English
Related papers

Related papers: Hyperbolic Representation Learning for Fast and Ef…

200 papers

Deep neural networks are susceptible to catastrophic forgetting when trained on sequential tasks. Various continual learning (CL) methods often rely on exemplar buffers or/and network expansion for balancing model stability and plasticity,…

Machine Learning · Computer Science 2024-01-18 Depeng Li , Tianqi Wang , Junwei Chen , Qining Ren , Kenji Kawaguchi , Zhigang Zeng

Human cognition excels at symbolic reasoning, deducing abstract rules from limited samples. This has been explained using symbolic and connectionist approaches, inspiring the development of a neuro-symbolic architecture that combines both…

Artificial Intelligence · Computer Science 2024-05-24 Mohamed Mejri , Chandramouli Amarnath , Abhijit Chatterjee

Deep convolutional neural networks demonstrate impressive results in the super-resolution domain. A series of studies concentrate on improving peak signal noise ratio (PSNR) by using much deeper layers, which are not friendly to constrained…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Xiangxiang Chu , Bo Zhang , Hailong Ma , Ruijun Xu , Qingyuan Li

While numerous methods have been proposed as defenses against adversarial examples in question answering (QA), these techniques are often model specific, require retraining of the model, and give only marginal improvements in performance…

Computation and Language · Computer Science 2021-02-08 Sagnik Majumder , Chinmoy Samant , Greg Durrett

Hyperbolic spaces, which have the capacity to embed tree structures without distortion owing to their exponential volume growth, have recently been applied to machine learning to better capture the hierarchical nature of data. In this…

Machine Learning · Computer Science 2021-03-18 Ryohei Shimizu , Yusuke Mukuta , Tatsuya Harada

We propose a neural network-based approach to automatically learn and classify natural language questions into its corresponding template using recursive neural networks. An obvious advantage of using neural networks is the elimination of…

Computation and Language · Computer Science 2020-06-11 Ram G Athreya , Srividya Bansal , Axel-Cyrille Ngonga Ngomo , Ricardo Usbeck

Answering complex queries on incomplete knowledge graphs is a challenging task where a model needs to answer complex logical queries in the presence of missing knowledge. Prior work in the literature has proposed to address this problem by…

Machine Learning · Computer Science 2023-07-12 Erik Arakelyan , Pasquale Minervini , Daniel Daza , Michael Cochez , Isabelle Augenstein

In comparison to classical shallow representation learning techniques, deep neural networks have achieved superior performance in nearly every application benchmark. But despite their clear empirical advantages, it is still not well…

Machine Learning · Computer Science 2022-01-11 Calvin Murdock , George Cazenavette , Simon Lucey

Question Answering (QA) is one of the most important natural language processing (NLP) tasks. It aims using NLP technologies to generate a corresponding answer to a given question based on the massive unstructured corpus. With the…

Computation and Language · Computer Science 2022-07-01 Zhen Wang

Question paraphrase identification is a key task in Community Question Answering (CQA) to determine if an incoming question has been previously asked. Many current models use word embeddings to identify duplicate questions, but the use of…

Computation and Language · Computer Science 2020-07-23 Nicole Peinelt , Dong Nguyen , Maria Liakata

Hierarchical data arise in countless domains, from biological taxonomies and organizational charts to legal codes and knowledge graphs. Residual Quantization (RQ) is widely used to generate discrete, multitoken representations for such data…

Machine Learning · Computer Science 2025-05-20 Piotr Piękos , Subhradeep Kayal , Alexandros Karatzoglou

Large Language Models (LLMs) have achieved impressive progress in natural language processing, but their limited ability to retain long-term context constrains performance on document-level or multi-turn tasks. Retrieval-Augmented…

Computation and Language · Computer Science 2025-05-20 Zhangyu Wang , Siyuan Gao , Rong Zhou , Hao Wang , Li Ning

Evaluating large language models (LLMs) on question answering often relies on static benchmarks that reward memorization and understate the role of retrieval, failing to capture the dynamic nature of world knowledge. We present…

Computation and Language · Computer Science 2025-11-07 Heng Zhou , Ao Yu , Yuchen Fan , Jianing Shi , Li Kang , Hejia Geng , Yongting Zhang , Yutao Fan , Yuhao Wu , Tiancheng He , Yiran Qin , Lei Bai , Zhenfei Yin

Ranking models play a crucial role in enhancing overall accuracy of text retrieval systems. These multi-stage systems typically utilize either dense embedding models or sparse lexical indices to retrieve relevant passages based on a given…

Information Retrieval · Computer Science 2024-09-13 Gabriel de Souza P. Moreira , Ronay Ak , Benedikt Schifferer , Mengyao Xu , Radek Osmulski , Even Oldridge

Character-based neural models have recently proven very useful for many NLP tasks. However, there is a gap of sophistication between methods for learning representations of sentences and words. While most character models for learning…

Computation and Language · Computer Science 2018-10-31 Yingwei Xin , Ethan Hart , Vibhuti Mahajan , Jean-David Ruvini

Over the past few years, question answering and information retrieval systems have become widely used. These systems attempt to find the answer of the asked questions from raw text sources. A component of these systems is Answer Selection…

Computation and Language · Computer Science 2019-11-13 Jamshid Mozafari , Mohammad Ali Nematbakhsh , Afsaneh Fatemi

Recently, strong results have been demonstrated by Deep Recurrent Neural Networks on natural language transduction problems. In this paper we explore the representational power of these models using synthetic grammars designed to exhibit…

Neural and Evolutionary Computing · Computer Science 2015-11-04 Edward Grefenstette , Karl Moritz Hermann , Mustafa Suleyman , Phil Blunsom

Information needs are naturally represented as questions. Automatic Natural-Language Question Answering (NLQA) has only recently become a practical task on a larger scale and without domain constraints. This paper gives a brief introduction…

Computation and Language · Computer Science 2007-05-23 Jochen L. Leidner

Neural Architecture Search is a costly practice. The fact that a search space can span a vast number of design choices with each architecture evaluation taking nontrivial overhead makes it hard for an algorithm to sufficiently explore…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Keith G. Mills , Fred X. Han , Mohammad Salameh , Shengyao Lu , Chunhua Zhou , Jiao He , Fengyu Sun , Di Niu

Question answering (QA) systems for large document collections typically use pipelines that (i) retrieve possibly relevant documents, (ii) re-rank them, (iii) rank paragraphs or other snippets of the top-ranked documents, and (iv) select…

Information Retrieval · Computer Science 2021-06-17 Dimitris Pappas , Ion Androutsopoulos