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Finetuning large language models on narrowly harmful datasets can cause them to become emergently misaligned, giving stereotypically `evil' responses across diverse unrelated settings. Concerningly, a pre-registered survey of experts failed…

人工智能 · 计算机科学 2026-02-10 Anna Soligo , Edward Turner , Senthooran Rajamanoharan , Neel Nanda

Machine learning algorithms have revolutionized different fields, including natural language processing, computer vision, signal processing, and medical data processing. Despite the excellent capabilities of machine learning algorithms in…

图像与视频处理 · 电气工程与系统科学 2022-12-07 Gita Sarafraz , Armin Behnamnia , Mehran Hosseinzadeh , Ali Balapour , Amin Meghrazi , Hamid R. Rabiee

Word evolution refers to the changing meanings and associations of words throughout time, as a byproduct of human language evolution. By studying word evolution, we can infer social trends and language constructs over different periods of…

计算与语言 · 计算机科学 2018-02-14 Zijun Yao , Yifan Sun , Weicong Ding , Nikhil Rao , Hui Xiong

In this paper, we invest the domain transfer learning problem with multi-instance data. We assume we already have a well-trained multi-instance dictionary and its corresponding classifier from the source domain, which can be used to…

计算机视觉与模式识别 · 计算机科学 2016-05-27 Ke Wang , Jiayong Liu , Daniel González

Language exhibits structure at different scales, ranging from subwords to words, sentences, paragraphs, and documents. To what extent do deep models capture information at these scales, and can we force them to better capture structure…

计算与语言 · 计算机科学 2020-11-11 Alex Tamkin , Dan Jurafsky , Noah Goodman

Imaging in clinical routine is subject to changing scanner protocols, hardware, or policies in a typically heterogeneous set of acquisition hardware. Accuracy and reliability of deep learning models suffer from those changes as data and…

机器学习 · 计算机科学 2021-06-08 Matthias Perkonigg , Johannes Hofmanninger , Georg Langs

Cross-lingual word embeddings are becoming increasingly important in multilingual NLP. Recently, it has been shown that these embeddings can be effectively learned by aligning two disjoint monolingual vector spaces through linear…

计算与语言 · 计算机科学 2018-08-28 Yerai Doval , Jose Camacho-Collados , Luis Espinosa-Anke , Steven Schockaert

Comprehensive semantic segmentation is one of the key components for robust scene understanding and a requirement to enable autonomous driving. Driven by large scale datasets, convolutional neural networks show impressive results on this…

计算机视觉与模式识别 · 计算机科学 2019-08-30 Jan-Nico Zaech , Dengxin Dai , Martin Hahner , Luc Van Gool

The representation of atomic configurations for machine learning models has led to the development of numerous descriptors, often to describe the local environment of atoms. However, many of these representations are incomplete and/or…

化学物理 · 物理学 2025-04-04 Alice E. A. Allen , Emily Shinkle , Roxana Bujack , Nicholas Lubbers

In real-world scenarios, many data processing problems often involve heterogeneous images associated with different imaging modalities. Since these multimodal images originate from the same phenomenon, it is realistic to assume that they…

计算机视觉与模式识别 · 计算机科学 2021-03-11 Pingfan Song , Miguel R. D. Rodrigues

Cross-language learning allows us to use training data from one language to build models for a different language. Many approaches to bilingual learning require that we have word-level alignment of sentences from parallel corpora. In this…

Audio events are quite often overlapping in nature, and more prone to noise than visual signals. There has been increasing evidence for the superior performance of representations learned using sparse dictionaries for applications like…

机器学习 · 计算机科学 2017-12-05 Vaisakh Shaj , Puranjoy Bhattacharya

Multiple instance (MI) learning with a convolutional neural network enables end-to-end training in the presence of weak image-level labels. We propose a new method for aggregating predictions from smaller regions of the image into an…

计算机视觉与模式识别 · 计算机科学 2018-06-14 Heather D. Couture , J. S. Marron , Charles M. Perou , Melissa A. Troester , Marc Niethammer

Word embedding models offer continuous vector representations that can capture rich contextual semantics based on their word co-occurrence patterns. While these word vectors can provide very effective features used in many NLP tasks such as…

计算与语言 · 计算机科学 2017-02-27 Cem Safak Sahin , Rajmonda S. Caceres , Brandon Oselio , William M. Campbell

Despite the fact that different objects possess distinct class-specific features, they also usually share common patterns. Inspired by this observation, we propose a novel method to explicitly and simultaneously learn a set of common…

计算机视觉与模式识别 · 计算机科学 2016-05-19 Tiep H. Vu , Vishal Monga

Few-shot learning is a fundamental and challenging problem since it requires recognizing novel categories from only a few examples. The objects for recognition have multiple variants and can locate anywhere in images. Directly comparing…

计算机视觉与模式识别 · 计算机科学 2022-01-10 Congqi Cao , Yanning Zhang

Learned image compression methods have attracted great research interest and exhibited superior rate-distortion performance to the best classical image compression standards of the present. The entropy model plays a key role in learned…

计算机视觉与模式识别 · 计算机科学 2025-05-16 Jingbo Lu , Leheng Zhang , Xingyu Zhou , Mu Li , Wen Li , Shuhang Gu

Previous studies have shown that linguistic features of a word such as possession, genitive or other grammatical cases can be employed in word representations of a named entity recognition (NER) tagger to improve the performance for…

计算与语言 · 计算机科学 2019-11-12 Onur Güngör , Suzan Üsküdarlı , Tunga Güngör

Many machine learning tasks require finding per-part correspondences between objects. In this work we focus on low-level correspondences - a highly ambiguous matching problem. We propose to use a hierarchical semantic representation of the…

计算机视觉与模式识别 · 计算机科学 2017-11-07 Nikolay Savinov , Lubor Ladicky , Marc Pollefeys

An explanation for the acquisition of word-object mappings is the associative learning in a cross-situational scenario. Here we present analytical results of the performance of a simple associative learning algorithm for acquiring a…

神经元与认知 · 定量生物学 2012-12-18 Paulo F. C. Tilles , Jose F. Fontanari