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Endowing chatbots with a consistent persona is essential to an engaging conversation, yet it remains an unresolved challenge. In this work, we propose a new retrieval-enhanced approach for personalized response generation. Specifically, we…

Computation and Language · Computer Science 2023-06-13 Shuai Liu , Hyundong J. Cho , Marjorie Freedman , Xuezhe Ma , Jonathan May

This paper tackles the pressing challenge of preserving semantic meaning in communication systems constrained by limited bandwidth. We introduce a novel reinforcement learning framework that achieves per-dimension unequal error protection…

Machine Learning · Computer Science 2026-03-02 Moirangthem Tiken Singh , Adnan Arif

The emergence of open data portals necessitates more attention to protecting sensitive data before datasets get published and exchanged. To do so effectively, we observe the need to refine and broaden our definitions of sensitive data, and…

Cryptography and Security · Computer Science 2026-03-16 Liang Telkamp , Madelon Hulsebos

Dense retrieval models use bi-encoder network architectures for learning query and document representations. These representations are often in the form of a vector representation and their similarities are often computed using the dot…

Information Retrieval · Computer Science 2023-05-01 Hamed Zamani , Michael Bendersky

We present a document-level neural machine translation model which takes both source and target document context into account using memory networks. We model the problem as a structured prediction problem with interdependencies among the…

Computation and Language · Computer Science 2018-05-17 Sameen Maruf , Gholamreza Haffari

In the retrieval-based multi-turn dialogue modeling, it remains a challenge to select the most appropriate response according to extracting salient features in context utterances. As a conversation goes on, topic shift at discourse-level…

Computation and Language · Computer Science 2020-12-18 Yi Xu , Hai Zhao , Zhuosheng Zhang

Deep learning based joint source-channel coding (JSCC) has demonstrated significant advancements in data reconstruction compared to separate source-channel coding (SSCC). This superiority arises from the suboptimality of SSCC when dealing…

Machine Learning · Computer Science 2023-08-23 Matin Mortaheb , Mohammad A. Amir Khojastepour , Srimat T. Chakradhar , Sennur Ulukus

Symbolic regression is a powerful system identification technique in industrial scenarios where no prior knowledge on model structure is available. Such scenarios often require specific model properties such as interpretability, robustness,…

Automatically generating human-readable text describing the functionality of a program is the intent of source code summarization. Although neural language models achieve significant performance in this field, they are limited by their…

Artificial Intelligence · Computer Science 2024-04-02 Tong Ye , Lingfei Wu , Tengfei Ma , Xuhong Zhang , Yangkai Du , Peiyu Liu , Shouling Ji , Wenhai Wang

This work investigates retrieval augmented generation as an efficient strategy for automatic context discovery in context-aware Automatic Speech Recognition (ASR) system, in order to improve transcription accuracy in the presence of rare or…

Computation and Language · Computer Science 2025-11-20 Dimitrios Siskos , Stavros Papadopoulos , Pablo Peso Parada , Jisi Zhang , Karthikeyan Saravanan , Anastasios Drosou

Cross-modal retrieval methods have been significantly improved in last years with the use of deep neural networks and large-scale annotated datasets such as ImageNet and Places. However, collecting and annotating such datasets requires a…

Computer Vision and Pattern Recognition · Computer Science 2019-02-04 Yash Patel , Lluis Gomez , Marçal Rusiñol , Dimosthenis Karatzas , C. V. Jawahar

This study proposes a text classification algorithm based on large language models, aiming to address the limitations of traditional methods in capturing long-range dependencies, understanding contextual semantics, and handling class…

Computation and Language · Computer Science 2025-12-11 Ning Lyu , Yuxi Wang , Feng Chen , Qingyuan Zhang

Pre-trained language models have been widely exploited to learn dense representations of documents and queries for information retrieval. While previous efforts have primarily focused on improving effectiveness and user satisfaction,…

Information Retrieval · Computer Science 2025-05-01 Cristina Ioana Muntean , Franco Maria Nardini , Raffaele Perego , Guido Rocchietti , Cosimo Rulli

Recently, scene text detection has been a challenging task. Texts with arbitrary shape or large aspect ratio are usually hard to detect. Previous segmentation-based methods can describe curve text more accurately but suffer from over…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Qi Zhao , Yufei Wang , Shuchang Lyu , Lijiang Chen

Open-domain multi-turn conversations mainly have three features, which are hierarchical semantic structure, redundant information, and long-term dependency. Grounded on these, selecting relevant context becomes a challenge step for…

Computation and Language · Computer Science 2021-02-19 Lei Shen , Haolan Zhan , Xin Shen , Yang Feng

Binary code similarity detection is a core task in reverse engineering. It supports malware analysis and vulnerability discovery by identifying semantically similar code in different contexts. Modern methods have progressed from manually…

Artificial Intelligence · Computer Science 2025-09-30 Charles E. Gagnon , Steven H. H. Ding , Philippe Charland , Benjamin C. M. Fung

This paper explores the concept of information importance in multi-modal task-oriented semantic communication systems, emphasizing the need for high accuracy and efficiency to fulfill task-specific objectives. At the transmitter, generative…

Signal Processing · Electrical Eng. & Systems 2025-02-25 Yi Ma , Chunmei Xu , Zhenyu Liu , Siqi Zhang , Rahim Tafazolli

The more new features that are being added to smartphones, the harder it becomes for users to find them. This is because the feature names are usually short, and there are just too many to remember. In such a case, the users may want to ask…

Information Retrieval · Computer Science 2023-07-19 Joonyoung Kim , Kangwook Lee , Haebin Shin , Hurnjoo Lee , Sechun Kang , Byunguk Choi , Dong Shin , Joohyung Lee

Learning an encoding of feature vectors in terms of an over-complete dictionary or a information geometric (Fisher vectors) construct is wide-spread in statistical signal processing and computer vision. In content based information…

Information Retrieval · Computer Science 2017-11-15 B Sengupta , E Vasquez , Y Qian

Referring image segmentation is a challenging task that involves generating pixel-wise segmentation masks based on natural language descriptions. The complexity of this task increases with the intricacy of the sentences provided. Existing…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Hai Nguyen-Truong , E-Ro Nguyen , Tuan-Anh Vu , Minh-Triet Tran , Binh-Son Hua , Sai-Kit Yeung