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Data similarity is a key concept in many data-driven applications. Many algorithms are sensitive to similarity measures. To tackle this fundamental problem, automatically learning of similarity information from data via self-expression has…

机器学习 · 计算机科学 2019-03-12 Zhao Kang , Yiwei Lu , Yuanzhang Su , Changsheng Li , Zenglin Xu

Assessing the degree of semantic relatedness between words is an important task with a variety of semantic applications, such as ontology learning for the Semantic Web, semantic search or query expansion. To accomplish this in an automated…

计算与语言 · 计算机科学 2017-05-25 Thomas Niebler , Martin Becker , Christian Pölitz , Andreas Hotho

We map categorical variables in a function approximation problem into Euclidean spaces, which are the entity embeddings of the categorical variables. The mapping is learned by a neural network during the standard supervised training…

机器学习 · 计算机科学 2016-04-25 Cheng Guo , Felix Berkhahn

Measuring similarity between training examples is critical for curating high-quality and diverse pretraining datasets for language models. However, similarity is typically computed with a generic off-the-shelf embedding model that has been…

机器学习 · 计算机科学 2025-10-22 Dylan Sam , Ayan Chakrabarti , Afshin Rostamizadeh , Srikumar Ramalingam , Gui Citovsky , Sanjiv Kumar

Neural language models learn word representations, or embeddings, that capture rich linguistic and conceptual information. Here we investigate the embeddings learned by neural machine translation models, a recently-developed class of neural…

计算与语言 · 计算机科学 2015-04-06 Felix Hill , Kyunghyun Cho , Sebastien Jean , Coline Devin , Yoshua Bengio

Learning the embedding space, where semantically similar objects are located close together and dissimilar objects far apart, is a cornerstone of many computer vision applications. Existing approaches usually learn a single metric in the…

计算机视觉与模式识别 · 计算机科学 2019-06-17 Artsiom Sanakoyeu , Vadim Tschernezki , Uta Büchler , Björn Ommer

Traditional network embedding primarily focuses on learning a continuous vector representation for each node, preserving network structure and/or node content information, such that off-the-shelf machine learning algorithms can be easily…

社会与信息网络 · 计算机科学 2023-01-02 Daokun Zhang , Jie Yin , Xingquan Zhu , Chengqi Zhang

Classifying large-scale image data into object categories is an important problem that has received increasing research attention. Given the huge amount of data, non-parametric approaches such as nearest neighbor classifiers have shown…

计算机视觉与模式识别 · 计算机科学 2014-04-28 Zhaowen Wang , Jianchao Yang , Zhe Lin , Jonathan Brandt , Shiyu Chang , Thomas Huang

Performance optimization is an increasingly challenging but often repetitive task. While each platform has its quirks, the underlying code transformations rely on data movement and computational characteristics that recur across…

软件工程 · 计算机科学 2023-03-16 Lukas Trümper , Tal Ben-Nun , Philipp Schaad , Alexandru Calotoiu , Torsten Hoefler

The binary similarity problem consists in determining if two functions are similar by only considering their compiled form. Advanced techniques for binary similarity recently gained momentum as they can be applied in several fields, such as…

密码学与安全 · 计算机科学 2019-12-20 Luca Massarelli , Giuseppe Antonio Di Luna , Fabio Petroni , Leonardo Querzoni , Roberto Baldoni

Growing amounts of online user data motivate the need for automated processing techniques. In case of user ratings, one interesting option is to use neural networks for learning to predict ratings given an item and a user. While training…

机器学习 · 计算机科学 2019-01-09 Philipp Blandfort , Tushar Karayil , Federico Raue , Jörn Hees , Andreas Dengel

Modeling place functions from a computational perspective is a prevalent research topic. Trajectory embedding, as a neural-network-backed dimension reduction technology, allows the possibility to put places with similar social functions at…

人工智能 · 计算机科学 2020-12-15 Cheng Fu , Robert Weibel

Text embeddings are numerical representations of text data, where words, phrases, or entire documents are converted into vectors of real numbers. These embeddings capture semantic meanings and relationships between text elements in a…

信息检索 · 计算机科学 2025-01-20 Fusheng Wei , Robert Neary , Han Qin , Qiang Mao , Jianping Zhang

Deep neural networks have frequently been used to directly learn representations useful for a given task from raw input data. In terms of overall performance metrics, machine learning solutions employing deep representations frequently have…

机器学习 · 计算机科学 2019-10-21 Jaehun Kim , Julián Urbano , Cynthia C. S. Liem , Alan Hanjalic

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

Search query variation poses a challenge in e-commerce search, as equivalent search intents can be expressed through different queries with surface-level differences. This paper introduces a framework to recognize and leverage query…

信息检索 · 计算机科学 2023-08-09 Aritra Mandal , Daniel Tunkelang , Zhe Wu

The computation of distance measures between nodes in graphs is inefficient and does not scale to large graphs. We explore dense vector representations as an effective way to approximate the same information: we introduce a simple yet…

计算与语言 · 计算机科学 2019-06-18 Andrey Kutuzov , Mohammad Dorgham , Oleksiy Oliynyk , Chris Biemann , Alexander Panchenko

A large number of embeddings trained on medical data have emerged, but it remains unclear how well they represent medical terminology, in particular whether the close relationship of semantically similar medical terms is encoded in these…

计算与语言 · 计算机科学 2020-03-26 Claudia Schulz , Damir Juric

Learning a high-dimensional dense representation for vocabulary terms, also known as a word embedding, has recently attracted much attention in natural language processing and information retrieval tasks. The embedding vectors are typically…

信息检索 · 计算机科学 2017-07-18 Hamed Zamani , W. Bruce Croft

Entity matching is the problem of identifying which records refer to the same real-world entity. It has been actively researched for decades, and a variety of different approaches have been developed. Even today, it remains a challenging…

数据库 · 计算机科学 2021-06-02 Nils Barlaug , Jon Atle Gulla