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Applications in domains ranging from bioinformatics to advertising feature strings that come with numerical scores (utilities). The utilities quantify the importance, interest, profit, or risk of the letters occurring at every position of a…

Data Structures and Algorithms · Computer Science 2025-04-09 Giulia Bernardini , Huiping Chen , Alessio Conte , Roberto Grossi , Veronica Guerrini , Grigorios Loukides , Nadia Pisanti , and Solon P. Pissis

The combined increase of energy demand and environmental pollution at a global scale is entailing a rethinking of the production models in sustainable terms. As a consequence, energy suppliers are starting to adopt strategies that flatten…

Data Structures and Algorithms · Computer Science 2023-05-30 Roberto Ronco

In this paper, we aim to enhance the robustness of Universal Information Extraction (UIE) by introducing a new benchmark dataset, a comprehensive evaluation, and a feasible solution. Existing robust benchmark datasets have two key…

Computation and Language · Computer Science 2025-03-06 Jizhao Zhu , Akang Shi , Zixuan Li , Long Bai , Xiaolong Jin , Jiafeng Guo , Xueqi Cheng

Large Language Models (LLMs) have become indispensable across academia, industry, and daily applications, yet current evaluation methods struggle to keep pace with their rapid development. One core challenge of evaluation in the large…

Computation and Language · Computer Science 2025-05-27 Yixin Cao , Jiahao Ying , Yaoning Wang , Xipeng Qiu , Xuanjing Huang , Yugang Jiang

Top-k queries have been studied intensively in the database community and they are an important means to reduce query cost when only the "best" or "most interesting" results are needed instead of the full output. While some optimality…

Databases · Computer Science 2020-05-04 Nikolaos Tziavelis , Wolfgang Gatterbauer , Mirek Riedewald

Balanced and efficient information flow is essential for optimizing language generation models. In this work, we propose Entropy-UID, a new token selection method that balances entropy and Uniform Information Density (UID) principles for…

Computation and Language · Computer Science 2025-02-21 Xinpeng Shou

Biclustering is an unsupervised machine learning technique that simultaneously clusters rows and columns in a data matrix. Biclustering has emerged as an important approach and plays an essential role in various applications such as…

Machine Learning · Computer Science 2022-03-31 Adan Jose-Garcia , Julie Jacques , Vincent Sobanski , Clarisse Dhaenens

In binary-transaction data-mining, traditional frequent itemset mining often produces results which are not straightforward to interpret. To overcome this problem, probability models are often used to produce more compact and conclusive…

Machine Learning · Computer Science 2012-09-27 Ruefei He , Jonathan Shapiro

By Emerging huge databases and the need to efficient learning algorithms on these datasets, new problems have appeared and some methods have been proposed to solve these problems by selecting efficient features. Feature selection is a…

Computer Vision and Pattern Recognition · Computer Science 2016-01-21 Mitra Montazeri , Mahdieh Soleymani Baghshah , Aliakbar Niknafs

In this paper we present a novel hybrid (arraybased layout and vertical bitmap layout) database representation approach for mining complete Maximal Frequent Itemset (MFI) on sparse and large datasets. Our work is novel in terms of…

Databases · Computer Science 2016-11-17 Shariq Bashir , Abdul Rauf Baig

Complex systems are characterized by nonlinear dynamics, multi-level interactions, and emergent collective behaviors. Traditional analyses that focus solely on pairwise interactions often oversimplify these systems, neglecting the…

Symbolic Computation · Computer Science 2025-01-08 Laouen Belloli , Pedro Mediano , Rodrigo Cofré , Diego Fernandez Slezak , Rubén Herzog

This paper introduces a novel formulation of the clustering problem, namely the Minimum Sum-of-Squares Clustering of Infinitely Tall Data (MSSC-ITD), and presents HPClust, an innovative set of hybrid parallel approaches for its effective…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-06-26 Ravil Mussabayev , Rustam Mussabayev

In this work, we define and solve the Fair Top-k Ranking problem, in which we want to determine a subset of k candidates from a large pool of n >> k candidates, maximizing utility (i.e., select the "best" candidates) subject to group…

Computers and Society · Computer Science 2018-07-03 Meike Zehlike , Francesco Bonchi , Carlos Castillo , Sara Hajian , Mohamed Megahed , Ricardo Baeza-Yates

Threshold selection is a fundamental problem in any threshold-based extreme value analysis. While models are asymptotically motivated, selecting an appropriate threshold for finite samples is difficult and highly subjective through standard…

Methodology · Statistics 2024-10-30 Conor Murphy , Jonathan A. Tawn , Zak Varty

Human-Object Interaction (HOI) detection is a challenging computer vision task that requires visual models to address the complex interactive relationship between humans and objects and predict HOI triplets. Despite the challenges posed by…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Yichao Cao , Qingfei Tang , Feng Yang , Xiu Su , Shan You , Xiaobo Lu , Chang Xu

A high degree of topical diversity is often considered to be an important characteristic of interesting text documents. A recent proposal for measuring topical diversity identifies three distributions for assessing the diversity of…

Computation and Language · Computer Science 2018-10-15 Hosein Azarbonyad , Mostafa Dehghani , Tom Kenter , Maarten Marx , Jaap Kamps , Maarten de Rijke

Effort Estimation has always been a challenging task for the Project managers. Many researchers have tried to help them by creating different types of models. This has been already proved that none is successful for all types of projects…

Software Engineering · Computer Science 2013-10-22 Sumeet Kaur Sehra , Dr. Yadwinder Singh Brar , Dr. Navdeep Kaur

Cutting planes (cuts) play an important role in solving mixed-integer linear programs (MILPs), which formulate many important real-world applications. Cut selection heavily depends on (P1) which cuts to prefer and (P2) how many cuts to…

Artificial Intelligence · Computer Science 2024-04-22 Jie Wang , Zhihai Wang , Xijun Li , Yufei Kuang , Zhihao Shi , Fangzhou Zhu , Mingxuan Yuan , Jia Zeng , Yongdong Zhang , Feng Wu

The quality of training data for knowledge discovery in databases (KDD) and data mining depends upon many factors, but handling missing values is considered to be a crucial factor in overall data quality. Today real world datasets contains…

Databases · Computer Science 2009-04-22 Shariq Bashir , Saad Razzaq , Umer Maqbool , Sonya Tahir , Abdul Rauf Baig

The widespread use of the internet has led to an overwhelming amount of data, which has resulted in the problem of information overload. Recommender systems have emerged as a solution to this problem by providing personalized…

Information Retrieval · Computer Science 2024-08-15 Hui Fang , Xu Feng , Lu Qin , Zhu Sun
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