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相关论文: Item2Vec: Neural Item Embedding for Collaborative …

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In recent years, neural networks and other complex models have dominated recommender systems, often setting new benchmarks for state-of-the-art performance. Yet, despite these advancements, award-winning research has demonstrated that…

信息检索 · 计算机科学 2026-04-20 Pedro R. Pires , Rafael T. Sereicikas , Gregorio F. Azevedo , Tiago A. Almeida

Collaborative filtering (CF) is the key technique for recommender systems. Pure CF approaches exploit the user-item interaction data (e.g., clicks, likes, and views) only and suffer from the sparsity issue. Items are usually associated with…

信息检索 · 计算机科学 2020-10-19 Guangneng Hu , Yu Zhang , Qiang Yang

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

Algorithm selection using Metalearning aims to find mappings between problem characteristics (i.e. metafeatures) with relative algorithm performance to predict the best algorithm(s) for new datasets. Therefore, it is of the utmost…

信息检索 · 计算机科学 2018-09-18 Tiago Cunha , Carlos Soares , André C. P. L. F. de Carvalho

PSDVec is a Python/Perl toolbox that learns word embeddings, i.e. the mapping of words in a natural language to continuous vectors which encode the semantic/syntactic regularities between the words. PSDVec implements a word embedding…

计算与语言 · 计算机科学 2016-07-05 Shaohua Li , Jun Zhu , Chunyan Miao

Word embedding algorithms produce very reliable feature representations of words that are used by neural network models across a constantly growing multitude of NLP tasks. As such, it is imperative for NLP practitioners to understand how…

计算与语言 · 计算机科学 2019-11-11 Kian Kenyon-Dean

Collaborative filtering (CF) is one of the most successful and fundamental techniques in recommendation systems. In recent years, Graph Neural Network (GNN)-based CF models, such as NGCF [31], LightGCN [10] and GTN [9] have achieved…

信息检索 · 计算机科学 2022-03-30 Hao-Ming Fu , Patrick Poirson , Kwot Sin Lee , Chen Wang

Although contextualized embeddings generated from large-scale pre-trained models perform well in many tasks, traditional static embeddings (e.g., Skip-gram, Word2Vec) still play an important role in low-resource and lightweight settings due…

计算与语言 · 计算机科学 2023-03-24 Jiangbin Zheng , Yile Wang , Ge Wang , Jun Xia , Yufei Huang , Guojiang Zhao , Yue Zhang , Stan Z. Li

Word2Vec is a prominent model for natural language processing (NLP) tasks. Similar inspiration is found in distributed embeddings for new state-of-the-art (SotA) deep neural networks. However, wrong combination of hyper-parameters can…

计算与语言 · 计算机科学 2021-04-20 Tosin P. Adewumi , Foteini Liwicki , Marcus Liwicki

Distributed representations of words have shown to be useful to improve the effectiveness of IR systems in many sub-tasks like query expansion, retrieval and ranking. Algorithms like word2vec, GloVe and others are also key factors in many…

信息检索 · 计算机科学 2019-09-05 Tommaso Teofili , Niyati Chhaya

Word embedding, which encodes words into vectors, is an important starting point in natural language processing and commonly used in many text-based machine learning tasks. However, in most current word embedding approaches, the similarity…

计算与语言 · 计算机科学 2018-12-27 Denis Sedov , Zhirong Yang

In the area of ad-targeting, predicting user responses is essential for many applications such as Real-Time Bidding (RTB). Many of the features available in this domain are sparse categorical features. This presents a challenge especially…

信息检索 · 计算机科学 2017-05-19 Enno Shioji , Masayuki Arai

Introducing consumed items as users' implicit feedback in matrix factorization (MF) method, SVD++ is one of the most effective collaborative filtering methods for personalized recommender systems. Though powerful, SVD++ has two limitations:…

信息检索 · 计算机科学 2018-03-12 Minzhe Niu , Weinan Zhang , Yanru Qu , Xuezhi Cao , Ruiming Tang , Xiuqiang He , Yong Yu

Recent work has demonstrated that embeddings of tree-like graphs in hyperbolic space surpass their Euclidean counterparts in performance by a large margin. Inspired by these results and scale-free structure in the word co-occurrence graph,…

计算与语言 · 计算机科学 2019-05-28 Matthias Leimeister , Benjamin J. Wilson

We present path2vec, a new approach for learning graph embeddings that relies on structural measures of pairwise node similarities. The model learns representations for nodes in a dense space that approximate a given user-defined graph…

计算与语言 · 计算机科学 2019-04-15 Andrey Kutuzov , Mohammad Dorgham , Oleksiy Oliynyk , Chris Biemann , Alexander Panchenko

Recently, word embedding algorithms have been applied to map the entities of recommender systems, such as users and items, to new feature spaces using textual element-context relations among them. Unlike many other domains, this approach…

信息检索 · 计算机科学 2018-11-06 Arash Khoeini , Bita Shams , Saman Haratizadeh

Word embedding models such as Skip-gram learn a vector-space representation for each word, based on the local word collocation patterns that are observed in a text corpus. Latent topic models, on the other hand, take a more global view,…

计算与语言 · 计算机科学 2017-06-23 Bei Shi , Wai Lam , Shoaib Jameel , Steven Schockaert , Kwun Ping Lai

Contextualised word embeddings generated from Neural Language Models (NLMs), such as BERT, represent a word with a vector that considers the semantics of the target word as well its context. On the other hand, static word embeddings such as…

计算与语言 · 计算机科学 2021-10-07 Yi Zhou , Danushka Bollegala

Word embeddings have made enormous inroads in recent years in a wide variety of text mining applications. In this paper, we explore a word embedding-based architecture for predicting the relevance of a role between two financial entities…

计算与语言 · 计算机科学 2017-04-20 Mayank Kejriwal

Learning a good representation of text is key to many recommendation applications. Examples include news recommendation where texts to be recommended are constantly published everyday. However, most existing recommendation techniques, such…

信息检索 · 计算机科学 2017-06-27 Ting Chen , Liangjie Hong , Yue Shi , Yizhou Sun