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Large-scale models trained on broad data have recently become the mainstream architecture in computer vision due to their strong generalization performance. In this paper, the main focus is on an emergent ability in large vision models,…

计算机视觉与模式识别 · 计算机科学 2023-02-02 Yuanhan Zhang , Kaiyang Zhou , Ziwei Liu

A novel sentence embedding method built upon semantic subspace analysis, called semantic subspace sentence embedding (S3E), is proposed in this work. Given the fact that word embeddings can capture semantic relationship while semantically…

计算与语言 · 计算机科学 2020-03-05 Bin Wang , Fenxiao Chen , Yuncheng Wang , C. -C. Jay Kuo

Many use cases require retrieving smaller portions of text, and dense vector-based retrieval systems often perform better with shorter text segments, as the semantics are less likely to be over-compressed in the embeddings. Consequently,…

计算与语言 · 计算机科学 2025-07-08 Michael Günther , Isabelle Mohr , Daniel James Williams , Bo Wang , Han Xiao

The wayward quality of continuous prompts stresses the importance of their interpretability as unexpected and unpredictable behaviors appear following training, especially in the context of large language models automating people-sensitive…

计算与语言 · 计算机科学 2024-02-15 Pascal Passigan , Kidus Yohannes , Joshua Pereira

We propose a new kind of embedding for natural language text that deeply represents semantic meaning. Standard text embeddings use the outputs from hidden layers of a pretrained language model. In our method, we let a language model learn…

计算与语言 · 计算机科学 2022-11-22 Oleg Vasilyev , John Bohannon

We propose a novel generative model to explore both local and global context for joint learning topics and topic-specific word embeddings. In particular, we assume that global latent topics are shared across documents, a word is generated…

计算与语言 · 计算机科学 2020-08-12 Lixing Zhu , Yulan He , Deyu Zhou

Word embeddings are a powerful approach for capturing semantic similarity among terms in a vocabulary. In this paper, we develop exponential family embeddings, a class of methods that extends the idea of word embeddings to other types of…

机器学习 · 统计学 2016-11-22 Maja R. Rudolph , Francisco J. R. Ruiz , Stephan Mandt , David M. Blei

Word embeddings learnt from large corpora have been adopted in various applications in natural language processing and served as the general input representations to learning systems. Recently, a series of post-processing methods have been…

机器学习 · 计算机科学 2019-10-25 Shuai Tang , Mahta Mousavi , Virginia R. de Sa

While deep-learning models have been shown to perform well on image-to-text datasets, it is difficult to use them in practice for captioning images. This is because captions traditionally tend to be context-dependent and offer complementary…

机器学习 · 计算机科学 2023-06-07 Shinjini Ghosh , Sagnik Anupam

We propose a principle for exploring context in machine learning models. Starting with a simple assumption that each observation may or may not depend on its context, a conditional probability distribution is decomposed into two parts:…

机器学习 · 计算机科学 2019-01-23 Yun Zeng

Multi-modal word semantics aims to enhance embeddings with perceptual input, assuming that human meaning representation is grounded in sensory experience. Most research focuses on evaluation involving direct visual input, however, visual…

计算与语言 · 计算机科学 2021-10-07 Anita L. Verő , Ann Copestake

Going beyond mere fine-tuning of vision-language models (VLMs), learnable prompt tuning has emerged as a promising, resource-efficient alternative. Despite their potential, effectively learning prompts faces the following challenges: (i)…

计算机视觉与模式识别 · 计算机科学 2024-06-21 Hari Chandana Kuchibhotla , Sai Srinivas Kancheti , Abbavaram Gowtham Reddy , Vineeth N Balasubramanian

Text embeddings are essential for many tasks, such as document retrieval, clustering, and semantic similarity assessment. In this paper, we study how to contrastively train text embedding models in a compute-optimal fashion, given a suite…

机器学习 · 计算机科学 2024-11-22 Alicja Ziarko , Albert Q. Jiang , Bartosz Piotrowski , Wenda Li , Mateja Jamnik , Piotr Miłoś

We study how large language models (LLMs) reason about memorized knowledge through simple binary relations such as equality ($=$), inequality ($<$), and inclusion ($\subset$). Unlike in-context reasoning, the axioms (e.g., $a < b, b < c$)…

机器学习 · 计算机科学 2025-09-18 Jonathan Shaki , Emanuele La Malfa , Michael Wooldridge , Sarit Kraus

Sentence embedding refers to a set of effective and versatile techniques for converting raw text into numerical vector representations that can be used in a wide range of natural language processing (NLP) applications. The majority of these…

计算与语言 · 计算机科学 2021-09-08 Lele Cao , Emil Larsson , Vilhelm von Ehrenheim , Dhiana Deva Cavalcanti Rocha , Anna Martin , Sonja Horn

Word embeddings represent a transformative technology for analyzing text data in social work research, offering sophisticated tools for understanding case notes, policy documents, research literature, and other text-based materials. This…

计算与语言 · 计算机科学 2024-11-12 Brian E. Perron , Kelley A. Rivenburgh , Bryan G. Victor , Zia Qi , Hui Luan

Word embeddings are a powerful approach for analyzing language and have been widely popular in numerous tasks in information retrieval and text mining. Training embeddings over huge corpora is computationally expensive because the input is…

机器学习 · 计算机科学 2018-12-11 Avishek Anand , Megha Khosla , Jaspreet Singh , Jan-Hendrik Zab , Zijian Zhang

Analyzing the pattern of semantic variation in long real-world texts such as books or transcripts is interesting from the stylistic, cognitive, and linguistic perspectives. It is also useful for applications such as text segmentation,…

计算与语言 · 计算机科学 2023-08-10 Deven M. Mistry , Ali A. Minai

Pre-trained transformer models shine in many natural language processing tasks and therefore are expected to bear the representation of the input sentence or text meaning. These sentence-level embeddings are also important in…

计算与语言 · 计算机科学 2025-02-21 Lukas Stankevičius , Mantas Lukoševičius

Probabilistic embeddings have proven useful for capturing polysemous word meanings, as well as ambiguity in image matching. In this paper, we study the advantages of probabilistic embeddings in a cross-modal setting (i.e., text and images),…

机器学习 · 计算机科学 2022-04-21 Leila Pishdad , Ran Zhang , Konstantinos G. Derpanis , Allan Jepson , Afsaneh Fazly