bhuwan Dhingra , Manzil Zaheer , Vidhisha Balachandran , Graham Neubig , Ruslan Salakhutdinov , William W. Cohen

Retrieval-augmented generation (RAG) has been extensively employed to mitigate hallucinations in large language models (LLMs). However, existing methods for multi-hop reasoning tasks often lack global planning, increasing the risk of…

Computation and Language · Computer Science 2025-11-14 Yijie Zhu , Haojie Zhou , Wanting Hong , Tailin Liu , Ning Wang

Modular neural networks without additional training have recently been shown to surpass end-to-end neural networks on challenging vision-language tasks. The latest such methods simultaneously introduce LLM-based code generation to build…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Apoorv Khandelwal , Ellie Pavlick , Chen Sun

Recent video multimodal large language models (MLLMs) increasingly couple step-by-step reasoning with on-demand visual evidence retrieval, allowing models to revisit relevant video segments during inference. However, two structural gaps…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Peng Zhang , Guanghao Zhang , Wanggui He , Longxiang Zhang , Mushui Liu , Yan Xia , Zhenhao Peng , Weilong Dai , Jinlong Liu , Haobing Tang , Le Zhang , Hao Jiang , Pipei Huang

Decoder-only methods, such as GPT, have demonstrated superior performance in many areas compared to traditional encoder-decoder structure transformer methods. Over the years, end-to-end methods based on the traditional transformer…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Liao Pan , Yang Feng , Zhao Wenhui , Yua Jinwen , Zhang Dingwen

Decompilers are useful tools used in reverse engineering to understand compiled source code. Reconstructing source code from compiled binaries is a challenging task, because high-level syntax, identifiers, and custom data types are…

Software Engineering · Computer Science 2026-05-13 Alexander Shypula , Osbert Bastani , Edward Schwartz

Multi-hop question answering is widely used to evaluate the reasoning capabilities of large language models (LLMs), as it requires integrating multiple pieces of supporting knowledge to arrive at a correct answer. While prior work has…

Computation and Language · Computer Science 2026-01-13 Zhuoyi Yang , Yurun Song , Iftekhar Ahmed , Ian Harris

Numerous retrieval models, including sparse, dense and llm-based methods, have demonstrated remarkable performance in predicting the relevance between queries and corpora. However, the preliminary effectiveness analysis experiments indicate…

Information Retrieval · Computer Science 2024-12-17 Tian-Yi Che , Xian-Ling Mao , Chun Xu , Cheng-Xin Xin , Heng-Da Xu , Jin-Yu Liu , Heyan Huang

Recent advances in deep learning has lead to rapid developments in the field of image retrieval. However, the best performing architectures incur significant computational cost. Recent approaches tackle this issue using knowledge…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Zakaria Laskar , Juho Kannala

Robotic grasping is one of the most fundamental tasks in robotic manipulation, and grasp detection/generation has long been the subject of extensive research. Recently, language-driven grasp generation has emerged as a promising direction…

Models capable of "thinking with images" by dynamically grounding their reasoning in visual evidence represent a major leap in multimodal AI. However, replicating and advancing this ability is non-trivial, with current methods often trapped…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Zhaoyang Wei , Wenchao Ding , Yanchao Hao , Xi Chen

Multi-hop reading comprehension across multiple documents attracts much attention recently. In this paper, we propose a novel approach to tackle this multi-hop reading comprehension problem. Inspired by human reasoning processing, we…

Computation and Language · Computer Science 2020-06-15 Zeyun Tang , Yongliang Shen , Xinyin Ma , Wei Xu , Jiale Yu , Weiming Lu

Question answering (QA) over tables and text has gained much popularity over the years. Multi-hop table-text QA requires multiple hops between the table and text, making it a challenging QA task. Although several works have attempted to…

Computation and Language · Computer Science 2024-10-02 Jayetri Bardhan , Bushi Xiao , Daisy Zhe Wang