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The underlying structure of natural language is hierarchical; words combine into phrases, which in turn form clauses. An awareness of this hierarchical structure can aid machine learning models in performing many linguistic tasks. However,…

机器学习 · 计算机科学 2020-04-01 Ashok Thillaisundaram

Weakly supervised text classification methods typically train a deep neural classifier based on pseudo-labels. The quality of pseudo-labels is crucial to final performance but they are inevitably noisy due to their heuristic nature, so…

计算与语言 · 计算机科学 2022-10-26 Dheeraj Mekala , Chengyu Dong , Jingbo Shang

While many production-ready and robust algorithms are available for the task of recommendation systems, many of these systems do not take the order of user's consumption into account. The order of consumption can be very useful and matters…

信息检索 · 计算机科学 2022-05-03 Mehdi Soleiman Nejad , Meysam Varasteh , Hadi Moradi , Mohammad Amin Sadeghi

We address the problem of answering queries over a distributed information system, storing objects indexed by terms organized in a taxonomy. The taxonomy consists of subsumption relationships between negation-free DNF formulas on terms and…

分布式、并行与集群计算 · 计算机科学 2011-09-13 Carlo Meghini , Yannis Tzitzikas , Veronica Coltella , Anastasia Analyti

Taxonomy expansion is the process of incorporating a large number of additional nodes (i.e., "queries") into an existing taxonomy (i.e., "seed"), with the most important step being the selection of appropriate positions for each query.…

人工智能 · 计算机科学 2023-03-22 Songlin Zhai , Weiqing Wang , Yuanfang Li , Yuan Meng

Recommender systems based on latent factor models have been effectively used for understanding user interests and predicting future actions. Such models work by projecting the users and items into a smaller dimensional space, thereby…

数据库 · 计算机科学 2012-07-03 Bhargav Kanagal , Amr Ahmed , Sandeep Pandey , Vanja Josifovski , Jeff Yuan , Lluis Garcia-Pueyo

We present a first-order theorem proving framework for establishing the correctness of functional programs implementing sorting algorithms with recursive data structures. We formalize the semantics of recursive programs in many-sorted…

计算机科学中的逻辑 · 计算机科学 2024-03-07 Pamina Georgiou , Márton Hajdu , Laura Kovács

Humans perceive the world as a series of sequential events, which can be hierarchically organized with different levels of abstraction based on conceptual knowledge. Drawing inspiration from human learning behaviors, this work proposes a…

机器学习 · 计算机科学 2025-03-11 Quyen Tran , Hoang Phan , Minh Le , Tuan Truong , Dinh Phung , Linh Ngo , Thien Nguyen , Nhat Ho , Trung Le

In this paper, we show how distributionally-induced semantic classes can be helpful for extracting hypernyms. We present methods for inducing sense-aware semantic classes using distributional semantics and using these induced semantic…

计算与语言 · 计算机科学 2018-03-01 Alexander Panchenko , Dmitry Ustalov , Stefano Faralli , Simone P. Ponzetto , Chris Biemann

Sorted Table Search Procedures are the quintessential query-answering tool, with widespread usage that now includes also Web Applications, e.g, Search Engines (Google Chrome) and ad Bidding Systems (AppNexus). Speeding them up, at very…

机器学习 · 计算机科学 2020-07-31 Domenico Amato , Giosué Lo Bosco , Raffaele Giancarlo

Complex networks have been employed to model many real systems and as a modeling tool in a myriad of applications. In this paper, we use the framework of complex networks to the problem of supervised classification in the word…

物理与社会 · 物理学 2013-02-20 Thiago C. Silva , Diego R. Amancio

The last decade has seen a revolution in the theory and application of machine learning and pattern recognition. Through these advancements, variable ranking has emerged as an active and growing research area and it is now beginning to be…

计算机视觉与模式识别 · 计算机科学 2017-06-20 Giorgio Roffo

We propose a novel framework that leverages large language models (LLMs) to guide the rank selection in tensor network models for higher-order data analysis. By utilising the intrinsic reasoning capabilities and domain knowledge of LLMs,…

机器学习 · 计算机科学 2024-10-15 Giorgos Iacovides , Wuyang Zhou , Danilo Mandic

Table-to-text generation aims at automatically generating natural text to help people to conveniently obtain the important information in tables. Although neural models for table-to-text have achieved remarkable progress, some problems…

计算与语言 · 计算机科学 2021-03-31 Liang Li , Can Ma , Yinliang Yue , Linjun Shou , Dayong Hu

Current open-domain neural semantics parsers show impressive performance. However, closer inspection of the symbolic meaning representations they produce reveals significant weaknesses: sometimes they tend to merely copy character sequences…

计算与语言 · 计算机科学 2024-09-19 Xiao Zhang , Gosse Bouma , Johan Bos

With the increasing demand of intelligent systems capable of operating in different contexts (e.g. users on the move) the correct interpretation of the user-need by such systems has become crucial to give consistent answers to the user…

计算与语言 · 计算机科学 2023-12-18 Lorenzo Massai

We use automated theorem provers to significantly shorten a formal development in higher order set theory. The development includes many standard theorems such as the fundamental theorem of arithmetic and irrationality of square root of…

计算机科学中的逻辑 · 计算机科学 2025-09-11 Chad E. Brown , Cezary Kaliszyk , Martin Suda , Josef Urban

Clustering is a core task in machine learning with wide-ranging applications in data mining and pattern recognition. However, its unsupervised nature makes it inherently challenging. Many existing clustering algorithms suffer from critical…

机器学习 · 计算机科学 2025-07-29 Ahmed Shokry , Ayman Khalafallah

Machine learning (ML) is revolutionizing the world, affecting almost every field of science and industry. Recent algorithms (in particular, deep networks) are increasingly data-hungry, requiring large datasets for training. Thus, the…

机器学习 · 计算机科学 2022-11-16 Chen Shani , Jonathan Zarecki , Dafna Shahaf

The learning-to-rank problem aims at ranking items to maximize exposure of those most relevant to a user query. A desirable property of such ranking systems is to guarantee some notion of fairness among specified item groups. While fairness…

机器学习 · 计算机科学 2021-11-23 James Kotary , Ferdinando Fioretto , Pascal Van Hentenryck , Ziwei Zhu