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Referring expression comprehension aims to localize objects identified by natural language descriptions. This is a challenging task as it requires understanding of both visual and language domains. One nature is that each object can be…

计算机视觉与模式识别 · 计算机科学 2021-04-21 Yi-Wen Chen , Yi-Hsuan Tsai , Ming-Hsuan Yang

We present a novel method for jointly learning compositional and non-compositional phrase embeddings by adaptively weighting both types of embeddings using a compositionality scoring function. The scoring function is used to quantify the…

计算与语言 · 计算机科学 2016-06-09 Kazuma Hashimoto , Yoshimasa Tsuruoka

Modern deep neural networks for classification usually jointly learn a backbone for representation and a linear classifier to output the logit of each class. A recent study has shown a phenomenon called neural collapse that the within-class…

机器学习 · 计算机科学 2022-10-13 Yibo Yang , Shixiang Chen , Xiangtai Li , Liang Xie , Zhouchen Lin , Dacheng Tao

Knowledge is a network of interconnected concepts. Yet, precisely how the topological structure of knowledge constrains its acquisition remains unknown, hampering the development of learning enhancement strategies. Here we study the…

计算与语言 · 计算机科学 2021-03-17 Nicolas H. Christianson , Ann Sizemore Blevins , Danielle S. Bassett

We answer the question which conjunctive queries are uniquely characterized by polynomially many positive and negative examples, and how to construct such examples efficiently. As a consequence, we obtain a new efficient exact learning…

计算机科学中的逻辑 · 计算机科学 2022-08-25 Balder ten Cate , Victor Dalmau

Three classes of algorithms to learn the structure of Bayesian networks from data are common in the literature: constraint-based algorithms, which use conditional independence tests to learn the dependence structure of the data; score-based…

统计方法学 · 统计学 2021-02-10 Marco Scutari , Catharina Elisabeth Graafland , José Manuel Gutiérrez

Attributes of words and relations between two words are central to numerous tasks in Artificial Intelligence such as knowledge representation, similarity measurement, and analogy detection. Often when two words share one or more attributes…

计算与语言 · 计算机科学 2014-12-09 Danushka Bollegala , Takanori Maehara , Yuichi Yoshida , Ken-ichi Kawarabayashi

By extending the extreme learning machine by additional control inputs, we achieved almost complete reproduction of bifurcation structures of dynamical systems. The learning ability of the proposed neural network system is striking in that…

混沌动力学 · 物理学 2024-10-21 Satoru Tadokoro , Akihiro Yamaguchi , Takao Namiki , Ichiro Tsuda

Sentence embeddings encode natural language sentences as low-dimensional dense vectors. A great deal of effort has been put into using sentence embeddings to improve several important natural language processing tasks. Relation extraction…

计算与语言 · 计算机科学 2020-09-24 Alexander Kalinowski , Yuan An

Interpretable rationales for model predictions play a critical role in practical applications. In this study, we develop models possessing interpretable inference process for structured prediction. Specifically, we present a method of…

计算与语言 · 计算机科学 2020-05-01 Hiroki Ouchi , Jun Suzuki , Sosuke Kobayashi , Sho Yokoi , Tatsuki Kuribayashi , Ryuto Konno , Kentaro Inui

We extend the capabilities of neural networks by coupling them to external memory resources, which they can interact with by attentional processes. The combined system is analogous to a Turing Machine or Von Neumann architecture but is…

神经与进化计算 · 计算机科学 2014-12-11 Alex Graves , Greg Wayne , Ivo Danihelka

Unsupervised text embedding has shown great power in a wide range of NLP tasks. While text embeddings are typically learned in the Euclidean space, directional similarity is often more effective in tasks such as word similarity and document…

计算与语言 · 计算机科学 2019-11-05 Yu Meng , Jiaxin Huang , Guangyuan Wang , Chao Zhang , Honglei Zhuang , Lance Kaplan , Jiawei Han

In this paper we introduce the concept of L-algebras, which can be seen as a generalization of the structure determined by the Eilenberg-Mac lane transformation and Alexander-Whitney diagonal in chain complexes. In this sense, our main…

代数拓扑 · 数学 2022-11-29 Jesús Sánchez-Guevara

We study the Borel-reducibility of isomorphism relations of complete first order theories and show the consistency of the following: For all such theories T and T', if T is classifiable and T' is not, then the isomorphism of models of T' is…

逻辑 · 数学 2016-02-02 Tapani Hyttinen , Vadim Kulikov , Miguel Moreno

Analogy is core to human cognition. It allows us to solve problems based on prior experience, it governs the way we conceptualize new information, and it even influences our visual perception. The importance of analogy to humans has made it…

人工智能 · 计算机科学 2020-12-16 Maxwell Crouse , Constantine Nakos , Ibrahim Abdelaziz , Kenneth Forbus

A supervised learning algorithm has access to a distribution of labeled examples, and needs to return a function (hypothesis) that correctly labels the examples. The hypothesis of the learner is taken from some fixed class of functions…

机器学习 · 计算机科学 2020-08-25 Eran Malach , Shai Shalev-Shwartz

Combining abstract, symbolic reasoning with continuous neural reasoning is a grand challenge of representation learning. As a step in this direction, we propose a new architecture, called neural equivalence networks, for the problem of…

机器学习 · 计算机科学 2017-06-13 Miltiadis Allamanis , Pankajan Chanthirasegaran , Pushmeet Kohli , Charles Sutton

The structure of knowledge is commonly described as a network of key concepts and semantic relations between them. A learner of a particular domain can discover this network by navigating the nodes and edges presented by instructional…

Automatic structures are finitely presented structures where the universe and all relations can be recognized by finite automata. It is known that the isomorphism problem for automatic structures is complete for $\Sigma^1_1$; the first…

计算机科学中的逻辑 · 计算机科学 2010-01-14 Dietrich Kuske , Jiamou Liu , Markus Lohrey

An \'etale structure over a topological space $X$ is a continuous family of structures (in some first-order language) indexed over $X$. We give an exposition of this fundamental concept from sheaf theory and its relevance to countable model…

逻辑 · 数学 2023-10-19 Ruiyuan Chen