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Big Data concern large-volume, growing data sets that are complex and have multiple autonomous sources. Earlier technologies were not able to handle storage and processing of huge data thus Big Data concept comes into existence. This is a…

机器学习 · 计算机科学 2015-03-26 Praful Koturwar , Sheetal Girase , Debajyoti Mukhopadhyay

Hierarchical text classification (HTC) depends on taxonomies that organize labels into structured hierarchies. However, many real-world taxonomies introduce ambiguities, such as identical leaf names under similar parent nodes, which prevent…

计算与语言 · 计算机科学 2026-01-27 Jonas Golde , Nicolaas Jedema , Ravi Krishnan , Phong Le

In this thesis, we develop various techniques for working with sets in machine learning. Each input or output is not an image or a sequence, but a set: an unordered collection of multiple objects, each object described by a feature vector.…

机器学习 · 计算机科学 2021-03-09 Yan Zhang

It is known that annotating named entities in unstructured and semi-structured data sets by their concepts improves the effectiveness of answering queries over these data sets. As every enterprise has a limited budget of time or…

数据库 · 计算机科学 2018-01-09 Ali Vakilian , Yodsawalai Chodpathumwan , Arash Termehchy , Amir Nayyeri

We present a system for bottom-up cumulative learning of myriad concepts corresponding to meaningful character strings, and their part-related and prediction edges. The learning is self-supervised in that the concepts discovered are used as…

机器学习 · 计算机科学 2021-12-20 Omid Madani

Knowledge mining is the process of deriving new and useful knowledge from vast volumes of data and background knowledge. Modern healthcare organizations regularly generate huge amount of electronic data stored in the databases. These data…

计算机科学中的逻辑 · 计算机科学 2011-07-26 Nittaya Kerdprasop , Kittisak Kerdprasop

A new method for the unsupervised learning of sparse representations using autoencoders is proposed and implemented by ordering the output of the hidden units by their activation value and progressively reconstructing the input in this…

机器学习 · 计算机科学 2016-05-09 Paul Bertens

Search algorithms are often categorized by their node expansion strategy. One option is the depth-first strategy, a simple backtracking strategy that traverses the search space in the order in which successor nodes are generated. An…

人工智能 · 计算机科学 2024-03-21 Aske Plaat

Sequences have become first class citizens in supervised learning thanks to the resurgence of recurrent neural networks. Many complex tasks that require mapping from or to a sequence of observations can now be formulated with the…

机器学习 · 统计学 2016-02-25 Oriol Vinyals , Samy Bengio , Manjunath Kudlur

Various decision support systems are available that implement Data Mining and Data Warehousing techniques for diving into the sea of data for getting useful patterns of knowledge (pearls). Classification, regression, clustering, and many…

密码学与安全 · 计算机科学 2024-03-01 Mohammad Khalid Imam Rahmani

As text processing systems expand in scope, they will require ever larger lexicons along with a parsing capability for discriminating among many senses of a word. Existing systems do not incorporate such subtleties in meaning for their…

计算与语言 · 计算机科学 2007-05-23 K. Litkowski

Training semantic segmentation models on multiple datasets has sparked a lot of recent interest in the computer vision community. This interest has been motivated by expensive annotations and a desire to achieve proficiency across multiple…

计算机视觉与模式识别 · 计算机科学 2022-10-27 Petra Bevandić , Siniša Šegvić

Recent approaches to text analysis from social media and other corpora rely on word lists to detect topics, measure meaning, or to select relevant documents. These lists are often generated by applying computational lexicon expansion…

计算与语言 · 计算机科学 2023-03-14 Anna Di Natale , David Garcia

Topic taxonomies display hierarchical topic structures of a text corpus and provide topical knowledge to enhance various NLP applications. To dynamically incorporate new topic information, several recent studies have tried to expand (or…

计算与语言 · 计算机科学 2022-11-04 Dongha Lee , Jiaming Shen , Seonghyeon Lee , Susik Yoon , Hwanjo Yu , Jiawei Han

Commonsense reasoning has long been considered as one of the holy grails of artificial intelligence. Most of the recent progress in the field has been achieved by novel machine learning algorithms for natural language processing. However,…

人工智能 · 计算机科学 2020-03-31 Tanel Tammet

Learning from the multidimensional data has been an interesting concept in the field of machine learning. However, such learning can be difficult, complex, expensive because of expensive data processing, manipulations as the number of…

机器学习 · 计算机科学 2020-12-04 Mahbubur Rahman

Text classification has long been a staple within Natural Language Processing (NLP) with applications spanning across diverse areas such as sentiment analysis, recommender systems and spam detection. With such a powerful solution, it is…

计算与语言 · 计算机科学 2021-12-06 Amir Atapour-Abarghouei , Stephen Bonner , Andrew Stephen McGough

We introduce the use of Poincar\'e embeddings to improve existing state-of-the-art approaches to domain-specific taxonomy induction from text as a signal for both relocating wrong hyponym terms within a (pre-induced) taxonomy as well as for…

计算与语言 · 计算机科学 2019-06-06 Rami Aly , Shantanu Acharya , Alexander Ossa , Arne Köhn , Chris Biemann , Alexander Panchenko

This survey paper provides a comprehensive analysis of big data algorithms in recommendation systems, addressing the lack of depth and precision in existing literature. It proposes a two-pronged approach: a thorough analysis of current…

信息检索 · 计算机科学 2024-02-07 Kamal Taha , Paul D. Yoo , Aya Taha

Recent work has proven that training large language models with self-supervised tasks and fine-tuning these models to complete new tasks in a transfer learning setting is a powerful idea, enabling the creation of models with many…

机器学习 · 计算机科学 2024-11-25 Matthew Spellings , Maya Martirossyan , Julia Dshemuchadse